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Go back to requesting work 2/3 of the way through the current scantime with CPU mining as reports of mining threads running out of work have occurred with only 5 seconds to retrieve work.

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This commit is contained in:
Con Kolivas 2011-08-31 16:01:28 +10:00
parent a593afdbeb
commit 5aca762a97
1 changed files with 1 additions and 8 deletions
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9
main.c
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@ -3303,20 +3303,13 @@ static void *miner_thread(void *userdata)
bool needs_work = true;
/* Try to cycle approximately 5 times before each log update */
const unsigned long cycle = opt_log_interval / 5 ? : 1;
int request_interval;
unsigned const int request_interval = opt_scantime * 2 / 3 ? : 1;
bool requested = false;
uint32_t nonce_inc = max_nonce, hash_div = 1;
double hash_divfloat = 1.0;
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
/* Request the next work item just before the end of the scantime. We
* don't want the work lying around too long since the CPU will always
* spend the full scantime */
request_interval = opt_scantime - 5;
if (request_interval < 1)
request_interval = 1;
/* 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 */