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Make sure a GPU doesn't work on a block longer than opt_scantime.

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ckolivas 2011-06-24 09:39:33 +10:00 committed by Con Kolivas
parent 26546ad5b9
commit b19ee2f5f5
1 changed files with 7 additions and 1 deletions
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8
cpu-miner.c
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@ -833,12 +833,13 @@ static void *gpuminer_thread(void *userdata)
localThreads[0] = clState->max_work_size / vectors; localThreads[0] = clState->max_work_size / vectors;
while (1) { while (1) {
struct timeval tv_end, diff; struct timeval tv_end, diff, tv_workstart;
unsigned int i; unsigned int i;
clFinish(clState->commandQueue); clFinish(clState->commandQueue);
if (need_work) { if (need_work) {
gettimeofday(&tv_workstart, NULL);
/* obtain new work from internal workio thread */ /* obtain new work from internal workio thread */
if (unlikely(!get_work(mythr, work))) { if (unlikely(!get_work(mythr, work))) {
applog(LOG_ERR, "work retrieval failed, exiting " applog(LOG_ERR, "work retrieval failed, exiting "
@ -897,6 +898,11 @@ static void *gpuminer_thread(void *userdata)
gettimeofday(&tv_start, NULL); gettimeofday(&tv_start, NULL);
work->blk.nonce += hashes_done; work->blk.nonce += hashes_done;
timeval_subtract(&diff, &tv_end, &tv_workstart);
if (diff.tv_sec > opt_scantime) {
need_work = true;
continue;
}
if (unlikely(work->blk.nonce > MAXTHREADS - hashes_done) || if (unlikely(work->blk.nonce > MAXTHREADS - hashes_done) ||
(work_restart[thr_id].restart)) (work_restart[thr_id].restart))