[libc-commits] [libc] d99bb01 - [libc][NFC] Clean up test/src/math/differential_testing folder, renaming it to performance_testing. (#84646)

via libc-commits libc-commits at lists.llvm.org
Mon Mar 11 08:38:43 PDT 2024


Author: lntue
Date: 2024-03-11T11:38:39-04:00
New Revision: d99bb01422a984e50043588a6bfafd2c6ce0b7e7

URL: https://github.com/llvm/llvm-project/commit/d99bb01422a984e50043588a6bfafd2c6ce0b7e7
DIFF: https://github.com/llvm/llvm-project/commit/d99bb01422a984e50043588a6bfafd2c6ce0b7e7.diff

LOG: [libc][NFC] Clean up test/src/math/differential_testing folder, renaming it to performance_testing. (#84646)

Removing all the diff tests.

Added: 
    libc/test/src/math/performance_testing/BinaryOpSingleOutputPerf.h
    libc/test/src/math/performance_testing/CMakeLists.txt
    libc/test/src/math/performance_testing/SingleInputSingleOutputPerf.h
    libc/test/src/math/performance_testing/Timer.cpp
    libc/test/src/math/performance_testing/Timer.h
    libc/test/src/math/performance_testing/ceilf_perf.cpp
    libc/test/src/math/performance_testing/cosf_perf.cpp
    libc/test/src/math/performance_testing/exp2f_perf.cpp
    libc/test/src/math/performance_testing/expf_perf.cpp
    libc/test/src/math/performance_testing/expm1f_perf.cpp
    libc/test/src/math/performance_testing/fabsf_perf.cpp
    libc/test/src/math/performance_testing/floorf_perf.cpp
    libc/test/src/math/performance_testing/fmod_perf.cpp
    libc/test/src/math/performance_testing/fmodf_perf.cpp
    libc/test/src/math/performance_testing/hypot_perf.cpp
    libc/test/src/math/performance_testing/hypotf_perf.cpp
    libc/test/src/math/performance_testing/log10f_perf.cpp
    libc/test/src/math/performance_testing/log1pf_perf.cpp
    libc/test/src/math/performance_testing/log2f_perf.cpp
    libc/test/src/math/performance_testing/logbf_perf.cpp
    libc/test/src/math/performance_testing/logf_perf.cpp
    libc/test/src/math/performance_testing/nearbyintf_perf.cpp
    libc/test/src/math/performance_testing/rintf_perf.cpp
    libc/test/src/math/performance_testing/roundf_perf.cpp
    libc/test/src/math/performance_testing/sinf_perf.cpp
    libc/test/src/math/performance_testing/sqrtf_perf.cpp
    libc/test/src/math/performance_testing/truncf_perf.cpp

Modified: 
    libc/docs/math/index.rst
    libc/src/math/docs/add_math_function.md
    libc/test/src/math/CMakeLists.txt

Removed: 
    libc/test/src/math/differential_testing/BinaryOpSingleOutputDiff.h
    libc/test/src/math/differential_testing/CMakeLists.txt
    libc/test/src/math/differential_testing/SingleInputSingleOutputDiff.h
    libc/test/src/math/differential_testing/Timer.cpp
    libc/test/src/math/differential_testing/Timer.h
    libc/test/src/math/differential_testing/ceilf_diff.cpp
    libc/test/src/math/differential_testing/ceilf_perf.cpp
    libc/test/src/math/differential_testing/cosf_diff.cpp
    libc/test/src/math/differential_testing/cosf_perf.cpp
    libc/test/src/math/differential_testing/exp2f_diff.cpp
    libc/test/src/math/differential_testing/exp2f_perf.cpp
    libc/test/src/math/differential_testing/expf_diff.cpp
    libc/test/src/math/differential_testing/expf_perf.cpp
    libc/test/src/math/differential_testing/expm1f_diff.cpp
    libc/test/src/math/differential_testing/expm1f_perf.cpp
    libc/test/src/math/differential_testing/fabsf_diff.cpp
    libc/test/src/math/differential_testing/fabsf_perf.cpp
    libc/test/src/math/differential_testing/floorf_diff.cpp
    libc/test/src/math/differential_testing/floorf_perf.cpp
    libc/test/src/math/differential_testing/fmod_diff.cpp
    libc/test/src/math/differential_testing/fmod_perf.cpp
    libc/test/src/math/differential_testing/fmodf_diff.cpp
    libc/test/src/math/differential_testing/fmodf_perf.cpp
    libc/test/src/math/differential_testing/hypot_diff.cpp
    libc/test/src/math/differential_testing/hypot_perf.cpp
    libc/test/src/math/differential_testing/hypotf_diff.cpp
    libc/test/src/math/differential_testing/hypotf_perf.cpp
    libc/test/src/math/differential_testing/log10f_perf.cpp
    libc/test/src/math/differential_testing/log1pf_perf.cpp
    libc/test/src/math/differential_testing/log2f_diff.cpp
    libc/test/src/math/differential_testing/log2f_perf.cpp
    libc/test/src/math/differential_testing/logbf_diff.cpp
    libc/test/src/math/differential_testing/logbf_perf.cpp
    libc/test/src/math/differential_testing/logf_diff.cpp
    libc/test/src/math/differential_testing/logf_perf.cpp
    libc/test/src/math/differential_testing/nearbyintf_diff.cpp
    libc/test/src/math/differential_testing/nearbyintf_perf.cpp
    libc/test/src/math/differential_testing/rintf_diff.cpp
    libc/test/src/math/differential_testing/rintf_perf.cpp
    libc/test/src/math/differential_testing/roundf_diff.cpp
    libc/test/src/math/differential_testing/roundf_perf.cpp
    libc/test/src/math/differential_testing/sinf_diff.cpp
    libc/test/src/math/differential_testing/sinf_perf.cpp
    libc/test/src/math/differential_testing/sqrtf_diff.cpp
    libc/test/src/math/differential_testing/sqrtf_perf.cpp
    libc/test/src/math/differential_testing/truncf_diff.cpp
    libc/test/src/math/differential_testing/truncf_perf.cpp


################################################################################
diff  --git a/libc/docs/math/index.rst b/libc/docs/math/index.rst
index 7f2a1b2f3e2824..b22ed5127c179e 100644
--- a/libc/docs/math/index.rst
+++ b/libc/docs/math/index.rst
@@ -567,13 +567,13 @@ Legends:
 Performance
 ===========
 
-* Simple performance testings are located at: `libc/test/src/math/
diff erential_testing <https://github.com/llvm/llvm-project/tree/main/libc/test/src/math/
diff erential_testing>`_.
+* Simple performance testings are located at: `libc/test/src/math/performance_testing <https://github.com/llvm/llvm-project/tree/main/libc/test/src/math/performance_testing>`_.
 
