.

spmd/spmd.go

@@ -58,7 +58,7 @@ func Run(nLanes int, fn func(lane Lane)) {
 
 	osthread.Start(func() {
 		s := new(state)
-		s.cond = sync.NewCond(&s.mtx)
+		s.cond.L = &s.mtx
 		s.total = uint64(nLanes)
 
 		var wg sync.WaitGroup
@@ -82,7 +82,7 @@ func Run(nLanes int, fn func(lane Lane)) {
 
 type state struct {
 	mtx      sync.Mutex
-	cond     *sync.Cond
+	cond     sync.Cond
 	waiting  atomic.Uint64
 	total    uint64
 	userdata sync.Map

xx.go

@@ -30,6 +30,7 @@ func Clone[T any](value *T) *T {
 	return Copy(new(T), value)
 }
 
+// BoolUint converts a boolean to an integer.
 func BoolUint(b bool) uint {
 	return uint(*(*uint8)(unsafe.Pointer(&b)))
 }