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Merge pull request #1466 from xianyi/revert-1464-issue1461 

Revert "Add locks only for non-OPENMP multithreading"
This commit is contained in:
Martin Kroeker 2018-02-20 17:17:38 +01:00 committed by GitHub
parent 9e87e6f3d8 8866e393a2
commit e3a80e6aa8
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 40 deletions
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48
driver/others/memory.c
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@ -455,15 +455,11 @@ static void *alloc_mmap(void *address){
}
if (map_address != (void *)-1) {
#if defined(SMP) && !defined(USE_OPENMP)
LOCK_COMMAND(&alloc_lock);
#endif
release_info[release_pos].address = map_address;
release_info[release_pos].func = alloc_mmap_free;
release_pos ++;
#if defined(SMP) && !defined(USE_OPENMP)
UNLOCK_COMMAND(&alloc_lock);
#endif
}
#ifdef OS_LINUX
@ -605,18 +601,14 @@ static void *alloc_mmap(void *address){
#if defined(OS_LINUX) && !defined(NO_WARMUP)
}
#endif
LOCK_COMMAND(&alloc_lock);
if (map_address != (void *)-1) {
#if defined(SMP) && !defined(USE_OPENMP)
LOCK_COMMAND(&alloc_lock);
#endif
release_info[release_pos].address = map_address;
release_info[release_pos].func = alloc_mmap_free;
release_pos ++;
#if defined(SMP) && !defined(USE_OPENMP)
UNLOCK_COMMAND(&alloc_lock);
#endif
}
UNLOCK_COMMAND(&alloc_lock);
return map_address;
}
@ -1015,10 +1007,7 @@ void *blas_memory_alloc(int procpos){
NULL,
};
void *(**func)(void *address);
#if defined(SMP) && !defined(USE_OPENMP)
LOCK_COMMAND(&alloc_lock);
#endif
if (!memory_initialized) {
@ -1052,9 +1041,7 @@ void *blas_memory_alloc(int procpos){
memory_initialized = 1;
}
#if defined(SMP) && !defined(USE_OPENMP)
UNLOCK_COMMAND(&alloc_lock);
#endif
#ifdef DEBUG
printf("Alloc Start ...\n");
@ -1069,15 +1056,12 @@ void *blas_memory_alloc(int procpos){
do {
if (!memory[position].used && (memory[position].pos == mypos)) {
#if defined(SMP) && !defined(USE_OPENMP)
LOCK_COMMAND(&alloc_lock);
#endif
/* blas_lock(&memory[position].lock);*/
if (!memory[position].used) goto allocation;
#if defined(SMP) && !defined(USE_OPENMP)
UNLOCK_COMMAND(&alloc_lock);
#endif
/* blas_unlock(&memory[position].lock);*/
}
@ -1092,15 +1076,12 @@ void *blas_memory_alloc(int procpos){
do {
/* if (!memory[position].used) { */
#if defined(SMP) && !defined(USE_OPENMP)
LOCK_COMMAND(&alloc_lock);
#endif
/* blas_lock(&memory[position].lock);*/
if (!memory[position].used) goto allocation;
#if defined(SMP) && !defined(USE_OPENMP)
UNLOCK_COMMAND(&alloc_lock);
#endif
/* blas_unlock(&memory[position].lock);*/
/* } */
@ -1117,10 +1098,8 @@ void *blas_memory_alloc(int procpos){
#endif
memory[position].used = 1;
#if defined(SMP) && !defined(USE_OPENMP)
UNLOCK_COMMAND(&alloc_lock);
#endif
/* blas_unlock(&memory[position].lock);*/
if (!memory[position].addr) {
@ -1167,13 +1146,9 @@ void *blas_memory_alloc(int procpos){
} while ((BLASLONG)map_address == -1);
#if defined(SMP) && !defined(USE_OPENMP)
LOCK_COMMAND(&alloc_lock);
#endif
memory[position].addr = map_address;
#if defined(SMP) && !defined(USE_OPENMP)
UNLOCK_COMMAND(&alloc_lock);
#endif
#ifdef DEBUG
printf(" Mapping Succeeded. %p(%d)\n", (void *)memory[position].addr, position);
@ -1190,9 +1165,7 @@ void *blas_memory_alloc(int procpos){
if (memory_initialized == 1) {
#if defined(SMP) && !defined(USE_OPENMP)
LOCK_COMMAND(&alloc_lock);
#endif
if (memory_initialized == 1) {
@ -1201,9 +1174,8 @@ void *blas_memory_alloc(int procpos){
memory_initialized = 2;
}
#if defined(SMP) && !defined(USE_OPENMP)
UNLOCK_COMMAND(&alloc_lock);
#endif
}
#endif
@ -1230,9 +1202,8 @@ void blas_memory_free(void *free_area){
#endif
position = 0;
#if defined(SMP) && !defined(USE_OPENMP)
LOCK_COMMAND(&alloc_lock);
#endif
while ((position < NUM_BUFFERS) && (memory[position].addr != free_area))
position++;
@ -1246,9 +1217,7 @@ void blas_memory_free(void *free_area){
WMB;
memory[position].used = 0;
#if defined(SMP) && !defined(USE_OPENMP)
UNLOCK_COMMAND(&alloc_lock);
#endif
#ifdef DEBUG
printf("Unmap Succeeded.\n\n");
@ -1263,9 +1232,8 @@ void blas_memory_free(void *free_area){
for (position = 0; position < NUM_BUFFERS; position++)
printf("%4ld %p : %d\n", position, memory[position].addr, memory[position].used);
#endif
#if defined(SMP) && !defined(USE_OPENMP)
UNLOCK_COMMAND(&alloc_lock);
#endif
return;
}