 * We also use the *perf* tool from the `CORE-MATH <https://core-math.gitlabpages.inria.fr/>`_
   project: `link <https://gitlab.inria.fr/core-math/core-math/-/tree/master>`_.
   The performance results from the CORE-MATH's perf tool are reported in the
   table below, using the system library as reference (such as the `GNU C library <https://www.gnu.org/software/libc/>`_
-  on Linux). Fmod performance results obtained with "
diff erential_testing".
+  on Linux). Fmod performance results obtained with "performance_testing".
 
 +--------------+-------------------------------+-------------------------------+-------------------------------------+----------------------------------------------------------------------+
 | <Func>       | Reciprocal throughput (clk)   | Latency (clk)                 | Testing ranges                      | Testing configuration                                                |

diff  --git a/libc/src/math/docs/add_math_function.md b/libc/src/math/docs/add_math_function.md
index 6f08bf037c578e..f8bc8a3bdd8b1d 100644
--- a/libc/src/math/docs/add_math_function.md
+++ b/libc/src/math/docs/add_math_function.md
@@ -129,11 +129,11 @@ implementation (which is very often glibc).
 
 - Add a performance test to:
 ```
-  libc/test/src/math/
diff erential_testing/<func>_perf.cpp
+  libc/test/src/math/performance_testing/<func>_perf.cpp
 ```
 - Add the corresponding entry point to:
 ```
-  libc/test/src/math/
diff erential_testing/CMakeLists.txt
+  libc/test/src/math/performance_testing/CMakeLists.txt
 ```
 
 ## Build and Run
@@ -189,8 +189,8 @@ implementation (which is very often glibc).
 
 - Build and Run performance test:
 ```
-  $ ninja libc.test.src.math.
diff erential_testing.<func>_perf
-  $ projects/libc/test/src/math/
diff erential_testing/libc.test.src.math.
diff erential_testing.<func>_perf
+  $ ninja libc.test.src.math.performance_testing.<func>_perf
+  $ projects/libc/test/src/math/performance_testing/libc.test.src.math.performance_testing.<func>_perf
   $ cat <func>_perf.log
 ```
 

diff  --git a/libc/test/src/math/CMakeLists.txt b/libc/test/src/math/CMakeLists.txt
index ad7dfdb3dfd9ec..b8a4aafcd97aa2 100644
--- a/libc/test/src/math/CMakeLists.txt
+++ b/libc/test/src/math/CMakeLists.txt
@@ -1721,5 +1721,5 @@ add_subdirectory(smoke)
 
 if(NOT LLVM_LIBC_FULL_BUILD)
   add_subdirectory(exhaustive)
-  add_subdirectory(
diff erential_testing)
+  add_subdirectory(performance_testing)
 endif()

