Commit f6ad3413 authored by Niels Möller's avatar Niels Möller

(display): New function for

displaying the results, including MB/s figures.

Rev: src/nettle/examples/nettle-benchmark.c:1.4
parent dd026f9c
......@@ -45,10 +45,19 @@
#include <time.h>
#if __GNUC__
# define UNUSED __attribute__ ((__unused__))
#else
# define UNUSED
#endif
/* Encrypt 100MB, 1K at a time. */
#define BENCH_BLOCK 1024
#define BENCH_COUNT 10240
/* Total MB:s, for MB/s figures. */
#define BENCH_TOTAL 10.0
static double
time_function(void (*f)(void *arg), void *arg)
{
......@@ -138,6 +147,15 @@ init_key(unsigned length,
key[i] = i;
}
static void
display(const char *name, const char *mode,
double elapsed)
{
printf("%13s (%s): %.2fs, %.3fMB/s\n",
name, mode,
elapsed, BENCH_TOTAL / elapsed);
}
static void
time_cipher(const struct nettle_cipher *cipher)
{
......@@ -156,9 +174,9 @@ time_cipher(const struct nettle_cipher *cipher)
init_key(cipher->key_size, key);
cipher->set_encrypt_key(ctx, cipher->key_size, key);
printf("%13s (ECB encrypt): %f\n", cipher->name,
time_function(bench_cipher, &info));
display(cipher->name, "ECB encrypt",
time_function(bench_cipher, &info));
}
{
......@@ -167,9 +185,9 @@ time_cipher(const struct nettle_cipher *cipher)
init_key(cipher->key_size, key);
cipher->set_decrypt_key(ctx, cipher->key_size, key);
printf("%13s (ECB decrypt): %f\n", cipher->name,
time_function(bench_cipher, &info));
display(cipher->name, "ECB decrypt",
time_function(bench_cipher, &info));
}
if (cipher->block_size)
......@@ -185,9 +203,8 @@ time_cipher(const struct nettle_cipher *cipher)
cipher->set_encrypt_key(ctx, cipher->key_size, key);
printf("%13s (CBC encrypt): %f\n", cipher->name,
time_function(bench_cbc_encrypt,
&info));
display(cipher->name, "CBC encrypt",
time_function(bench_cbc_encrypt, &info));
}
{
......@@ -198,9 +215,8 @@ time_cipher(const struct nettle_cipher *cipher)
cipher->set_decrypt_key(ctx, cipher->key_size, key);
printf("%13s (CBC decrypt): %f\n", cipher->name,
time_function(bench_cbc_decrypt,
&info));
display(cipher->name, "CBC decrypt",
time_function(bench_cbc_decrypt, &info));
}
}
}
......@@ -209,7 +225,7 @@ time_cipher(const struct nettle_cipher *cipher)
#define NCIPHERS 12
int
main(int argc, char **argv)
main(int argc UNUSED, char **argv UNUSED)
{
unsigned i;
const struct nettle_cipher *ciphers[NCIPHERS] =
......
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