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Stagger the restart of every next thread per device to keep devices busy ahead of accessory threads per device.

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This commit is contained in:
Con Kolivas 2012-02-05 22:33:58 +11:00
parent 82f74af533
commit 294ac0b6bf
2 changed files with 19 additions and 1 deletions
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18
cgminer.c
View File

@ -3248,8 +3248,22 @@ void *miner_thread(void *userdata)
gettimeofday(&tv_start, NULL);
hashes = api->scanhash(mythr, work, work->blk.nonce + max_nonce);
if (unlikely(work_restart[thr_id].restart))
if (unlikely(work_restart[thr_id].restart)) {
/* Apart from device_thread 0, we stagger the
* starting of every next thread to try and get
* all devices busy before worrying about
* getting work for their extra threads */
if (mythr->device_thread) {
struct timespec rgtp;
rgtp.tv_sec = 0;
rgtp.tv_nsec = 250 * mythr->device_thread * 1000000;
nanosleep(&rgtp, NULL);
}
break;
}
if (unlikely(!hashes))
goto out;
hashes_done += hashes;
@ -4317,10 +4331,12 @@ retry_pools:
k = 0;
for (i = 0; i < total_devices; ++i) {
struct cgpu_info *cgpu = devices[i];
for (j = 0; j < cgpu->threads; ++j, ++k) {
thr = &thr_info[k];
thr->id = k;
thr->cgpu = cgpu;
thr->device_thread = j;
thr->q = tq_new();
if (!thr->q)

2
miner.h
View File

@ -318,6 +318,8 @@ struct thread_q {
struct thr_info {
int id;
int device_thread;
pthread_t pth;
struct thread_q *q;
struct cgpu_info *cgpu;