diff  --git a/libc/test/src/math/
diff erential_testing/ceilf_
diff .cpp b/libc/test/src/math/
diff erential_testing/ceilf_
diff .cpp
deleted file mode 100644
index 7c0bb1e95a03fd..00000000000000
--- a/libc/test/src/math/
diff erential_testing/ceilf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for ceilf----------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/ceilf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::ceilf, ::ceilf,
-                                "ceilf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/cosf_
diff .cpp b/libc/test/src/math/
diff erential_testing/cosf_
diff .cpp
deleted file mode 100644
index ee3102384a8e6b..00000000000000
--- a/libc/test/src/math/
diff erential_testing/cosf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for cosf ----------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/cosf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::cosf, ::cosf,
-                                "cosf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/exp2f_
diff .cpp b/libc/test/src/math/
diff erential_testing/exp2f_
diff .cpp
deleted file mode 100644
index 545c6de320fc7c..00000000000000
--- a/libc/test/src/math/
diff erential_testing/exp2f_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for exp2f----------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/exp2f.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::exp2f, ::exp2f,
-                                "exp2f_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/expf_
diff .cpp b/libc/test/src/math/
diff erential_testing/expf_
diff .cpp
deleted file mode 100644
index 7c2e90744bc915..00000000000000
--- a/libc/test/src/math/
diff erential_testing/expf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for expf ----------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/expf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::expf, ::expf,
-                                "expf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/expm1f_
diff .cpp b/libc/test/src/math/
diff erential_testing/expm1f_
diff .cpp
deleted file mode 100644
index 3cbd8a99690fb4..00000000000000
--- a/libc/test/src/math/
diff erential_testing/expm1f_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for expm1f --------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/expm1f.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::expm1f, ::expm1f,
-                                "expm1f_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/fabsf_
diff .cpp b/libc/test/src/math/
diff erential_testing/fabsf_
diff .cpp
deleted file mode 100644
index 9bf9eff888fb51..00000000000000
--- a/libc/test/src/math/
diff erential_testing/fabsf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for fabsf----------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/fabsf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::fabsf, ::fabsf,
-                                "fabsf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/floorf_
diff .cpp b/libc/test/src/math/
diff erential_testing/floorf_
diff .cpp
deleted file mode 100644
index 6d72927b5010c5..00000000000000
--- a/libc/test/src/math/
diff erential_testing/floorf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for floorf---------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/floorf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::floorf, ::floorf,
-                                "floorf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/fmod_
diff .cpp b/libc/test/src/math/
diff erential_testing/fmod_
diff .cpp
deleted file mode 100644
index 026e529c6cae2a..00000000000000
--- a/libc/test/src/math/
diff erential_testing/fmod_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for fmod ----------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "BinaryOpSingleOutputDiff.h"
-
-#include "src/math/fmod.h"
-
-#include <math.h>
-
-BINARY_OP_SINGLE_OUTPUT_DIFF(double, LIBC_NAMESPACE::fmod, ::fmod,
-                             "fmod_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/fmodf_
diff .cpp b/libc/test/src/math/
diff erential_testing/fmodf_
diff .cpp
deleted file mode 100644
index 7029b1ee42cd0e..00000000000000
--- a/libc/test/src/math/
diff erential_testing/fmodf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for fmodf ---------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "BinaryOpSingleOutputDiff.h"
-
-#include "src/math/fmodf.h"
-
-#include <math.h>
-
-BINARY_OP_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::fmodf, ::fmodf,
-                             "fmodf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/hypot_
diff .cpp b/libc/test/src/math/
diff erential_testing/hypot_
diff .cpp
deleted file mode 100644
index c61e589bdb2dff..00000000000000
--- a/libc/test/src/math/
diff erential_testing/hypot_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for hypot ---------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "BinaryOpSingleOutputDiff.h"
-
-#include "src/math/hypot.h"
-
-#include <math.h>
-
-BINARY_OP_SINGLE_OUTPUT_DIFF(double, LIBC_NAMESPACE::hypot, ::hypot,
-                             "hypot_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/hypotf_
diff .cpp b/libc/test/src/math/
diff erential_testing/hypotf_
diff .cpp
deleted file mode 100644
index d1c70fc2b6edbd..00000000000000
--- a/libc/test/src/math/
diff erential_testing/hypotf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for hypotf --------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "BinaryOpSingleOutputDiff.h"
-
-#include "src/math/hypotf.h"
-
-#include <math.h>
-
-BINARY_OP_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::hypotf, ::hypotf,
-                             "hypotf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/log2f_
diff .cpp b/libc/test/src/math/
diff erential_testing/log2f_
diff .cpp
deleted file mode 100644
index aef431dce48701..00000000000000
--- a/libc/test/src/math/
diff erential_testing/log2f_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for log2f ---------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/log2f.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::log2f, ::log2f,
-                                "log2f_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/logbf_
diff .cpp b/libc/test/src/math/
diff erential_testing/logbf_
diff .cpp
deleted file mode 100644
index 37441eb40a4dfa..00000000000000
--- a/libc/test/src/math/
diff erential_testing/logbf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for logbf----------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/logbf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::logbf, ::logbf,
-                                "logbf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/logf_
diff .cpp b/libc/test/src/math/
diff erential_testing/logf_
diff .cpp
deleted file mode 100644
index 4ed1307f712081..00000000000000
--- a/libc/test/src/math/
diff erential_testing/logf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for logf ----------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/logf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::logf, ::logf,
-                                "logf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/nearbyintf_
diff .cpp b/libc/test/src/math/
diff erential_testing/nearbyintf_
diff .cpp
deleted file mode 100644
index 14200116883db4..00000000000000
--- a/libc/test/src/math/
diff erential_testing/nearbyintf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for nearbyintf-----------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/nearbyintf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::nearbyintf, ::nearbyintf,
-                                "nearbyintf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/rintf_
diff .cpp b/libc/test/src/math/
diff erential_testing/rintf_
diff .cpp
deleted file mode 100644
index e60f66085e5d70..00000000000000
--- a/libc/test/src/math/
diff erential_testing/rintf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for rintf----------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/rintf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::rintf, ::rintf,
-                                "rintf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/roundf_
diff .cpp b/libc/test/src/math/
diff erential_testing/roundf_
diff .cpp
deleted file mode 100644
index e1401a01af3574..00000000000000
--- a/libc/test/src/math/
diff erential_testing/roundf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for roundf---------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/roundf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::roundf, ::roundf,
-                                "roundf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/sinf_
diff .cpp b/libc/test/src/math/
diff erential_testing/sinf_
diff .cpp
deleted file mode 100644
index cb4557e6796b55..00000000000000
--- a/libc/test/src/math/
diff erential_testing/sinf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for sinf ----------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/sinf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::sinf, ::sinf,
-                                "sinf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/sqrtf_
diff .cpp b/libc/test/src/math/
diff erential_testing/sqrtf_
diff .cpp
deleted file mode 100644
index 22ddeaac9caf99..00000000000000
--- a/libc/test/src/math/
diff erential_testing/sqrtf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for sqrtf----------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/sqrtf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::sqrtf, ::sqrtf,
-                                "sqrtf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/truncf_
diff .cpp b/libc/test/src/math/
diff erential_testing/truncf_
diff .cpp
deleted file mode 100644
index 7f6ac4e6a92694..00000000000000
--- a/libc/test/src/math/
diff erential_testing/truncf_
diff .cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- Differential test for truncf---------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "SingleInputSingleOutputDiff.h"
-
-#include "src/math/truncf.h"
-
-#include <math.h>
-
-SINGLE_INPUT_SINGLE_OUTPUT_DIFF(float, LIBC_NAMESPACE::truncf, ::truncf,
-                                "truncf_
diff .log")

diff  --git a/libc/test/src/math/
diff erential_testing/BinaryOpSingleOutputDiff.h b/libc/test/src/math/performance_testing/BinaryOpSingleOutputPerf.h
similarity index 70%
rename from libc/test/src/math/
diff erential_testing/BinaryOpSingleOutputDiff.h
rename to libc/test/src/math/performance_testing/BinaryOpSingleOutputPerf.h
index 48572e78e5153e..68d37b46b77c73 100644
--- a/libc/test/src/math/
diff erential_testing/BinaryOpSingleOutputDiff.h
+++ b/libc/test/src/math/performance_testing/BinaryOpSingleOutputPerf.h
@@ -7,14 +7,14 @@
 //===----------------------------------------------------------------------===//
 
 #include "src/__support/FPUtil/FPBits.h"
-#include "test/src/math/
diff erential_testing/Timer.h"
+#include "test/src/math/performance_testing/Timer.h"
 
