Update cpu.go

cloudxaas · Mar 15, 2024 · 89fd2a8 · 89fd2a8
1 parent 3350bf1
commit 89fd2a8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/thread/cpu.go b/thread/cpu.go
@@ -30,7 +30,7 @@ func SetCPUAffinity(cpu uint16) error {
 
 // Updated function to use xxh3 for hashing with AVX2 optimization when available.
 func CPUHash(k []byte) uint16 {
-	return uint16(xxh3.Hash(k) % uint64(runtime.NumCPU()))
+	return uint16(xxh3.Hash(k) & uint64(runtime.NumCPU()-1))
 }
 
 func IsCurrentCPUID(id uint16) uint8 {