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Add a --benchmark option for offline testing

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This commit is contained in:
pooler 2012-08-05 16:48:00 +02:00
parent 3419ca2607
commit 5704acfa28
1 changed files with 29 additions and 3 deletions
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32
cpu-miner.c
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@ -99,6 +99,7 @@ static const char *algo_names[] = {
bool opt_debug = false;
bool opt_protocol = false;
static bool opt_benchmark = false;
bool want_longpoll = true;
bool have_longpoll = false;
static bool submit_old = false;
@ -172,6 +173,7 @@ Options:\n\
-B, --background run the miner in the background\n"
#endif
"\
--benchmark run in offline benchmark mode\n\
-c, --config=FILE load a JSON-format configuration file\n\
-V, --version display version information and exit\n\
-h, --help display this help text and exit\n\
@ -191,6 +193,7 @@ static struct option const options[] = {
#ifndef WIN32
{ "background", 0, NULL, 'B' },
#endif
{ "benchmark", 0, NULL, 1005 },
{ "config", 1, NULL, 'c' },
{ "debug", 0, NULL, 'D' },
{ "help", 0, NULL, 'h' },
@ -487,6 +490,12 @@ static bool get_work(struct thr_info *thr, struct work *work)
struct workio_cmd *wc;
struct work *work_heap;
if (opt_benchmark) {
memset(work->data, 0x55, sizeof(work->data));
memset(work->target, 0x00, sizeof(work->target));
return true;
}
/* fill out work request message */
wc = calloc(1, sizeof(*wc));
if (!wc)
@ -517,6 +526,9 @@ static bool submit_work(struct thr_info *thr, const struct work *work_in)
{
struct workio_cmd *wc;
if (opt_benchmark)
return true;
/* fill out work request message */
wc = calloc(1, sizeof(*wc));
if (!wc)
@ -549,12 +561,16 @@ static void *miner_thread(void *userdata)
uint32_t max_nonce;
uint32_t end_nonce = 0xffffffffU / opt_n_threads * (thr_id + 1) - 0x10;
unsigned char *scratchbuf = NULL;
char s[16];
int i;
/* Set worker threads to nice 19 and then preferentially to SCHED_IDLE
* and if that fails, then SCHED_BATCH. No need for this to be an
* error if it fails */
setpriority(PRIO_PROCESS, 0, 19);
drop_policy();
if (!opt_benchmark) {
setpriority(PRIO_PROCESS, 0, 19);
drop_policy();
}
/* Cpu affinity only makes sense if the number of threads is a multiple
* of the number of CPUs */
@ -633,12 +649,20 @@ static void *miner_thread(void *userdata)
pthread_mutex_unlock(&stats_lock);
}
if (!opt_quiet) {
char s[16];
sprintf(s, thr_hashrates[thr_id] >= 1e6 ? "%.0f" : "%.2f",
1e-3 * thr_hashrates[thr_id]);
applog(LOG_INFO, "thread %d: %lu hashes, %s khash/s",
thr_id, hashes_done, s);
}
if (opt_benchmark && thr_id == opt_n_threads - 1) {
double hashrate = 0.;
for (i = 0; i < opt_n_threads && thr_hashrates[i]; i++)
hashrate += thr_hashrates[i];
if (i == opt_n_threads) {
sprintf(s, hashrate >= 1e6 ? "%.0f" : "%.2f", 1e-3 * hashrate);
applog(LOG_INFO, "Total: %s khash/s", s);
}
}
/* if nonce found, submit work */
if (rc && !submit_work(mythr, &work))
@ -889,6 +913,8 @@ static void parse_arg (int key, char *arg)
free(opt_proxy);
opt_proxy = strdup(arg);
break;
case 1005:
opt_benchmark = true;
case 1003:
want_longpoll = false;
break;