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Merge pull request #5516 from OpenMathLib/revert-4741-Pthread_Scalability_Improvement

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Revert "Enhancing Core Utilization in BLAS Calls: A Scalable Architecture"
This commit is contained in:
Martin Kroeker
2025-10-23 08:04:17 -07:00
committed by GitHub
parent 43d0803949 b2b9abc20b
commit 677424ad55
1 changed files with 0 additions and 12 deletions
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12
driver/level3/level3_thread.c
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@@ -588,8 +588,6 @@ static int gemm_driver(blas_arg_t *args, BLASLONG *range_m, BLASLONG
InitializeCriticalSection((PCRITICAL_SECTION)&level3_lock);
#else
static pthread_mutex_t level3_lock = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t level3_wakeup = PTHREAD_COND_INITIALIZER;
volatile static BLASLONG CPU_AVAILABLE = MAX_CPU_NUMBER;
#endif
blas_arg_t newarg;
@@ -659,12 +657,6 @@ static int gemm_driver(blas_arg_t *args, BLASLONG *range_m, BLASLONG
EnterCriticalSection((PCRITICAL_SECTION)&level3_lock);
#else
pthread_mutex_lock(&level3_lock);
while(CPU_AVAILABLE < nthreads) {
pthread_cond_wait(&level3_wakeup, &level3_lock);
}
CPU_AVAILABLE -= nthreads;
WMB;
pthread_mutex_unlock(&level3_lock);
#endif
#ifdef USE_ALLOC_HEAP
@@ -816,10 +808,6 @@ static int gemm_driver(blas_arg_t *args, BLASLONG *range_m, BLASLONG
#elif defined(OS_WINDOWS)
LeaveCriticalSection((PCRITICAL_SECTION)&level3_lock);
#else
pthread_mutex_lock(&level3_lock);
CPU_AVAILABLE += nthreads;
WMB;
pthread_cond_signal(&level3_wakeup);
pthread_mutex_unlock(&level3_lock);
#endif