[test-suite] r338168 - [test-suite] Add hotspot kernel from Rodinia Benchmark
Brian Homerding via llvm-commits
llvm-commits at lists.llvm.org
Fri Jul 27 14:40:17 PDT 2018
Author: homerdin
Date: Fri Jul 27 14:40:17 2018
New Revision: 338168
URL: http://llvm.org/viewvc/llvm-project?rev=338168&view=rev
Log:
[test-suite] Add hotspot kernel from Rodinia Benchmark
Adds hotspot kernel from the Rodinia benchmarks.
Reviewers: Meinersbur
Differential Revision: https://reviews.llvm.org/D49894
Added:
test-suite/trunk/MultiSource/Benchmarks/Rodinia/CMakeLists.txt
test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/
test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/CMakeLists.txt
test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/Makefile
test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspot.h
test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspot.reference_output
test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspotKernel.c
test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/main.c
Added: test-suite/trunk/MultiSource/Benchmarks/Rodinia/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/test-suite/trunk/MultiSource/Benchmarks/Rodinia/CMakeLists.txt?rev=338168&view=auto
==============================================================================
--- test-suite/trunk/MultiSource/Benchmarks/Rodinia/CMakeLists.txt (added)
+++ test-suite/trunk/MultiSource/Benchmarks/Rodinia/CMakeLists.txt Fri Jul 27 14:40:17 2018
@@ -0,0 +1 @@
+add_subdirectory(hotspot)
Added: test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/CMakeLists.txt?rev=338168&view=auto
==============================================================================
--- test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/CMakeLists.txt (added)
+++ test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/CMakeLists.txt Fri Jul 27 14:40:17 2018
@@ -0,0 +1,7 @@
+set(PROG hotspot)
+set(FP_ABSTOLERANCE 0.00001)
+list(APPEND CFLAGS -I${CMAKE_CURRENT_SOURCE_DIR}/../Common)
+set(Source hotspotKernel.c main.c ../Common/glibc_compat_rand.c)
+set(WORKDIR ${CMAKE_CURRENT_BINARY_DIR})
+
+llvm_multisource()
Added: test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/Makefile
URL: http://llvm.org/viewvc/llvm-project/test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/Makefile?rev=338168&view=auto
==============================================================================
--- test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/Makefile (added)
+++ test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/Makefile Fri Jul 27 14:40:17 2018
@@ -0,0 +1,8 @@
+LEVEL = ../../../..
+LIBS += -lm
+LDFLAGS += -lm
+PROG = hotspot
+
+FP_ABSTOLERANCE := 0.00001
+
+include ../../Makefile.multisrc
Added: test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspot.h
URL: http://llvm.org/viewvc/llvm-project/test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspot.h?rev=338168&view=auto
==============================================================================
--- test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspot.h (added)
+++ test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspot.h Fri Jul 27 14:40:17 2018
@@ -0,0 +1,23 @@
+#ifndef __HOTSPOT_H_
+#define __HOTSPOT_H_
+
