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Mold the redbean binary to minimize page faults

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This change brings page faults for precompressed static asset serving
down from 27 to 20 (or fewer) after fork. This is more of an art than
science. Hopefully Blinkenlights can visualize page faults soon.
This commit is contained in:
Justine Tunney
2021-05-03 12:09:35 -07:00
parent 2d34819779
commit e56a9d0e23
14 changed files with 978 additions and 782 deletions
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44
test/libc/str/strstr_test.c
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@@ -46,6 +46,12 @@ TEST(strstr, test_notFound) {
free(haystack);
}
TEST(strstr, test_notFound1) {
MAKESTRING(haystack, "abc123def");
ASSERT_EQ(NULL, strstr(haystack, gc(strdup("x"))));
free(haystack);
}
TEST(strstr, test_middleOfString) {
MAKESTRING(haystack, "abc123def");
ASSERT_STREQ(&haystack[3], strstr(haystack, gc(strdup("123"))));
@@ -80,8 +86,40 @@ TEST(strstr, test) {
BENCH(strstr, bench) {
EZBENCH2("strstr", donothing, EXPROPRIATE(strstr(kHyperion, "THE END")));
EZBENCH2("strstr", donothing,
EZBENCH2("strstr torture 1", donothing,
EXPROPRIATE(strstr(
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
"aaaaaab")));
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
"b")));
EZBENCH2("strstr torture 2", donothing,
EXPROPRIATE(strstr(
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
"ab")));
EZBENCH2("strstr torture 4", donothing,
EXPROPRIATE(strstr(
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
"aaab")));
EZBENCH2("strstr torture 8", donothing,
EXPROPRIATE(strstr(
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
"aaaaaaab")));
EZBENCH2("strstr torture 16", donothing,
EXPROPRIATE(strstr(
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
"aaaaaaaaaaaaaaab")));
EZBENCH2("strstr torture 32", donothing,
EXPROPRIATE(strstr(
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab")));
}