[Openmp-commits] [PATCH] D105955: [NFC][OpenMP][Offloading] Replaced explicit parallel level computation with function `__kmpc_parallel_level`

Shilei Tian via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Thu Jul 15 19:21:23 PDT 2021


This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG97c8f60bbaf0: [NFC][OpenMP][Offloading] Replaced explicit parallel level computation with… (authored by tianshilei1992).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D105955/new/

https://reviews.llvm.org/D105955

Files:
  openmp/libomptarget/deviceRTLs/common/src/libcall.cu
  openmp/libomptarget/deviceRTLs/common/src/parallel.cu
  openmp/libomptarget/deviceRTLs/common/src/support.cu
  openmp/libomptarget/deviceRTLs/interface.h


Index: openmp/libomptarget/deviceRTLs/interface.h
===================================================================
--- openmp/libomptarget/deviceRTLs/interface.h
+++ openmp/libomptarget/deviceRTLs/interface.h
@@ -222,7 +222,7 @@
                                     int32_t num_threads);
 EXTERN void __kmpc_serialized_parallel(kmp_Ident *loc, uint32_t global_tid);
 EXTERN void __kmpc_end_serialized_parallel(kmp_Ident *loc, uint32_t global_tid);
-EXTERN uint16_t __kmpc_parallel_level(kmp_Ident *loc, uint32_t global_tid);
+EXTERN uint16_t __kmpc_parallel_level();
 
 // proc bind
 EXTERN void __kmpc_push_proc_bind(kmp_Ident *loc, uint32_t global_tid,
Index: openmp/libomptarget/deviceRTLs/common/src/support.cu
===================================================================
--- openmp/libomptarget/deviceRTLs/common/src/support.cu
+++ openmp/libomptarget/deviceRTLs/common/src/support.cu
@@ -89,7 +89,7 @@
     return 0;
   // omp_thread_num
   int rc;
-  if ((parallelLevel[GetWarpId()] & (OMP_ACTIVE_PARALLEL_LEVEL - 1)) > 1) {
+  if (__kmpc_parallel_level() > 1) {
     rc = 0;
   } else if (__kmpc_is_spmd_exec_mode()) {
     rc = tid;
Index: openmp/libomptarget/deviceRTLs/common/src/parallel.cu
===================================================================
--- openmp/libomptarget/deviceRTLs/common/src/parallel.cu
+++ openmp/libomptarget/deviceRTLs/common/src/parallel.cu
@@ -238,9 +238,7 @@
   currTaskDescr->RestoreLoopData();
 }
 
-EXTERN uint16_t __kmpc_parallel_level(kmp_Ident *loc, uint32_t global_tid) {
-  PRINT0(LD_IO, "call to __kmpc_parallel_level\n");
-
+EXTERN uint16_t __kmpc_parallel_level() {
   return parallelLevel[GetWarpId()] & (OMP_ACTIVE_PARALLEL_LEVEL - 1);
 }
 
@@ -292,7 +290,7 @@
   // SPMD mode we already incremented the parallel level counter, account for
   // that.
   bool InParallelRegion =
-      (__kmpc_parallel_level(ident, global_tid) > __kmpc_is_spmd_exec_mode());
+      (__kmpc_parallel_level() > __kmpc_is_spmd_exec_mode());
   if (!if_expr || InParallelRegion) {
     __kmpc_serialized_parallel(ident, global_tid);
     __kmp_invoke_microtask(global_tid, 0, fn, args, nargs);
Index: openmp/libomptarget/deviceRTLs/common/src/libcall.cu
===================================================================
--- openmp/libomptarget/deviceRTLs/common/src/libcall.cu
+++ openmp/libomptarget/deviceRTLs/common/src/libcall.cu
@@ -129,7 +129,7 @@
 }
 
 EXTERN int omp_get_level(void) {
-  int level = parallelLevel[GetWarpId()] & (OMP_ACTIVE_PARALLEL_LEVEL - 1);
+  int level = __kmpc_parallel_level();
   PRINT(LD_IO, "call omp_get_level() returns %d\n", level);
   return level;
 }


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