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Merge pull request #2040 from martin-frbg/locks2002 

Restore locking optimizations for OpenMP case
This commit is contained in:
Martin Kroeker 2019-03-04 15:07:14 +01:00 committed by GitHub
parent edb8143141 af480b02a4
commit 6c83b878f6
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 10 deletions
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27
driver/others/memory.c
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@ -2694,21 +2694,26 @@ void *blas_memory_alloc(int procpos){
position = 0;
#if defined(SMP) && !defined(USE_OPENMP)
LOCK_COMMAND(&alloc_lock);
#endif
do {
/* if (!memory[position].used) { */
/* blas_lock(&memory[position].lock);*/
#if defined(USE_OPENMP)
if (!memory[position].used) {
blas_lock(&memory[position].lock);
#endif
if (!memory[position].used) goto allocation;
/* blas_unlock(&memory[position].lock);*/
/* } */
#if defined(USE_OPENMP)
blas_unlock(&memory[position].lock);
}
#endif
position ++;
} while (position < NUM_BUFFERS);
UNLOCK_COMMAND(&alloc_lock);
#if defined(SMP) && !defined(USE_OPENMP)
UNLOCK_COMMAND(&alloc_lock);
#endif
goto error;
allocation :
@ -2718,9 +2723,11 @@ void *blas_memory_alloc(int procpos){
#endif
memory[position].used = 1;
#if defined(SMP) && !defined(USE_OPENMP)
UNLOCK_COMMAND(&alloc_lock);
#else
blas_unlock(&memory[position].lock);
#endif
if (!memory[position].addr) {
do {
#ifdef DEBUG