 #include <fstream>
 
 namespace LIBC_NAMESPACE {
 namespace testing {
 
-template <typename T> class BinaryOpSingleOutputDiff {
+template <typename T> class BinaryOpSingleOutputPerf {
   using FPBits = fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
   static constexpr StorageType UIntMax =
@@ -23,40 +23,6 @@ template <typename T> class BinaryOpSingleOutputDiff {
 public:
   typedef T Func(T, T);
 
-  static uint64_t run_
diff _in_range(Func myFunc, Func otherFunc,
-                                    StorageType startingBit,
-                                    StorageType endingBit, StorageType N,
-                                    std::ofstream &log) {
-    uint64_t result = 0;
-    if (endingBit < startingBit) {
-      return result;
-    }
-
-    StorageType step = (endingBit - startingBit) / N;
-    for (StorageType bitsX = startingBit, bitsY = endingBit;;
-         bitsX += step, bitsY -= step) {
-      T x = T(FPBits(bitsX));
-      T y = T(FPBits(bitsY));
-      FPBits myBits = FPBits(myFunc(x, y));
-      FPBits otherBits = FPBits(otherFunc(x, y));
-      if (myBits.uintval() != otherBits.uintval()) {
-        result++;
-        log << "       Input: " << bitsX << ", " << bitsY << " (" << x << ", "
-            << y << ")\n"
-            << "   My result: " << myBits.uintval() << " (" << myBits.get_val()
-            << ")\n"
-            << "Other result: " << otherBits.uintval() << " ("
-            << otherBits.get_val() << ")\n"
-            << '\n';
-      }
-
-      if (endingBit - bitsX < step) {
-        break;
-      }
-    }
-    return result;
-  }
-
   static void run_perf_in_range(Func myFunc, Func otherFunc,
                                 StorageType startingBit, StorageType endingBit,
                                 StorageType N, std::ofstream &log) {
@@ -69,8 +35,8 @@ template <typename T> class BinaryOpSingleOutputDiff {
       StorageType step = (endingBit - startingBit) / N;
       for (StorageType bitsX = startingBit, bitsY = endingBit;;
            bitsX += step, bitsY -= step) {
-        T x = T(FPBits(bitsX));
-        T y = T(FPBits(bitsY));
+        T x = FPBits(bitsX).get_val();
+        T y = FPBits(bitsY).get_val();
         result = func(x, y);
         if (endingBit - bitsX < step) {
           break;
@@ -110,12 +76,12 @@ template <typename T> class BinaryOpSingleOutputDiff {
     log << " Performance tests with inputs in denormal range:\n";
     run_perf_in_range(myFunc, otherFunc, /* startingBit= */ StorageType(0),
                       /* endingBit= */ FPBits::max_subnormal().uintval(),
-                      1'000'001, log);
+                      10'000'001, log);
     log << "\n Performance tests with inputs in normal range:\n";
     run_perf_in_range(myFunc, otherFunc,
                       /* startingBit= */ FPBits::min_normal().uintval(),
                       /* endingBit= */ FPBits::max_normal().uintval(),
-                      100'000'001, log);
+                      10'000'001, log);
     log << "\n Performance tests with inputs in normal range with exponents "
            "close to each other:\n";
     run_perf_in_range(
@@ -148,16 +114,9 @@ template <typename T> class BinaryOpSingleOutputDiff {
 } // namespace testing
 } // namespace LIBC_NAMESPACE
 
-#define BINARY_OP_SINGLE_OUTPUT_DIFF(T, myFunc, otherFunc, filename)           \
-  int main() {                                                                 \
-    LIBC_NAMESPACE::testing::BinaryOpSingleOutputDiff<T>::run_
diff (            \
-        &myFunc, &otherFunc, filename);                                        \
-    return 0;                                                                  \
-  }
-
 #define BINARY_OP_SINGLE_OUTPUT_PERF(T, myFunc, otherFunc, filename)           \
   int main() {                                                                 \
-    LIBC_NAMESPACE::testing::BinaryOpSingleOutputDiff<T>::run_perf(            \
+    LIBC_NAMESPACE::testing::BinaryOpSingleOutputPerf<T>::run_perf(            \
         &myFunc, &otherFunc, filename);                                        \
     return 0;                                                                  \
   }

diff  --git a/libc/test/src/math/
diff erential_testing/CMakeLists.txt b/libc/test/src/math/performance_testing/CMakeLists.txt
similarity index 56%
rename from libc/test/src/math/
diff erential_testing/CMakeLists.txt
rename to libc/test/src/math/performance_testing/CMakeLists.txt
index 878f81f1d573c8..d20c2eb303a7cc 100644
--- a/libc/test/src/math/
diff erential_testing/CMakeLists.txt
+++ b/libc/test/src/math/performance_testing/CMakeLists.txt
@@ -4,28 +4,28 @@ add_library(
   Timer.h
 )
 
-# A convenience target to build all 
diff erential tests.
-add_custom_target(libc-math-
diff erential-tests)
+# A convenience target to build all performance tests.
+add_custom_target(libc-math-performance-tests)
 
-function(add_
diff _binary target_name)
+function(add_perf_binary target_name)
   cmake_parse_arguments(
-    "DIFF"
+    "PERF"
     "" # No optional arguments
     "SUITE;CXX_STANDARD" # Single value arguments
     "SRCS;HDRS;DEPENDS;COMPILE_OPTIONS" # Multi-value arguments
     ${ARGN}
   )
-  if(NOT DIFF_SRCS)
-    message(FATAL_ERROR "'add_
diff _binary' target requires a SRCS list of .cpp "
+  if(NOT PERF_SRCS)
+    message(FATAL_ERROR "'add_perf_binary' target requires a SRCS list of .cpp "
                         "files.")
   endif()
-  if(NOT DIFF_DEPENDS)
-    message(FATAL_ERROR "'add_
diff _binary' target requires a DEPENDS list of "
+  if(NOT PERF_DEPENDS)
+    message(FATAL_ERROR "'add_perf_binary' target requires a DEPENDS list of "
                         "'add_entrypoint_object' targets.")
   endif()
 
