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Benchmark signal delivery

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This commit is contained in:
Justine Tunney 2022-08-05 15:01:13 -07:00
parent 449fb2fb59
commit db8217b37b
2 changed files with 61 additions and 5 deletions
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10
libc/str/bcmp.c
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@ -23,7 +23,7 @@
typedef uint64_t xmm_t __attribute__((__vector_size__(16), __aligned__(1)));
static dontinline antiquity int memcmp_sse(const char *p, const char *q,
static dontinline antiquity int bcmp_sse(const char *p, const char *q,
size_t n) {
xmm_t a;
while (n > 32) {
@ -38,8 +38,8 @@ static dontinline antiquity int memcmp_sse(const char *p, const char *q,
return !!(a[0] | a[1]);
}
microarchitecture("avx") static int memcmp_avx(const char *p, const char *q,
size_t n) {
microarchitecture("avx") static int bcmp_avx(const char *p, const char *q,
size_t n) {
xmm_t a, b, c, d;
if (n > 32) {
if (n >= 16 + 64) {
@ -123,9 +123,9 @@ int bcmp(const void *a, const void *b, size_t n) {
return !!(i ^ j);
}
} else if (LIKELY(X86_HAVE(AVX))) {
return memcmp_avx(p, q, n);
return bcmp_avx(p, q, n);
} else {
return memcmp_sse(p, q, n);
return bcmp_sse(p, q, n);
}
}
while (n--) {