diff options
| -rw-r--r-- | src/runtime/malloc.go | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/runtime/malloc.go b/src/runtime/malloc.go index 475f97fd05..fac5ca49ce 100644 --- a/src/runtime/malloc.go +++ b/src/runtime/malloc.go @@ -553,7 +553,8 @@ func mallocgc(size uintptr, typ *_type, flags uint32) unsafe.Pointer { } s.freelist = v.ptr().next s.ref++ - //TODO: prefetch v.next + // prefetchnta offers best performance, see change list message. + prefetchnta(uintptr(v.ptr().next)) x = unsafe.Pointer(v) (*[2]uint64)(x)[0] = 0 (*[2]uint64)(x)[1] = 0 @@ -584,7 +585,8 @@ func mallocgc(size uintptr, typ *_type, flags uint32) unsafe.Pointer { } s.freelist = v.ptr().next s.ref++ - //TODO: prefetch + // prefetchnta offers best performance, see change list message. + prefetchnta(uintptr(v.ptr().next)) x = unsafe.Pointer(v) if flags&flagNoZero == 0 { v.ptr().next = 0 |