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Create an array of 4 lots of work for avalon and cycle through them.

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This commit is contained in:
Con Kolivas 2013-04-06 02:25:48 +11:00
parent 6752c24750
commit 67be00e41e
2 changed files with 40 additions and 9 deletions
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48
driver-avalon.c
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@ -645,7 +645,7 @@ static bool avalon_prepare(struct thr_info *thr)
struct avalon_info *info = avalon_infos[avalon->device_id];
struct timeval now;
avalon->works = calloc(info->miner_count * sizeof(struct work *), 1);
avalon->works = calloc(info->miner_count * sizeof(struct work *), 4);
if (!avalon->works)
quit(1, "Failed to calloc avalon works in avalon_prepare");
__avalon_init(avalon);
@ -669,7 +669,31 @@ static void avalon_free_work(struct thr_info *thr)
works = avalon->works;
info = avalon_infos[avalon->device_id];
for (i = 0; i < info->miner_count; i++) {
for (i = 0; i < info->miner_count * 4; i++) {
if (works[i]) {
work_completed(avalon, works[i]);
works[i] = NULL;
}
}
}
static void avalon_free_work_array(struct thr_info *thr)
{
struct cgpu_info *avalon;
struct work **works;
int i, j, mc, wa;
avalon = thr->cgpu;
avalon->queued = 0;
if (unlikely(!avalon->works))
return;
works = avalon->works;
mc = avalon_infos[avalon->device_id]->miner_count;
wa = avalon->work_array + 1;
if (wa > 3)
wa = 0;
for (i = wa * mc, j = 0; j < mc; i++, j++) {
if (likely(works[i])) {
work_completed(avalon, works[i]);
works[i] = NULL;
@ -758,13 +782,14 @@ static inline void adjust_fan(struct avalon_info *info)
static bool avalon_fill(struct cgpu_info *avalon)
{
struct work *work = get_queued(avalon);
int mc = avalon_infos[avalon->device_id]->miner_count;
if (unlikely(!work))
return false;
if (avalon->queued == avalon_infos[avalon->device_id]->miner_count)
if (avalon->queued >= mc)
return true;
avalon->works[avalon->queued++] = work;
if (avalon->queued == avalon_infos[avalon->device_id]->miner_count)
avalon->works[avalon->work_array * mc + avalon->queued++] = work;
if (avalon->queued >= mc)
return true;
return false;
}
@ -780,6 +805,7 @@ static int64_t avalon_scanhash(struct thr_info *thr)
struct avalon_result ar;
int i;
int avalon_get_work_count;
int start_count, end_count;
struct timeval tv_start, tv_finish, elapsed;
uint32_t nonce;
@ -806,7 +832,9 @@ static int64_t avalon_scanhash(struct thr_info *thr)
tcflush(fd, TCOFLUSH);
#endif
i = 0;
start_count = avalon->work_array * avalon_get_work_count;
end_count = start_count + avalon_get_work_count;
i = start_count;
while (true) {
avalon_init_task(&at, 0, 0, info->fan_pwm,
info->timeout, info->asic_count,
@ -815,7 +843,7 @@ static int64_t avalon_scanhash(struct thr_info *thr)
ret = avalon_send_task(fd, &at, avalon);
if (unlikely(ret == AVA_SEND_ERROR ||
(ret == AVA_SEND_BUFFER_EMPTY &&
(i + 1 == avalon_get_work_count) &&
(i + 1 == end_count) &&
first_try))) {
do_avalon_close(thr);
applog(LOG_ERR, "AVA%i: Comms error(buffer)",
@ -826,7 +854,7 @@ static int64_t avalon_scanhash(struct thr_info *thr)
avalon_init(avalon);
return 0; /* This should never happen */
}
if (ret == AVA_SEND_BUFFER_EMPTY && (i + 1 == avalon_get_work_count)) {
if (ret == AVA_SEND_BUFFER_EMPTY && (i + 1 == end_count)) {
first_try = 1;
return 0xffffffff;
}
@ -908,7 +936,9 @@ static int64_t avalon_scanhash(struct thr_info *thr)
return 0;
}
avalon_free_work(thr);
avalon_free_work_array(thr);
if (++avalon->work_array > 3)
avalon->work_array = 0;
record_temp_fan(info, &ar, &(avalon->temp));
applog(LOG_INFO,

1
miner.h
View File

@ -429,6 +429,7 @@ struct cgpu_info {
};
#ifdef USE_AVALON
struct work **works;
int work_array;
int queued;
#endif
#ifdef USE_USBUTILS