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Add likely() hints for gcc

This commit is contained in:
Martin Kroeker 2021-08-29 13:54:51 +02:00 committed by GitHub
parent 2ba9a567aa
commit 7fd12a5e69
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 18 additions and 10 deletions
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28
driver/others/memory.c
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@ -73,6 +73,14 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "common.h" #include "common.h"
#ifndef likely
#ifdef __GNUC__
#define likely(x) __builtin_expect(!!(x), 1)
#else
#define likely(x) (x)
#endif
#endif
#if defined(USE_TLS) && defined(SMP) #if defined(USE_TLS) && defined(SMP)
#define COMPILE_TLS #define COMPILE_TLS
@ -2111,7 +2119,7 @@ static void *alloc_mmap(void *address){
#if (defined(SMP) || defined(USE_LOCKING)) && !defined(USE_OPENMP) #if (defined(SMP) || defined(USE_LOCKING)) && !defined(USE_OPENMP)
LOCK_COMMAND(&alloc_lock); LOCK_COMMAND(&alloc_lock);
#endif #endif
if (release_pos < NUM_BUFFERS) { if (likely(release_pos < NUM_BUFFERS)) {
release_info[release_pos].address = map_address; release_info[release_pos].address = map_address;
release_info[release_pos].func = alloc_mmap_free; release_info[release_pos].func = alloc_mmap_free;
} else { } else {
@ -2280,7 +2288,7 @@ static void *alloc_mmap(void *address){
#if (defined(SMP) || defined(USE_LOCKING)) && !defined(USE_OPENMP) #if (defined(SMP) || defined(USE_LOCKING)) && !defined(USE_OPENMP)
LOCK_COMMAND(&alloc_lock); LOCK_COMMAND(&alloc_lock);
#endif #endif
if (release_pos < NUM_BUFFERS) { if (likely(release_pos < NUM_BUFFERS)) {
release_info[release_pos].address = map_address; release_info[release_pos].address = map_address;
release_info[release_pos].func = alloc_mmap_free; release_info[release_pos].func = alloc_mmap_free;
} else { } else {
@ -2318,7 +2326,7 @@ static void *alloc_malloc(void *address){
if (map_address == (void *)NULL) map_address = (void *)-1; if (map_address == (void *)NULL) map_address = (void *)-1;
if (map_address != (void *)-1) { if (map_address != (void *)-1) {
if (release_pos < NUM_BUFFERS) { if (likely(release_pos < NUM_BUFFERS)) {
release_info[release_pos].address = map_address; release_info[release_pos].address = map_address;
release_info[release_pos].func = alloc_malloc_free; release_info[release_pos].func = alloc_malloc_free;
} else { } else {
@ -2357,7 +2365,7 @@ static void *alloc_qalloc(void *address){
if (map_address == (void *)NULL) map_address = (void *)-1; if (map_address == (void *)NULL) map_address = (void *)-1;
if (map_address != (void *)-1) { if (map_address != (void *)-1) {
if (release_pos < NUM_BUFFERS) { if (likely(release_pos < NUM_BUFFERS)) {
release_info[release_pos].address = map_address; release_info[release_pos].address = map_address;
release_info[release_pos].func = alloc_qalloc_free; release_info[release_pos].func = alloc_qalloc_free;
} else { } else {
@ -2391,7 +2399,7 @@ static void *alloc_windows(void *address){
if (map_address == (void *)NULL) map_address = (void *)-1; if (map_address == (void *)NULL) map_address = (void *)-1;
if (map_address != (void *)-1) { if (map_address != (void *)-1) {
if (release_pos < NUM_BUFFERS) { if (likely(release_pos < NUM_BUFFERS)) {
release_info[release_pos].address = map_address; release_info[release_pos].address = map_address;
release_info[release_pos].func = alloc_windows_free; release_info[release_pos].func = alloc_windows_free;
} else { } else {
@ -2440,7 +2448,7 @@ static void *alloc_devicedirver(void *address){
fd, 0); fd, 0);
if (map_address != (void *)-1) { if (map_address != (void *)-1) {
if (release_pos < NUM_BUFFERS) { if (likely(release_pos < NUM_BUFFERS)) {
release_info[release_pos].address = map_address; release_info[release_pos].address = map_address;
release_info[release_pos].attr = fd; release_info[release_pos].attr = fd;
release_info[release_pos].func = alloc_devicedirver_free; release_info[release_pos].func = alloc_devicedirver_free;
@ -2482,7 +2490,7 @@ static void *alloc_shm(void *address){
shmctl(shmid, IPC_RMID, 0); shmctl(shmid, IPC_RMID, 0);
if (release_pos < NUM_BUFFERS) { if (likely(release_pos < NUM_BUFFERS)) {
release_info[release_pos].address = map_address; release_info[release_pos].address = map_address;
release_info[release_pos].attr = shmid; release_info[release_pos].attr = shmid;
release_info[release_pos].func = alloc_shm_free; release_info[release_pos].func = alloc_shm_free;
@ -2594,7 +2602,7 @@ static void *alloc_hugetlb(void *address){
#endif #endif
if (map_address != (void *)-1){ if (map_address != (void *)-1){
if (release_pos < NUM_BUFFERS) { if (likely(release_pos < NUM_BUFFERS)) {
release_info[release_pos].address = map_address; release_info[release_pos].address = map_address;
release_info[release_pos].func = alloc_hugetlb_free; release_info[release_pos].func = alloc_hugetlb_free;
} else { } else {
@ -2647,7 +2655,7 @@ static void *alloc_hugetlbfile(void *address){
fd, 0); fd, 0);
if (map_address != (void *)-1) { if (map_address != (void *)-1) {
if (release_pos < NUM_BUFFERS) { if (likely(release_pos < NUM_BUFFERS)) {
release_info[release_pos].address = map_address; release_info[release_pos].address = map_address;
release_info[release_pos].attr = fd; release_info[release_pos].attr = fd;
release_info[release_pos].func = alloc_hugetlbfile_free; release_info[release_pos].func = alloc_hugetlbfile_free;
@ -3153,7 +3161,7 @@ void blas_shutdown(void){
LOCK_COMMAND(&alloc_lock); LOCK_COMMAND(&alloc_lock);
for (pos = 0; pos < release_pos; pos ++) { for (pos = 0; pos < release_pos; pos ++) {
if (pos < NUM_BUFFERS) if (likely(pos < NUM_BUFFERS))
release_info[pos].func(&release_info[pos]); release_info[pos].func(&release_info[pos]);
else else
new_release_info[pos-NUM_BUFFERS].func(&new_release_info[pos-NUM_BUFFERS]); new_release_info[pos-NUM_BUFFERS].func(&new_release_info[pos-NUM_BUFFERS]);