   get_fq_target_name(${target_name} fq_target_name)
-  get_fq_deps_list(fq_deps_list ${DIFF_DEPENDS})
+  get_fq_deps_list(fq_deps_list ${PERF_DEPENDS})
   get_object_files_for_test(
       link_object_files skipped_entrypoints_list ${fq_deps_list})
   if(skipped_entrypoints_list)
@@ -40,18 +40,18 @@ function(add_
diff _binary target_name)
   add_executable(
     ${fq_target_name}
     EXCLUDE_FROM_ALL
-    ${DIFF_SRCS}
-    ${DIFF_HDRS}
+    ${PERF_SRCS}
+    ${PERF_HDRS}
   )
   target_include_directories(
     ${fq_target_name}
     PRIVATE
       ${LIBC_SOURCE_DIR}
   )
-  if(DIFF_COMPILE_OPTIONS)
+  if(PERF_COMPILE_OPTIONS)
     target_compile_options(
       ${fq_target_name}
-      PRIVATE ${DIFF_COMPILE_OPTIONS}
+      PRIVATE ${PERF_COMPILE_OPTIONS}
     )
   endif()
 
@@ -62,11 +62,11 @@ function(add_
diff _binary target_name)
   set_target_properties(${fq_target_name}
     PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
 
-  if(DIFF_CXX_STANDARD)
+  if(PERF_CXX_STANDARD)
     set_target_properties(
       ${fq_target_name}
       PROPERTIES
-        CXX_STANDARD ${DIFF_CXX_STANDARD}
+        CXX_STANDARD ${PERF_CXX_STANDARD}
     )
   endif()
 
@@ -75,31 +75,22 @@ function(add_
diff _binary target_name)
     libc.src.__support.FPUtil.fp_bits
     ${fq_deps_list}
   )
-  add_dependencies(libc-math-
diff erential-tests ${fq_target_name})
+  add_dependencies(libc-math-performance-tests ${fq_target_name})
 endfunction()
 
 add_header_library(
   single_input_single_output_
diff 
   HDRS
-    SingleInputSingleOutputDiff.h
+    SingleInputSingleOutputPerf.h
 )
 
 add_header_library(
   binary_op_single_output_
diff 
   HDRS
-    BinaryOpSingleOutputDiff.h
+    BinaryOpSingleOutputPerf.h
 )
 
-add_
diff _binary(
-  sinf_
diff 
-  SRCS
-    sinf_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.sinf
-)
-
-add_
diff _binary(
+add_perf_binary(
   sinf_perf
   SRCS
     sinf_perf.cpp
@@ -110,16 +101,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  cosf_
diff 
-  SRCS
-    cosf_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.cosf
-)
-
-add_
diff _binary(
+add_perf_binary(
   cosf_perf
   SRCS
     cosf_perf.cpp
@@ -130,16 +112,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  expm1f_
diff 
-  SRCS
-    expm1f_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.expm1f
-)
-
-add_
diff _binary(
+add_perf_binary(
   expm1f_perf
   SRCS
     expm1f_perf.cpp
@@ -150,16 +123,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  ceilf_
diff 
-  SRCS
-    ceilf_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.ceilf
-)
-
-add_
diff _binary(
+add_perf_binary(
   ceilf_perf
   SRCS
     ceilf_perf.cpp
@@ -170,16 +134,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  exp2f_
diff 
-  SRCS
-    exp2f_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.exp2f
-)
-
-add_
diff _binary(
+add_perf_binary(
   exp2f_perf
   SRCS
     exp2f_perf.cpp
@@ -190,16 +145,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  expf_
diff 
-  SRCS
-    expf_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.expf
-)
-
-add_
diff _binary(
+add_perf_binary(
   expf_perf
   SRCS
     expf_perf.cpp
@@ -210,16 +156,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  fabsf_
diff 
-  SRCS
-    fabsf_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.fabsf
-)
-
-add_
diff _binary(
+add_perf_binary(
   fabsf_perf
   SRCS
     fabsf_perf.cpp
@@ -230,16 +167,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  floorf_
diff 
-  SRCS
-    floorf_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.floorf
-)
-
-add_
diff _binary(
+add_perf_binary(
   floorf_perf
   SRCS
     floorf_perf.cpp
@@ -250,7 +178,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
+add_perf_binary(
   log10f_perf
   SRCS
     log10f_perf.cpp
@@ -261,7 +189,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
+add_perf_binary(
   log1pf_perf
   SRCS
     log1pf_perf.cpp
@@ -272,18 +200,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  log2f_
diff 
-  SRCS
-    log2f_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.log2f
-  COMPILE_OPTIONS
-    -fno-builtin
-)
-
-add_
diff _binary(
+add_perf_binary(
   log2f_perf
   SRCS
     log2f_perf.cpp
@@ -294,18 +211,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  logf_
diff 
-  SRCS
-    logf_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.logf
-  COMPILE_OPTIONS
-    -fno-builtin
-)
-
-add_
diff _binary(
+add_perf_binary(
   logf_perf
   SRCS
     logf_perf.cpp
@@ -316,16 +222,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  logbf_
diff 
-  SRCS
-    logbf_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.logbf
-)
-
-add_
diff _binary(
+add_perf_binary(
   logbf_perf
   SRCS
     logbf_perf.cpp
@@ -336,16 +233,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  nearbyintf_
diff 
-  SRCS
-    nearbyintf_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.nearbyintf
-)
-
-add_
diff _binary(
+add_perf_binary(
   nearbyintf_perf
   SRCS
     nearbyintf_perf.cpp
@@ -356,16 +244,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  rintf_
diff 
-  SRCS
-    rintf_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.rintf
-)
-
-add_
diff _binary(
+add_perf_binary(
   rintf_perf
   SRCS
     rintf_perf.cpp
@@ -376,16 +255,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  roundf_
diff 
-  SRCS
-    roundf_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.roundf
-)
-
-add_
diff _binary(
+add_perf_binary(
   roundf_perf
   SRCS
     roundf_perf.cpp
@@ -396,16 +266,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  sqrtf_
diff 
-  SRCS
-    sqrtf_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.sqrtf
-)
-
-add_
diff _binary(
+add_perf_binary(
   sqrtf_perf
   SRCS
     sqrtf_perf.cpp
@@ -416,16 +277,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  truncf_
diff 
-  SRCS
-    truncf_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.truncf
-)
-
-add_
diff _binary(
+add_perf_binary(
   truncf_perf
   SRCS
     truncf_perf.cpp
@@ -436,18 +288,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  hypotf_
diff 
-  SRCS
-    hypotf_
diff .cpp
-  DEPENDS
-    .binary_op_single_output_
diff 
-    libc.src.math.hypotf
-  COMPILE_OPTIONS
-    -fno-builtin
-)
-
-add_
diff _binary(
+add_perf_binary(
   hypotf_perf
   SRCS
     hypotf_perf.cpp
@@ -458,18 +299,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  hypot_
diff 
-  SRCS
-    hypot_
diff .cpp
-  DEPENDS
-    .binary_op_single_output_
diff 
-    libc.src.math.hypot
-  COMPILE_OPTIONS
-    -fno-builtin
-)
-
-add_
diff _binary(
+add_perf_binary(
   hypot_perf
   SRCS
     hypot_perf.cpp
@@ -480,16 +310,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  fmodf_
diff 
-  SRCS
-    fmodf_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.fmodf
-)
-
-add_
diff _binary(
+add_perf_binary(
   fmodf_perf
   SRCS
     fmodf_perf.cpp
@@ -500,16 +321,7 @@ add_
diff _binary(
     -fno-builtin
 )
 