+#define STR_SIZE 256
+
+/* maximum power density possible (say 300W for a 10mm x 10mm chip) */
+#define MAX_PD (3.0e6)
+/* required precision in degrees */
+#define PRECISION 0.001
+#define SPEC_HEAT_SI 1.75e6
+#define K_SI 100
+/* capacitance fitting factor */
+#define FACTOR_CHIP 0.5
+
+// Run Options
+#define grid_rows 512
+#define grid_cols 512
+#define num_iterations 200 // sim_time in original hotspot
+
+// seed for random number generator
+#define SEED 7
+
+#endif /* __HOTSPOT_H_ */
\ No newline at end of file
Added: test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspot.reference_output
URL: http://llvm.org/viewvc/llvm-project/test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspot.reference_output?rev=338168&view=auto
==============================================================================
--- test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspot.reference_output (added)
+++ test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspot.reference_output Fri Jul 27 14:40:17 2018
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+283.889
+283.887
+283.891
+283.889
+291.88
+291.879
+291.876
+291.879
+291.882
+299.622
+299.621
+299.618
+299.617
+299.62
+305.924
+305.919
+305.925
+305.921
+305.92
+309.554
+309.55
+309.55
+309.549
+309.553
+309.522
+309.519
+309.52
+309.523
+309.521
+309.52
+305.46
+305.461
+305.454
+305.46
+305.46
+297.81
+297.814
+297.808
+297.808
+297.809
+287.767
+287.777
+287.772
+287.772
+287.77
+277.037
+277.041
+277.039
+277.036
+277.037
+267.299
+267.304
+267.299
+267.298
+267.307
+259.789
+259.781
+259.788
+259.784
+259.789
+254.877
+254.877
+254.877
+254.876
+254.878
+252.063
+252.07
+252.064
+252.062
+252.07
+252.072
+250.189
+250.189
+250.188
+250.193
+250.191
+247.909
+247.917
+247.909
+247.911
+247.908
+244.276
+244.283
+244.28
+244.277
+244.281
+239.074
+239.07
+239.069
+239.069
+239.073
+232.755
+232.753
+232.75
+232.752
+232.756
+226.177
+226.175
+226.183
+226.176
+226.183
+220.176
+220.172
+220.174
+220.173
+220.172
+215.308
+215.31
+215.308
+215.305
+215.31
+215.302
+211.921
+211.922
+211.926
+211.923
+211.925
+210.269
+210.267
+210.264
+210.267
+210.258
+210.63
+210.636
+210.633
+210.634
+210.634
+213.353
+213.361
+213.355
+213.358
+213.355
+218.668
+218.66
+218.659
+218.66
+218.663
+226.562
+226.554
+226.558
+226.556
+226.557
+236.774
+236.776
+236.775
+236.778
+236.776
+248.75
+248.749
+248.748
+248.753
+248.753
+261.657
+261.657
+261.656
+261.649
+261.655
+261.655
+274.41
+274.413
+274.411
+274.408
+274.411
+285.826
+285.834
+285.828
+285.829
+285.835
+294.787
+294.792
+294.796
+294.789
+294.796
+300.513
+300.507
+300.509
+300.514
+300.506
+302.762
+302.762
+302.764
+302.766
+302.766
+301.939
+301.938
+301.938
+301.942
+301.942
+298.927
+298.924
+298.927
+298.924
+298.929
+294.848
+294.849
+294.849
+294.844
+294.843
+294.849
+290.799
+290.801
+290.796
+290.802
+290.793
+287.643
+287.648
+287.652
+287.643
+287.644
+285.946
+285.935
+285.947
+285.93
+285.945
+exit 0
Added: test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspotKernel.c
URL: http://llvm.org/viewvc/llvm-project/test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspotKernel.c?rev=338168&view=auto
==============================================================================
