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git-svn-id: https://leveldb.googlecode.com/svn/trunk@15 62dab493-f737-651d-591e-8d6aee1b9529
This commit is contained in:
jorlow@chromium.org
2011-03-25 20:27:43 +00:00
parent 8303bb1b33
commit e11bdf1935
7 changed files with 447 additions and 266 deletions
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16
port/sha1_test.cc
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@@ -31,22 +31,6 @@ TEST(SHA1, Simple) {
TestSHA1(x.data(), x.size()));
}
TEST(SHA1, Benchmark) {
std::string data(1048576 * 100, 'x');
double start = Env::Default()->NowMicros() * 1e-6;
static const int kIters = 10;
uint32_t sha1 = 0;
for (int i = 0; i < kIters; i++) {
char hash_val[20];
SHA1_Hash(data.data(), data.size(), hash_val);
sha1 |= hash_val[0];
}
double finish = Env::Default()->NowMicros() * 1e-6;
double mb = (static_cast<long long int>(data.size()) * kIters) / 1048576.0;
fprintf(stderr, "SHA1 %0.0f MB: %.3f secs; %.1f MB/s, dummy=0x%02x\n",
mb, (finish - start), mb / (finish - start), sha1);
}
}
}