-add_
diff _binary(
-  fmod_
diff 
-  SRCS
-    fmod_
diff .cpp
-  DEPENDS
-    .single_input_single_output_
diff 
-    libc.src.math.fmod
-)
-
-add_
diff _binary(
+add_perf_binary(
   fmod_perf
   SRCS
     fmod_perf.cpp

diff  --git a/libc/test/src/math/
diff erential_testing/SingleInputSingleOutputDiff.h b/libc/test/src/math/performance_testing/SingleInputSingleOutputPerf.h
similarity index 64%
rename from libc/test/src/math/
diff erential_testing/SingleInputSingleOutputDiff.h
rename to libc/test/src/math/performance_testing/SingleInputSingleOutputPerf.h
index 5e8310e889dc67..b5b38313a69ca9 100644
--- a/libc/test/src/math/
diff erential_testing/SingleInputSingleOutputDiff.h
+++ b/libc/test/src/math/performance_testing/SingleInputSingleOutputPerf.h
@@ -7,14 +7,14 @@
 //===----------------------------------------------------------------------===//
 
 #include "src/__support/FPUtil/FPBits.h"
-#include "test/src/math/
diff erential_testing/Timer.h"
+#include "test/src/math/performance_testing/Timer.h"
 
 #include <fstream>
 
 namespace LIBC_NAMESPACE {
 namespace testing {
 
-template <typename T> class SingleInputSingleOutputDiff {
+template <typename T> class SingleInputSingleOutputPerf {
   using FPBits = fputil::FPBits<T>;
   using StorageType = typename FPBits::StorageType;
   static constexpr StorageType UIntMax =
@@ -23,40 +23,18 @@ template <typename T> class SingleInputSingleOutputDiff {
 public:
   typedef T Func(T);
 
-  static void runDiff(Func myFunc, Func otherFunc, const char *logFile) {
-    StorageType 
diff Count = 0;
-    std::ofstream log(logFile);
-    log << "Starting 
diff  for values from 0 to " << UIntMax << '\n'
-        << "Only 
diff ering results will be logged.\n\n";
-    for (StorageType bits = 0;; ++bits) {
-      T x = T(FPBits(bits));
-      T myResult = myFunc(x);
-      T otherResult = otherFunc(x);
-      StorageType myBits = FPBits(myResult).uintval();
-      StorageType otherBits = FPBits(otherResult).uintval();
-      if (myBits != otherBits) {
-        ++
diff Count;
-        log << "       Input: " << bits << " (" << x << ")\n"
-            << "   My result: " << myBits << " (" << myResult << ")\n"
-            << "Other result: " << otherBits << " (" << otherResult << ")\n"
-            << '\n';
-      }
-      if (bits == UIntMax)
-        break;
-    }
-    log << "Total number of 
diff ering results: " << 
diff Count << '\n';
-  }
-
   static void runPerfInRange(Func myFunc, Func otherFunc,
                              StorageType startingBit, StorageType endingBit,
                              std::ofstream &log) {
     auto runner = [=](Func func) {
+      constexpr StorageType N = 10'010'001;
+      StorageType step = (endingBit - startingBit) / N;
+      if (step == 0)
+        step = 1;
       volatile T result;
-      for (StorageType bits = startingBit;; ++bits) {
-        T x = T(FPBits(bits));
+      for (StorageType bits = startingBit; bits < endingBit; bits += step) {
+        T x = FPBits(bits).get_val();
         result = func(x);
-        if (bits == endingBit)
-          break;
       }
     };
 
@@ -104,16 +82,9 @@ template <typename T> class SingleInputSingleOutputDiff {
 } // namespace testing
 } // namespace LIBC_NAMESPACE
 
