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Fix issues with previous commit

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Justine Tunney 2024-09-10 01:59:46 -07:00
parent 2f48a02b44
commit a0a404a431
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GPG key ID: BE714B4575D6E328
8 changed files with 122 additions and 57 deletions
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37
test/libc/intrin/memset_test.c
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@ -21,7 +21,7 @@
#include "libc/mem/mem.h"
#include "libc/stdio/rand.h"
#include "libc/str/str.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/benchmark.h"
#include "libc/testlib/testlib.h"
static void *golden(void *p, int c, size_t n) {
@ -64,36 +64,11 @@ TEST(bzero, hug) {
}
}
BENCH(memset, bench) {
int n, max = 8 * 1024 * 1024;
char *volatile p = gc(malloc(max));
EZBENCH_N("memset", 0, memset(p, -1, 0));
for (n = 2; n <= max; n *= 2) {
EZBENCH_N("memset", n - 1, memset(p, -1, n - 1));
EZBENCH_N("memset", n, memset(p, -1, n));
}
EZBENCH_N("memset16", 0, memset16((char16_t *)p, -1, 0));
for (n = 2; n <= max; n *= 2) {
EZBENCH_N("memset16", n, memset16((char16_t *)p, -1, n / 2));
}
EZBENCH_N("bzero", 0, bzero(p, 0));
for (n = 2; n <= max; n *= 2) {
EZBENCH_N("bzero", n - 1, bzero(p, n - 1));
EZBENCH_N("bzero", n, bzero(p, n));
}
}
#define N (256 * 1024 * 1024)
BENCH(strlen, bench) {
int n, max = 8 * 1024 * 1024;
char *volatile p = gc(calloc(max + 1, 1));
EZBENCH_N("strlen", 0, strlen(p));
for (n = 2; n <= max; n *= 2) {
memset(p, -1, n - 1);
EZBENCH_N("strlen", n - 1, strlen(p));
p[n - 1] = -1;
EZBENCH_N("strlen", n, strlen(p));
}
static char A[N];
memset(A, 2, N);
for (int n = 1; n <= N; n *= 2)
BENCHMARK(100, n, X(memset(V(A), 1, n)));
}