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Code Issues Releases Wiki Activity

Use replacement of work items in the avalon buffer as needed instead of flushing them.

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This commit is contained in:
Con Kolivas 2013-04-08 15:05:30 +10:00
parent 1c4d1ac863
commit 8a90b5dd10
1 changed files with 16 additions and 27 deletions
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43
driver-avalon.c
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@ -705,29 +705,6 @@ static void avalon_free_work(struct thr_info *thr)
}
}
static void avalon_free_work_array(struct thr_info *thr)
{
struct cgpu_info *avalon;
struct work **works;
int i, j, mc;
avalon = thr->cgpu;
avalon->queued = 0;
if (unlikely(!avalon->works))
return;
works = avalon->works;
mc = avalon_infos[avalon->device_id]->miner_count;
if (++avalon->work_array > 3)
avalon->work_array = 0;
for (i = avalon->work_array * mc, j = 0; j < mc; i++, j++) {
if (likely(works[i])) {
work_completed(avalon, works[i]);
works[i] = NULL;
}
}
}
static void do_avalon_close(struct thr_info *thr)
{
struct avalon_result ar;
@ -794,9 +771,11 @@ static inline void adjust_fan(struct avalon_info *info)
}
}
/* We use a replacement algorithm to only remove references to work done from
* the buffer when we need the extra space for new work. */
static bool avalon_fill(struct cgpu_info *avalon)
{
int subid, mc = avalon_infos[avalon->device_id]->miner_count;
int subid, slot, mc = avalon_infos[avalon->device_id]->miner_count;
struct work *work;
if (avalon->queued >= mc)
@ -806,12 +785,22 @@ static bool avalon_fill(struct cgpu_info *avalon)
return false;
subid = avalon->queued++;
work->subid = subid;
avalon->works[avalon->work_array * mc + subid] = work;
slot = avalon->work_array * mc + subid;
if (likely(avalon->works[slot]))
work_completed(avalon, avalon->works[slot]);
avalon->works[slot] = work;
if (avalon->queued >= mc)
return true;
return false;
}
static void avalon_rotate_array(struct cgpu_info *avalon)
{
avalon->queued = 0;
if (++avalon->work_array > 3)
avalon->work_array = 0;
}
static int64_t avalon_scanhash(struct thr_info *thr)
{
struct cgpu_info *avalon;
@ -874,7 +863,7 @@ static int64_t avalon_scanhash(struct thr_info *thr)
}
if (ret == AVA_SEND_BUFFER_EMPTY && (i + 1 == end_count)) {
first_try = 1;
avalon_free_work_array(thr);
avalon_rotate_array(avalon);
return 0xffffffff;
}
@ -951,7 +940,7 @@ static int64_t avalon_scanhash(struct thr_info *thr)
return 0;
}
avalon_free_work_array(thr);
avalon_rotate_array(avalon);
record_temp_fan(info, &ar, &(avalon->temp));
applog(LOG_INFO,