optimize thread lock on mips64

common_mips64.h

@@ -94,7 +94,7 @@ static inline unsigned int rpcc(void){
 #define RPCC_DEFINED
 
 #ifndef NO_AFFINITY
-#define WHEREAMI
+//#define WHEREAMI
 static inline int WhereAmI(void){
   int ret=0;
   __asm__ __volatile__(".set push \n"

driver/others/memory.c

@@ -2587,20 +2587,20 @@ void *blas_memory_alloc(int procpos){
 
   position = 0;
 
+  LOCK_COMMAND(&alloc_lock);
   do {
 /*    if (!memory[position].used) { */
-      LOCK_COMMAND(&alloc_lock);
 /*      blas_lock(&memory[position].lock);*/
 
       if (!memory[position].used) goto allocation;
       
-      UNLOCK_COMMAND(&alloc_lock);
 /*      blas_unlock(&memory[position].lock);*/
 /*    } */
 
     position ++;
 
   } while (position < NUM_BUFFERS);
+  UNLOCK_COMMAND(&alloc_lock);
 
   goto error;