--- test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspotKernel.c (added)
+++ test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/hotspotKernel.c Fri Jul 27 14:40:17 2018
@@ -0,0 +1,101 @@
+#include "hotspot.h"
+
+void hotspotKernel(double result[grid_rows][grid_cols],
+ double temp[grid_rows][grid_cols],
+ double power[grid_rows][grid_cols], double Cap, double Rx,
+ double Ry, double Rz, double step, double ambTemp) {
+ for (int i = 0; i < num_iterations; i++) {
+ double delta;
+ int r, c;
+ for (r = 1; r < grid_rows - 1; r++) {
+ for (c = 1; c < grid_cols - 1; c++) {
+ delta = (step / Cap) *
+ (power[r][c] +
+ (temp[(r + 1)][c] + temp[(r - 1)][c] - 2.0 * temp[r][c]) / Ry +
+ (temp[r][c + 1] + temp[r][c - 1] - 2.0 * temp[r][c]) / Rx +
+ (ambTemp - temp[r][c]) / Rz);
+
+ /* Update Temperatures */
+ result[r][c] = temp[r][c] + delta;
+ }
+ }
+
+ /* Corner 1 */
+ delta = (step / Cap) *
+ (power[0][0] + (temp[0][1] - temp[0][0]) / Rx +
+ (temp[1][0] - temp[0][0]) / Ry + (ambTemp - temp[0][0]) / Rz);
+ result[0][0] = temp[0][0] + delta;
+
+ /* Corner 2 */
+ delta =
+ (step / Cap) * (power[0][grid_cols - 1] +
+ (temp[0][c - 1] - temp[0][grid_cols - 1]) / Rx +
+ (temp[1][grid_cols - 1] - temp[0][grid_cols - 1]) / Ry +
+ (ambTemp - temp[0][grid_cols - 1]) / Rz);
+ result[0][grid_cols - 1] = temp[0][grid_cols - 1] + delta;
+
+ /* Corner 3 */
+ delta =
+ (step / Cap) * (power[grid_rows - 1][grid_cols - 1] +
+ (temp[grid_rows - 1][grid_cols - 1 - 1] -
+ temp[grid_rows - 1][grid_cols - 1]) /
+ Rx +
+ (temp[(grid_rows - 2)][grid_cols - 1] -
+ temp[grid_rows - 1][grid_cols - 1]) /
+ Ry +
+ (ambTemp - temp[grid_rows - 1][grid_cols - 1]) / Rz);
+ result[grid_rows - 1][grid_cols - 1] =
+ temp[grid_rows - 1][grid_cols - 1] + delta;
+
+ /* Corner 4 */
+ delta = (step / Cap) *
+ (power[grid_rows - 1][0] +
+ (temp[grid_rows - 1][1] - temp[grid_rows - 1][0]) / Rx +
+ (temp[(grid_rows - 2)][0] - temp[grid_rows - 1][0]) / Ry +
+ (ambTemp - temp[grid_rows - 1][0]) / Rz);
+ result[grid_rows - 1][0] = temp[grid_rows - 1][0] + delta;
+
+ // Top and Bottom Edge
+ for (c = 1; c < grid_cols - 1; c++) {
+
+ delta = (step / Cap) *
+ (power[0][c] +
+ (temp[0][c + 1] + temp[0][c - 1] - 2.0 * temp[0][c]) / Rx +
+ (temp[1][c] - temp[0][c]) / Ry + (ambTemp - temp[0][c]) / Rz);
+ result[0][c] = temp[0][c] + delta;
+
+ delta = (step / Cap) *
+ (power[grid_rows - 1][c] +
+ (temp[grid_rows - 1][c + 1] + temp[grid_rows - 1][c - 1] -
+ 2.0 * temp[grid_rows - 1][c]) /
+ Rx +
+ (temp[(grid_rows - 2)][c] - temp[grid_rows - 1][c]) / Ry +
+ (ambTemp - temp[grid_rows - 1][c]) / Rz);
+ result[grid_rows - 1][c] = temp[grid_rows - 1][c] + delta;
+ }
+
+ // Left and right Edge
+ for (r = 1; r < grid_rows - 1; r++) {
+ delta = (step / Cap) *
+ (power[r][grid_cols - 1] +
+ (temp[(r + 1)][grid_cols - 1] + temp[(r - 1)][grid_cols - 1] -
+ 2.0 * temp[r][grid_cols - 1]) /
+ Ry +
+ (temp[r][grid_cols - 1 - 1] - temp[r][grid_cols - 1]) / Rx +
+ (ambTemp - temp[r][grid_cols - 1]) / Rz);
+ result[r][grid_cols - 1] = temp[r][grid_cols - 1] + delta;
+
+ delta = (step / Cap) *
+ (power[r][0] +
+ (temp[(r + 1)][0] + temp[(r - 1)][0] - 2.0 * temp[r][0]) / Ry +
+ (temp[r][1] - temp[r][0]) / Rx + (ambTemp - temp[r][0]) / Rz);
