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@ -134,6 +134,9 @@ static enum sha256_algos opt_algo = ALGO_C;
@@ -134,6 +134,9 @@ static enum sha256_algos opt_algo = ALGO_C;
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#endif |
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static int nDevs; |
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static int opt_g_threads = 2; |
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static int opt_device; |
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static int total_devices; |
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static bool gpu_devices[16]; |
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static int gpu_threads; |
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static bool forced_n_threads; |
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static int opt_n_threads; |
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@ -229,6 +232,20 @@ static char *set_int_1_to_10(const char *arg, int *i)
@@ -229,6 +232,20 @@ static char *set_int_1_to_10(const char *arg, int *i)
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return set_int_range(arg, i, 1, 10); |
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} |
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static char *set_devices(const char *arg, int *i) |
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{ |
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char *err = opt_set_intval(arg, i); |
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if (err) |
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return err; |
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if (*i < 0 || *i > 15) |
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return "Invalid GPU device number"; |
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total_devices++; |
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gpu_devices[*i] = true; |
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return NULL; |
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} |
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static char *set_url(const char *arg, char **p) |
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{ |
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opt_set_charp(arg, p); |
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@ -286,6 +303,9 @@ static struct opt_table opt_config_table[] = {
@@ -286,6 +303,9 @@ static struct opt_table opt_config_table[] = {
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enable_debug, &opt_debug, |
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"Enable debug output"), |
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#ifdef HAVE_OPENCL |
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OPT_WITH_ARG("--device|-d", |
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set_devices, NULL, &opt_device, |
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"Select device to use, (Use repeat -d for mulitple devices, default: all)"), |
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OPT_WITH_ARG("--gpu-threads|-g", |
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set_int_0_to_10, opt_show_intval, &opt_g_threads, |
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"Number of threads per GPU (0 - 10)"), |
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@ -1635,7 +1655,7 @@ static void *wakeup_thread(void *userdata)
@@ -1635,7 +1655,7 @@ static void *wakeup_thread(void *userdata)
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int main (int argc, char *argv[]) |
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{ |
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struct thr_info *thr; |
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unsigned int i; |
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unsigned int i, j = 0; |
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char name[32]; |
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struct cgpu_info *gpus = NULL, *cpus = NULL; |
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@ -1657,10 +1677,11 @@ int main (int argc, char *argv[])
@@ -1657,10 +1677,11 @@ int main (int argc, char *argv[])
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#endif /* !WIN32 */ |
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#ifdef HAVE_OPENCL |
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for (i = 0; i < 16; i++) |
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gpu_devices[true] = false; |
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nDevs = clDevicesNum(); |
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if (nDevs < 0) |
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return 1; |
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#endif |
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if (nDevs) |
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opt_n_threads = 0; |
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@ -1679,7 +1700,23 @@ int main (int argc, char *argv[])
@@ -1679,7 +1700,23 @@ int main (int argc, char *argv[])
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return 1; |
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} |
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gpu_threads = nDevs * opt_g_threads; |
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if (total_devices) { |
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if (total_devices > nDevs) { |
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applog(LOG_ERR, "More devices specified than exist"); |
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return 1; |
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} |
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for (i = 0; i < 16; i++) |
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if (gpu_devices[i] && i + 1 > nDevs) { |
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applog(LOG_ERR, "Command line options set a device that doesn't exist"); |
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return 1; |
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} |
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gpu_threads = total_devices * opt_g_threads; |
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} else { |
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gpu_threads = nDevs * opt_g_threads; |
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for (i = 0; i < nDevs; i++) |
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gpu_devices[i] = true; |
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} |
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if (!gpu_threads && !forced_n_threads) { |
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/* Maybe they turned GPU off; restore default CPU threads. */ |
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opt_n_threads = num_processors; |
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@ -1782,10 +1819,15 @@ int main (int argc, char *argv[])
@@ -1782,10 +1819,15 @@ int main (int argc, char *argv[])
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} |
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#ifdef HAVE_OPENCL |
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i = 0; |
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/* start GPU mining threads */ |
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for (i = 0; i < gpu_threads; i++) { |
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int gpu = gpu_from_thr_id(i); |
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for (j = 0; j < nDevs * opt_g_threads; j++) { |
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int gpu = gpu_from_thr_id(j); |
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/* Skip devices not set to work */ |
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if (!gpu_devices[gpu]) |
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continue; |
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thr = &thr_info[i]; |
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thr->id = i; |
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gpus[gpu].is_gpu = 1; |
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@ -1811,9 +1853,10 @@ int main (int argc, char *argv[])
@@ -1811,9 +1853,10 @@ int main (int argc, char *argv[])
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return 1; |
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} |
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pthread_detach(thr->pth); |
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i++; |
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} |
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applog(LOG_INFO, "%d gpu miner threads started", i); |
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applog(LOG_INFO, "%d gpu miner threads started", gpu_threads); |
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#endif |
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/* start CPU mining threads */ |
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