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Merge branch 'master' into fix-sync-badopt

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This commit is contained in:
Tetralux
2020-04-22 06:12:41 +01:00
committed by GitHub
parent 3afa2736b7 026bb8ed6f
commit e7e936f480
22 changed files with 1313 additions and 378 deletions
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core/sync/sync.odin
+5 -4
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@@ -1,8 +1,9 @@
package sync
foreign {
@(link_name="llvm.x86.sse2.pause")
yield_processor :: proc() ---
import "core:intrinsics"
cpu_relax :: inline proc() {
intrinsics.cpu_relax();
}
Ticket_Mutex :: struct {
@@ -18,7 +19,7 @@ ticket_mutex_init :: proc(m: ^Ticket_Mutex) {
ticket_mutex_lock :: inline proc(m: ^Ticket_Mutex) {
ticket := atomic_add(&m.ticket, 1, .Relaxed);
for ticket != atomic_load(&m.serving, .Acquire) {
yield_processor();
intrinsics.cpu_relax();
}
}