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[or-cvs] Add a benchmark-aes function to test.c. Off by default.
Update of /home/or/cvsroot/tor/src/or
In directory moria:/tmp/cvs-serv32724/src/or
Modified Files:
test.c
Log Message:
Add a benchmark-aes function to test.c. Off by default.
Index: test.c
===================================================================
RCS file: /home/or/cvsroot/tor/src/or/test.c,v
retrieving revision 1.213
retrieving revision 1.214
diff -u -d -r1.213 -r1.214
--- test.c 24 Nov 2005 01:47:05 -0000 1.213
+++ test.c 1 Dec 2005 04:35:58 -0000 1.214
@@ -1548,6 +1548,37 @@
crypto_free_pk_env(pk2);
}
+static void
+bench_aes(void)
+{
+ int len, i;
+ char *b1, *b2;
+ crypto_cipher_env_t *c;
+ struct timeval start, end;
+ const int iters = 100000;
+ uint64_t nsec;
+ c = crypto_new_cipher_env();
+ crypto_cipher_generate_key(c);
+ crypto_cipher_encrypt_init_cipher(c);
+ for (len = 1; len <= 8192; len *= 2) {
+ b1 = tor_malloc_zero(len);
+ b2 = tor_malloc_zero(len);
+ tor_gettimeofday(&start);
+ for (i = 0; i < iters; ++i) {
+ crypto_cipher_encrypt(c, b1, b2, len);
+ }
+ tor_gettimeofday(&end);
+ tor_free(b1);
+ tor_free(b2);
+ nsec = (uint64_t) tv_udiff(&start,&end);
+ nsec *= 1000;
+ nsec /= (iters*len);
+ printf("%d bytes: "U64_FORMAT" nsec per byte\n", len,
+ U64_PRINTF_ARG(nsec));
+ }
+ crypto_free_cipher_env(c);
+}
+
int
main(int c, char**v)
{
@@ -1561,6 +1592,11 @@
crypto_seed_rng();
+ if (0) {
+ bench_aes();
+ return 0;
+ }
+
rep_hist_init();
atexit(remove_directory);