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Add a benchmark-aes function to test.c. Off by default.
svn:r5485
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parent
fea19528a1
commit
6443e5ec7f
@ -1548,6 +1548,37 @@ test_rend_fns(void)
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crypto_free_pk_env(pk2);
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}
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static void
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bench_aes(void)
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{
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int len, i;
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char *b1, *b2;
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crypto_cipher_env_t *c;
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struct timeval start, end;
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const int iters = 100000;
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uint64_t nsec;
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c = crypto_new_cipher_env();
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crypto_cipher_generate_key(c);
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crypto_cipher_encrypt_init_cipher(c);
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for (len = 1; len <= 8192; len *= 2) {
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b1 = tor_malloc_zero(len);
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b2 = tor_malloc_zero(len);
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tor_gettimeofday(&start);
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for (i = 0; i < iters; ++i) {
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crypto_cipher_encrypt(c, b1, b2, len);
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}
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tor_gettimeofday(&end);
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tor_free(b1);
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tor_free(b2);
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nsec = (uint64_t) tv_udiff(&start,&end);
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nsec *= 1000;
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nsec /= (iters*len);
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printf("%d bytes: "U64_FORMAT" nsec per byte\n", len,
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U64_PRINTF_ARG(nsec));
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}
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crypto_free_cipher_env(c);
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}
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int
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main(int c, char**v)
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{
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@ -1561,6 +1592,11 @@ main(int c, char**v)
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crypto_seed_rng();
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if (0) {
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bench_aes();
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return 0;
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}
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rep_hist_init();
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atexit(remove_directory);
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