-#define SINGLE_INPUT_SINGLE_OUTPUT_DIFF(T, myFunc, otherFunc, filename)        \
-  int main() {                                                                 \
-    LIBC_NAMESPACE::testing::SingleInputSingleOutputDiff<T>::runDiff(          \
-        &myFunc, &otherFunc, filename);                                        \
-    return 0;                                                                  \
-  }
-
 #define SINGLE_INPUT_SINGLE_OUTPUT_PERF(T, myFunc, otherFunc, filename)        \
   int main() {                                                                 \
-    LIBC_NAMESPACE::testing::SingleInputSingleOutputDiff<T>::runPerf(          \
+    LIBC_NAMESPACE::testing::SingleInputSingleOutputPerf<T>::runPerf(          \
         &myFunc, &otherFunc, filename);                                        \
     return 0;                                                                  \
   }

diff  --git a/libc/test/src/math/
diff erential_testing/Timer.cpp b/libc/test/src/math/performance_testing/Timer.cpp
similarity index 100%
rename from libc/test/src/math/
diff erential_testing/Timer.cpp
rename to libc/test/src/math/performance_testing/Timer.cpp

diff  --git a/libc/test/src/math/
diff erential_testing/Timer.h b/libc/test/src/math/performance_testing/Timer.h
similarity index 77%
rename from libc/test/src/math/
diff erential_testing/Timer.h
rename to libc/test/src/math/performance_testing/Timer.h
index 0d9518c37d9e0f..2327ede260ab9d 100644
--- a/libc/test/src/math/
diff erential_testing/Timer.h
+++ b/libc/test/src/math/performance_testing/Timer.h
@@ -6,8 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_LIBC_TEST_SRC_MATH_DIFFERENTIAL_TESTING_TIMER_H
-#define LLVM_LIBC_TEST_SRC_MATH_DIFFERENTIAL_TESTING_TIMER_H
+#ifndef LLVM_LIBC_TEST_SRC_MATH_PERFORMACE_TESTING_TIMER_H
+#define LLVM_LIBC_TEST_SRC_MATH_PERFORMACE_TESTING_TIMER_H
 
 #include <stdint.h>
 
@@ -30,4 +30,4 @@ class Timer {
 } // namespace testing
 } // namespace LIBC_NAMESPACE
 
-#endif // LLVM_LIBC_TEST_SRC_MATH_DIFFERENTIAL_TESTING_TIMER_H
+#endif // LLVM_LIBC_TEST_SRC_MATH_PERFORMANCE_TESTING_TIMER_H

diff  --git a/libc/test/src/math/
diff erential_testing/ceilf_perf.cpp b/libc/test/src/math/performance_testing/ceilf_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/ceilf_perf.cpp
rename to libc/test/src/math/performance_testing/ceilf_perf.cpp
index c304231e0678de..04e96f6fb2dccc 100644
--- a/libc/test/src/math/
diff erential_testing/ceilf_perf.cpp
+++ b/libc/test/src/math/performance_testing/ceilf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/ceilf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/cosf_perf.cpp b/libc/test/src/math/performance_testing/cosf_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/cosf_perf.cpp
rename to libc/test/src/math/performance_testing/cosf_perf.cpp
index 981a94133b8040..1501b8bf254044 100644
--- a/libc/test/src/math/
diff erential_testing/cosf_perf.cpp
+++ b/libc/test/src/math/performance_testing/cosf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/cosf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/exp2f_perf.cpp b/libc/test/src/math/performance_testing/exp2f_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/exp2f_perf.cpp
rename to libc/test/src/math/performance_testing/exp2f_perf.cpp
index 4aae5220e6a516..19a70ac6569aa4 100644
--- a/libc/test/src/math/
diff erential_testing/exp2f_perf.cpp
+++ b/libc/test/src/math/performance_testing/exp2f_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/exp2f.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/expf_perf.cpp b/libc/test/src/math/performance_testing/expf_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/expf_perf.cpp
rename to libc/test/src/math/performance_testing/expf_perf.cpp
index c34173b21b4f60..4b743514023d12 100644
--- a/libc/test/src/math/
diff erential_testing/expf_perf.cpp
+++ b/libc/test/src/math/performance_testing/expf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/expf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/expm1f_perf.cpp b/libc/test/src/math/performance_testing/expm1f_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/expm1f_perf.cpp
rename to libc/test/src/math/performance_testing/expm1f_perf.cpp
index 3c25ef81d4808c..128ab351d86db1 100644
--- a/libc/test/src/math/
diff erential_testing/expm1f_perf.cpp
+++ b/libc/test/src/math/performance_testing/expm1f_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/expm1f.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/fabsf_perf.cpp b/libc/test/src/math/performance_testing/fabsf_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/fabsf_perf.cpp
rename to libc/test/src/math/performance_testing/fabsf_perf.cpp
index f9f9cea72c6dae..b6c6add75d230c 100644
--- a/libc/test/src/math/
diff erential_testing/fabsf_perf.cpp
+++ b/libc/test/src/math/performance_testing/fabsf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/fabsf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/floorf_perf.cpp b/libc/test/src/math/performance_testing/floorf_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/floorf_perf.cpp
rename to libc/test/src/math/performance_testing/floorf_perf.cpp
index abd1cd7885ffd2..0f1087b3c8236b 100644
--- a/libc/test/src/math/
diff erential_testing/floorf_perf.cpp
+++ b/libc/test/src/math/performance_testing/floorf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/floorf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/fmod_perf.cpp b/libc/test/src/math/performance_testing/fmod_perf.cpp
similarity index 93%
rename from libc/test/src/math/
diff erential_testing/fmod_perf.cpp
rename to libc/test/src/math/performance_testing/fmod_perf.cpp
index 219ee7860a242b..fa9b4c6b41287b 100644
--- a/libc/test/src/math/
diff erential_testing/fmod_perf.cpp
+++ b/libc/test/src/math/performance_testing/fmod_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "BinaryOpSingleOutputDiff.h"
+#include "BinaryOpSingleOutputPerf.h"
 
 #include "src/math/fmod.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/fmodf_perf.cpp b/libc/test/src/math/performance_testing/fmodf_perf.cpp
similarity index 93%
rename from libc/test/src/math/
diff erential_testing/fmodf_perf.cpp
rename to libc/test/src/math/performance_testing/fmodf_perf.cpp
index c2927bb1ea9d9f..f13f02e2439da3 100644
--- a/libc/test/src/math/
diff erential_testing/fmodf_perf.cpp
+++ b/libc/test/src/math/performance_testing/fmodf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "BinaryOpSingleOutputDiff.h"
+#include "BinaryOpSingleOutputPerf.h"
 
