Enable sched_yield

henk717 · web-flow · commit bc92bd6c6ebc · 2023-07-12T19:02:38.000+02:00
Removing it caused a big performance regression for my system
diff --git a/ggml.c b/ggml.c
@@ -16080,7 +16080,7 @@ static thread_ret_t ggml_graph_compute_thread(void * data) {
             // wait for other threads to finish
             const int last = node_n;
             do {
-                //sched_yield();
+                sched_yield();
                 node_n = atomic_load(&state->shared->node_n);
             } while (node_n == last);
         }
@@ -18395,4 +18395,4 @@ int ggml_cpu_has_vsx(void) {
 #endif
 }
 
-////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////

Original file line number	Diff line number	Diff line change
`@@ -16080,7 +16080,7 @@ static thread_ret_t ggml_graph_compute_thread(void * data) {`
`16080`	`16080`	`// wait for other threads to finish`
`16081`	`16081`	`const int last = node_n;`
`16082`	`16082`	`do {`
`16083`		`- //sched_yield();`
	`16083`	`+ sched_yield();`
`16084`	`16084`	`node_n = atomic_load(&state->shared->node_n);`
`16085`	`16085`	`} while (node_n == last);`
`16086`	`16086`	`}`
`@@ -18395,4 +18395,4 @@ int ggml_cpu_has_vsx(void) {`
`18395`	`18395`	`#endif`
`18396`	`18396`	`}`
`18397`	`18397`
`18398`		`-////////////////////////////////////////////////////////////////////////////////`
	`18398`	`+////////////////////////////////////////////////////////////////////////////////`