58 lines
3.1 KiB
C
58 lines
3.1 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2020 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ This program is free software; you can redistribute it and/or modify │
|
|
│ it under the terms of the GNU General Public License as published by │
|
|
│ the Free Software Foundation; version 2 of the License. │
|
|
│ │
|
|
│ This program is distributed in the hope that it will be useful, but │
|
|
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
|
|
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
|
|
│ General Public License for more details. │
|
|
│ │
|
|
│ You should have received a copy of the GNU General Public License │
|
|
│ along with this program; if not, write to the Free Software │
|
|
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
|
|
│ 02110-1301 USA │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/macros.h"
|
|
#include "libc/nexgen32e/crc32.h"
|
|
#include "libc/nexgen32e/x86feature.h"
|
|
#include "libc/str/knuthmultiplicativehash.internal.h"
|
|
#include "libc/str/str.h"
|
|
#include "libc/testlib/ezbench.h"
|
|
#include "libc/testlib/hyperion.h"
|
|
#include "libc/testlib/testlib.h"
|
|
#include "third_party/zlib/zlib.h"
|
|
|
|
TEST(crc32, testBigText) {
|
|
size_t size;
|
|
void *hyperion;
|
|
size = kHyperionSize;
|
|
hyperion = kHyperion;
|
|
EXPECT_EQ(0xe9ded8e6, crc32(0, hyperion, size));
|
|
EXPECT_EQ(0xe9ded8e6, crc32_z(0, hyperion, size));
|
|
if (X86_HAVE(PCLMUL)) {
|
|
size = ROUNDDOWN(size, 64);
|
|
EXPECT_EQ(0xc7adc04f, crc32(0, hyperion, size));
|
|
EXPECT_EQ(0xc7adc04f, crc32_z(0, hyperion, size));
|
|
EXPECT_EQ(0xc7adc04f,
|
|
0xffffffffu ^ crc32$pclmul(0 ^ 0xffffffffu, hyperion, size));
|
|
}
|
|
}
|
|
|
|
#define TESTSTR "libc/calls/typedef/sighandler_t.h"
|
|
|
|
BENCH(crc32c, bench) {
|
|
EZBENCH2("crc32c", donothing,
|
|
EXPROPRIATE(crc32c(0, VEIL("r", TESTSTR), sizeof(TESTSTR) - 1)));
|
|
}
|
|
|
|
BENCH(KnuthMultiplicativeHash32, bench) {
|
|
EZBENCH2("KMP", donothing,
|
|
EXPROPRIATE(KnuthMultiplicativeHash32(VEIL("r", TESTSTR),
|
|
sizeof(TESTSTR) - 1)));
|
|
}
|