GOSTSec/ccminer-gostd-lite
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try to prevent gpu pauses

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This commit is contained in:
Tanguy Pruvot 2014-09-08 09:31:00 +02:00
parent 402e416853
commit 3ed36f285b
2 changed files with 30 additions and 11 deletions
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34
cpu-miner.c
View File

@ -460,11 +460,14 @@ static bool submit_upstream_work(CURL *curl, struct work *work)
bool rc = false;
/* pass if the previous hash is not the current previous hash */
pthread_mutex_lock(&g_work_lock);
if (memcmp(work->data + 1, g_work.data + 1, 32)) {
pthread_mutex_unlock(&g_work_lock);
if (opt_debug)
applog(LOG_DEBUG, "DEBUG: stale work detected, discarding");
return true;
}
pthread_mutex_unlock(&g_work_lock);
if (have_stratum) {
uint32_t sent;
@ -894,6 +897,7 @@ static void *miner_thread(void *userdata)
struct timeval tv_start, tv_end, diff;
int64_t max64;
uint64_t umax64;
bool extrajob = false;
int rc;
// &work.data[19]
@ -901,13 +905,24 @@ static void *miner_thread(void *userdata)
uint32_t *nonceptr = (uint32_t*) (((char*)work.data) + wcmplen);
if (have_stratum) {
while (time(NULL) >= (g_work_time + opt_scantime) && !work_done)
usleep(500*1000);
work_done = false;
pthread_mutex_lock(&g_work_lock);
uint32_t sleeptime = 0;
while (!work_done && time(NULL) >= (g_work_time + opt_scantime)) {
sleeptime++;
usleep(50*1000);
if (sleeptime > 5) {
extrajob = true;
break;
}
}
if (sleeptime)
applog(LOG_DEBUG, "sleeptime: %u ms", sleeptime*100);
nonceptr = (uint32_t*) (((char*)work.data) + wcmplen);
if ((*nonceptr) >= end_nonce)
pthread_mutex_lock(&g_work_lock);
extrajob |= work_done;
if ((*nonceptr) >= end_nonce || extrajob) {
work_done = false;
stratum_gen_work(&stratum, &g_work);
}
} else {
int min_scantime = have_longpoll ? LP_SCANTIME : opt_scantime;
/* obtain new work from internal workio thread */
@ -946,11 +961,11 @@ static void *miner_thread(void *userdata)
(*nonceptr) = (0xffffffffUL / opt_n_threads) * thr_id; // 0 if single thr
} else
(*nonceptr)++; //??
pthread_mutex_unlock(&g_work_lock);
work_restart[thr_id].restart = 0;
if (opt_debug)
applog(LOG_WARNING, "job %s %08x", g_work.job_id, (*nonceptr));
pthread_mutex_unlock(&g_work_lock);
/* adjust max_nonce to meet target scan time */
if (have_stratum)
@ -962,15 +977,18 @@ static void *miner_thread(void *userdata)
max64 *= (int64_t)thr_hashrates[thr_id];
if (max64 <= 0) {
/* should not be set too high,
else you can miss multiple nounces */
switch (opt_algo) {
case ALGO_JACKPOT:
max64 = 0x1fffLL;
break;
case ALGO_BLAKECOIN:
max64 = 0x3ffffffLL;
break;
case ALGO_BLAKE:
/* based on the 750Ti hashrate (100kH) */
max64 = 0x3ffffffLL;
max64 = 0x1ffffffLL;
break;
default:
max64 = 0xfffffLL;
@ -1008,7 +1026,7 @@ static void *miner_thread(void *userdata)
work_restart[thr_id].restart = 1;
hashlog_purge_old();
// wait a bit for a new job...
sleep(1);
usleep(500*1000);
(*nonceptr) = end_nonce + 1;
work_done = true;
continue;

7
util.c
View File

@ -1020,7 +1020,7 @@ static bool stratum_notify(struct stratum_ctx *sctx, json_t *params)
int merkle_count, i;
json_t *merkle_arr;
unsigned char **merkle;
int ntime;
int ntime, hoffset;
job_id = json_string_value(json_array_get(params, 0));
prevhash = json_string_value(json_array_get(params, 1));
@ -1078,7 +1078,8 @@ static bool stratum_notify(struct stratum_ctx *sctx, json_t *params)
hex2bin(sctx->job.coinbase, coinb1, coinb1_size);
memcpy(sctx->job.coinbase + coinb1_size, sctx->xnonce1, sctx->xnonce1_size);
sctx->bloc_height = le16dec((uint8_t*) sctx->job.coinbase + 43);
hoffset = coinb1_size - 15; // 43;
sctx->bloc_height = le16dec((uint8_t*) sctx->job.coinbase + hoffset);
if (!sctx->job.job_id || strcmp(sctx->job.job_id, job_id))
memset(sctx->job.xnonce2, 0, sctx->xnonce2_size);
hex2bin(sctx->job.xnonce2 + sctx->xnonce2_size, coinb2, coinb2_size);
@ -1125,7 +1126,7 @@ static bool stratum_set_difficulty(struct stratum_ctx *sctx, json_t *params)
sctx->next_diff = diff;
pthread_mutex_unlock(&sctx->work_lock);
applog(LOG_INFO, "Stratum difficulty set to %g", diff);
applog(LOG_WARNING, "Stratum difficulty set to %g", diff);
return true;
}