 #include "src/math/fmodf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/hypot_perf.cpp b/libc/test/src/math/performance_testing/hypot_perf.cpp
similarity index 93%
rename from libc/test/src/math/
diff erential_testing/hypot_perf.cpp
rename to libc/test/src/math/performance_testing/hypot_perf.cpp
index 01a72e6fbc3d79..393697b7540330 100644
--- a/libc/test/src/math/
diff erential_testing/hypot_perf.cpp
+++ b/libc/test/src/math/performance_testing/hypot_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "BinaryOpSingleOutputDiff.h"
+#include "BinaryOpSingleOutputPerf.h"
 
 #include "src/math/hypot.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/hypotf_perf.cpp b/libc/test/src/math/performance_testing/hypotf_perf.cpp
similarity index 93%
rename from libc/test/src/math/
diff erential_testing/hypotf_perf.cpp
rename to libc/test/src/math/performance_testing/hypotf_perf.cpp
index ed57b186f889ba..f711729377dacf 100644
--- a/libc/test/src/math/
diff erential_testing/hypotf_perf.cpp
+++ b/libc/test/src/math/performance_testing/hypotf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "BinaryOpSingleOutputDiff.h"
+#include "BinaryOpSingleOutputPerf.h"
 
 #include "src/math/hypotf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/log10f_perf.cpp b/libc/test/src/math/performance_testing/log10f_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/log10f_perf.cpp
rename to libc/test/src/math/performance_testing/log10f_perf.cpp
index 60c1161a31cf96..32a31b93252855 100644
--- a/libc/test/src/math/
diff erential_testing/log10f_perf.cpp
+++ b/libc/test/src/math/performance_testing/log10f_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/log10f.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/log1pf_perf.cpp b/libc/test/src/math/performance_testing/log1pf_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/log1pf_perf.cpp
rename to libc/test/src/math/performance_testing/log1pf_perf.cpp
index 5cd523d82184cc..18c168423b87d1 100644
--- a/libc/test/src/math/
diff erential_testing/log1pf_perf.cpp
+++ b/libc/test/src/math/performance_testing/log1pf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/log1pf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/log2f_perf.cpp b/libc/test/src/math/performance_testing/log2f_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/log2f_perf.cpp
rename to libc/test/src/math/performance_testing/log2f_perf.cpp
index ee899394c421ed..c4c4dbf4d9f554 100644
--- a/libc/test/src/math/
diff erential_testing/log2f_perf.cpp
+++ b/libc/test/src/math/performance_testing/log2f_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/log2f.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/logbf_perf.cpp b/libc/test/src/math/performance_testing/logbf_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/logbf_perf.cpp
rename to libc/test/src/math/performance_testing/logbf_perf.cpp
index 89d5bd13f9316b..eefd64b8ae913f 100644
--- a/libc/test/src/math/
diff erential_testing/logbf_perf.cpp
+++ b/libc/test/src/math/performance_testing/logbf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/logbf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/logf_perf.cpp b/libc/test/src/math/performance_testing/logf_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/logf_perf.cpp
rename to libc/test/src/math/performance_testing/logf_perf.cpp
index f1b3f986bd40a3..53f4f50e09efe4 100644
--- a/libc/test/src/math/
diff erential_testing/logf_perf.cpp
+++ b/libc/test/src/math/performance_testing/logf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/logf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/nearbyintf_perf.cpp b/libc/test/src/math/performance_testing/nearbyintf_perf.cpp
similarity index 93%
rename from libc/test/src/math/
diff erential_testing/nearbyintf_perf.cpp
rename to libc/test/src/math/performance_testing/nearbyintf_perf.cpp
index 9c5736fb4ab048..ae708dd2132432 100644
--- a/libc/test/src/math/
diff erential_testing/nearbyintf_perf.cpp
+++ b/libc/test/src/math/performance_testing/nearbyintf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/nearbyintf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/rintf_perf.cpp b/libc/test/src/math/performance_testing/rintf_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/rintf_perf.cpp
rename to libc/test/src/math/performance_testing/rintf_perf.cpp
index 432e5da77f3789..6347ac9149af6e 100644
--- a/libc/test/src/math/
diff erential_testing/rintf_perf.cpp
+++ b/libc/test/src/math/performance_testing/rintf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/rintf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/roundf_perf.cpp b/libc/test/src/math/performance_testing/roundf_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/roundf_perf.cpp
rename to libc/test/src/math/performance_testing/roundf_perf.cpp
index 091c7b2b86800f..36becacba07cb5 100644
--- a/libc/test/src/math/
diff erential_testing/roundf_perf.cpp
+++ b/libc/test/src/math/performance_testing/roundf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/roundf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/sinf_perf.cpp b/libc/test/src/math/performance_testing/sinf_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/sinf_perf.cpp
rename to libc/test/src/math/performance_testing/sinf_perf.cpp
index 7247bca2853d88..43ba60e1ef76a4 100644
--- a/libc/test/src/math/
diff erential_testing/sinf_perf.cpp
+++ b/libc/test/src/math/performance_testing/sinf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/sinf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/sqrtf_perf.cpp b/libc/test/src/math/performance_testing/sqrtf_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/sqrtf_perf.cpp
rename to libc/test/src/math/performance_testing/sqrtf_perf.cpp
index 5ae586ba31267d..71325518533b60 100644
--- a/libc/test/src/math/
diff erential_testing/sqrtf_perf.cpp
+++ b/libc/test/src/math/performance_testing/sqrtf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/sqrtf.h"
 

diff  --git a/libc/test/src/math/
diff erential_testing/truncf_perf.cpp b/libc/test/src/math/performance_testing/truncf_perf.cpp
similarity index 92%
rename from libc/test/src/math/
diff erential_testing/truncf_perf.cpp
rename to libc/test/src/math/performance_testing/truncf_perf.cpp
index e07db1320fddd7..ff74c6b4eb64df 100644
--- a/libc/test/src/math/
diff erential_testing/truncf_perf.cpp
+++ b/libc/test/src/math/performance_testing/truncf_perf.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SingleInputSingleOutputDiff.h"
+#include "SingleInputSingleOutputPerf.h"
 
 #include "src/math/truncf.h"
 


        


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