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Make improvements

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- Make rand64() thread safe
- Introduce lemur64 lcg prng
- Improve strace on New Technology
- Improve msync() on New Technology
This commit is contained in:
Justine Tunney 2022-04-07 00:15:35 -07:00
parent 43ba3009b2
commit 29bf8b1a30
73 changed files with 888 additions and 269 deletions
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32
test/libc/intrin/memcmp_test.c
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@ -121,17 +121,17 @@ BENCH(bcmp, bench) {
EZBENCH_N("bcmp", 256, v = buncmp(a, b, 256));
a = gc(malloc(16 * 1024));
b = gc(malloc(16 * 1024));
rngset(a, 16 * 1024, vigna, -1);
rngset(a, 16 * 1024, lemur64, -1);
memcpy(b, a, 16 * 1024);
EZBENCH_N("bcmp", 16384, v = buncmp(a, b, 16384));
a = gc(malloc(32 * 1024));
b = gc(malloc(32 * 1024));
rngset(a, 32 * 1024, vigna, -1);
rngset(a, 32 * 1024, lemur64, -1);
memcpy(b, a, 32 * 1024);
EZBENCH_N("bcmp", 32768, v = buncmp(a, b, 32768));
a = gc(malloc(128 * 1024));
b = gc(malloc(128 * 1024));
rngset(a, 128 * 1024, vigna, -1);
rngset(a, 128 * 1024, lemur64, -1);
memcpy(b, a, 128 * 1024);
EZBENCH_N("bcmp", 131072, v = buncmp(a, b, 131072));
}
@ -166,17 +166,17 @@ BENCH(memcmp, bench) {
EZBENCH_N("memcmp", 256, v = funcmp(a, b, 256));
a = gc(malloc(16 * 1024));
b = gc(malloc(16 * 1024));
rngset(a, 16 * 1024, vigna, -1);
rngset(a, 16 * 1024, lemur64, -1);
memcpy(b, a, 16 * 1024);
EZBENCH_N("memcmp", 16384, v = funcmp(a, b, 16384));
a = gc(malloc(32 * 1024));
b = gc(malloc(32 * 1024));
rngset(a, 32 * 1024, vigna, -1);
rngset(a, 32 * 1024, lemur64, -1);
memcpy(b, a, 32 * 1024);
EZBENCH_N("memcmp", 32768, v = funcmp(a, b, 32768));
a = gc(malloc(128 * 1024));
b = gc(malloc(128 * 1024));
rngset(a, 128 * 1024, vigna, -1);
rngset(a, 128 * 1024, lemur64, -1);
memcpy(b, a, 128 * 1024);
EZBENCH_N("memcmp", 131072, v = funcmp(a, b, 131072));
}
@ -211,17 +211,17 @@ BENCH(timingsafe_memcmp, bench) {
EZBENCH_N("timingsafe_memcmp", 256, v = timingsafe_memcmp(a, b, 256));
a = gc(malloc(16 * 1024));
b = gc(malloc(16 * 1024));
rngset(a, 16 * 1024, vigna, -1);
rngset(a, 16 * 1024, lemur64, -1);
memcpy(b, a, 16 * 1024);
EZBENCH_N("timingsafe_memcmp", 16384, v = timingsafe_memcmp(a, b, 16384));
a = gc(malloc(32 * 1024));
b = gc(malloc(32 * 1024));
rngset(a, 32 * 1024, vigna, -1);
rngset(a, 32 * 1024, lemur64, -1);
memcpy(b, a, 32 * 1024);
EZBENCH_N("timingsafe_memcmp", 32768, v = timingsafe_memcmp(a, b, 32768));
a = gc(malloc(128 * 1024));
b = gc(malloc(128 * 1024));
rngset(a, 128 * 1024, vigna, -1);
rngset(a, 128 * 1024, lemur64, -1);
memcpy(b, a, 128 * 1024);
EZBENCH_N("timingsafe_memcmp", 131072, v = timingsafe_memcmp(a, b, 131072));
}
@ -256,17 +256,17 @@ BENCH(timingsafe_bcmp, bench) {
EZBENCH_N("timingsafe_bcmp", 256, v = timingsafe_bcmp(a, b, 256));
a = gc(malloc(16 * 1024));
b = gc(malloc(16 * 1024));
rngset(a, 16 * 1024, vigna, -1);
rngset(a, 16 * 1024, lemur64, -1);
memcpy(b, a, 16 * 1024);
EZBENCH_N("timingsafe_bcmp", 16384, v = timingsafe_bcmp(a, b, 16384));
a = gc(malloc(32 * 1024));
b = gc(malloc(32 * 1024));
rngset(a, 32 * 1024, vigna, -1);
rngset(a, 32 * 1024, lemur64, -1);
memcpy(b, a, 32 * 1024);
EZBENCH_N("timingsafe_bcmp", 32768, v = timingsafe_bcmp(a, b, 32768));
a = gc(malloc(128 * 1024));
b = gc(malloc(128 * 1024));
rngset(a, 128 * 1024, vigna, -1);
rngset(a, 128 * 1024, lemur64, -1);
memcpy(b, a, 128 * 1024);
EZBENCH_N("timingsafe_bcmp", 131072, v = timingsafe_bcmp(a, b, 131072));
}
@ -301,17 +301,17 @@ BENCH(memcasecmp, bench) {
EZBENCH_N("memcasecmp", 256, v = memcasecmp(a, b, 256));
a = gc(malloc(16 * 1024));
b = gc(malloc(16 * 1024));
rngset(a, 16 * 1024, vigna, -1);
rngset(a, 16 * 1024, lemur64, -1);
memcpy(b, a, 16 * 1024);
EZBENCH_N("memcasecmp", 16384, v = memcasecmp(a, b, 16384));
a = gc(malloc(32 * 1024));
b = gc(malloc(32 * 1024));
rngset(a, 32 * 1024, vigna, -1);
rngset(a, 32 * 1024, lemur64, -1);
memcpy(b, a, 32 * 1024);
EZBENCH_N("memcasecmp", 32768, v = memcasecmp(a, b, 32768));
a = gc(malloc(128 * 1024));
b = gc(malloc(128 * 1024));
rngset(a, 128 * 1024, vigna, -1);
rngset(a, 128 * 1024, lemur64, -1);
memcpy(b, a, 128 * 1024);
EZBENCH_N("memcasecmp", 131072, v = memcasecmp(a, b, 131072));
}
@ -320,7 +320,7 @@ BENCH(timingsafe_memcmp, demonstration) {
int bcmp_(const void *, const void *, size_t) asm("bcmp");
int memcmp_(const void *, const void *, size_t) asm("memcmp");
char a[256], b[256];
rngset(a, 256, vigna, -1);
rngset(a, 256, lemur64, -1);
memcpy(b, a, 256);
++a[0];
EZBENCH_N("bcmp ne", 256, bcmp_(a, b, 256));