+ result[r][0] = temp[r][0] + delta;
+ }
+
+ for (r = 0; r < grid_rows; r++) {
+ for (c = 0; c < grid_cols; c++) {
+ temp[r][c] = result[r][c];
+ }
+ }
+ }
+}
Added: test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/main.c
URL: http://llvm.org/viewvc/llvm-project/test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/main.c?rev=338168&view=auto
==============================================================================
--- test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/main.c (added)
+++ test-suite/trunk/MultiSource/Benchmarks/Rodinia/hotspot/main.c Fri Jul 27 14:40:17 2018
@@ -0,0 +1,83 @@
+#include "hotspot.h"
+#include <glibc_compat_rand.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/* instead of printing all the values, we only print a part of array (every
+ 100th value) */
+#define PRINT_GAP 100
+
+/* chip parameters */
+double t_chip = 0.0005;
+double chip_height = 0.016;
+double chip_width = 0.016;
+double amb_temp = 80.0;
+
+void hotspotKernel(double result[grid_rows][grid_cols],
+ double temp[grid_rows][grid_cols],
+ double power[grid_rows][grid_cols], double Cap, double Rx,
+ double Ry, double Rz, double step, double ambTemp);
+
+/* Transient solver driver routine: simply converts the heat
+ * transfer differential equations to difference equations
+ * and solves the difference equations by iterating
+ */
+void compute_tran_temp(double result[grid_rows][grid_cols],
+ double temp[grid_rows][grid_cols],
+ double power[grid_rows][grid_cols]) {
+
+ double grid_height = chip_height / grid_rows;
+ double grid_width = chip_width / grid_cols;
+
+ double Cap = FACTOR_CHIP * SPEC_HEAT_SI * t_chip * grid_width * grid_height;
+ double Rx = grid_width / (2.0 * K_SI * t_chip * grid_height);
+ double Ry = grid_height / (2.0 * K_SI * t_chip * grid_width);
+ double Rz = t_chip / (K_SI * grid_height * grid_width);
+
+ double max_slope = MAX_PD / (FACTOR_CHIP * t_chip * SPEC_HEAT_SI);
+ double step = PRECISION / max_slope;
+
+ hotspotKernel(result, temp, power, Cap, Rx, Ry, Rz, step, amb_temp);
+}
+
+int main(int argc, char **argv) {
+
+ /* allocate memory for the temperature and power array */
+ double(*temp)[grid_rows][grid_cols] =
+ malloc(grid_rows * grid_cols * sizeof(double));
+ double(*power)[grid_rows][grid_cols] =
+ malloc(grid_rows * grid_cols * sizeof(double));
+ double(*result)[grid_rows][grid_cols] =
+ malloc(grid_rows * grid_cols * sizeof(double));
+
+ if (!temp || !power || !result)
+ fprintf(stderr, "Unable to allocate memory");
+
+ glibc_compat_srand(SEED);
+
+ /* read initial temperatures and input power */
+ for (int i = 0; i < grid_rows; i++) {
+ double x = ((glibc_compat_rand()) % 512);
+ double y = ((glibc_compat_rand()) % 128) * 1e-6;
+ for (int j = 0; j < grid_cols; j++) {
+ (*temp)[i][j] = x + ((glibc_compat_rand()) % 128) * 1e-3;
+ (*power)[i][j] = y;
+ (*result)[i][j] = 0.0;
+ }
+ }
+
+ compute_tran_temp(*result, *temp, *power);
+
+ /* output results */
+ for (int i = 0; i < grid_rows; i++) {
+ for (int j = 0; j < grid_cols; j++) {
+ if ((i * grid_cols + j) % PRINT_GAP == 0) {
+ fprintf(stdout, "%g\n", (*result)[i][j]);
+ }
+ }
+ }
+
+ free(temp);
+ free(power);
+ return 0;
+}
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