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| author | Dmitry Stogov <dmitry@zend.com> | 2015-03-18 17:11:21 +0300 |
|---|---|---|
| committer | Dmitry Stogov <dmitry@zend.com> | 2015-03-18 17:11:21 +0300 |
| commit | d092cb6e8ec9afc9c0433fcc42df57d3aa621f02 (patch) | |
| tree | 0fed5bdcb797e6d9d8e5a2be35f92de6e270a485 | |
| parent | 5c6db3b0f2a8fdc1ad5221abc9450d0599fc5ece (diff) | |
| download | php-git-d092cb6e8ec9afc9c0433fcc42df57d3aa621f02.tar.gz | |
Second prefetch is useless, because cahce line on modern x86 CPUs is 64 bytes long.
| -rw-r--r-- | ext/opcache/zend_accelerator_util_funcs.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/ext/opcache/zend_accelerator_util_funcs.c b/ext/opcache/zend_accelerator_util_funcs.c index 8b301bf429..20b097b202 100644 --- a/ext/opcache/zend_accelerator_util_funcs.c +++ b/ext/opcache/zend_accelerator_util_funcs.c @@ -770,7 +770,6 @@ static zend_always_inline void fast_memcpy(void *dest, const void *src, size_t s do { _mm_prefetch(dqsrc + 4, _MM_HINT_NTA); - _mm_prefetch(dqsrc + 6, _MM_HINT_NTA); __m128i xmm0 = _mm_load_si128(dqsrc + 0); __m128i xmm1 = _mm_load_si128(dqsrc + 1); |