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gallium/pb_cache: remove pb_cache_entry::end to save space

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just compute it at each use

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26643>
This commit is contained in:
Marek Olšák 2023-12-09 15:39:15 -05:00 • committed by Marge Bot
parent 523a4f71f2
commit 896c8b67cb
2 changed files with 5 additions and 4 deletions
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7
src/gallium/auxiliary/pipebuffer/pb_cache.c
View file

@ -65,7 +65,8 @@ release_expired_buffers_locked(struct list_head *cache,
while (curr != cache) {
entry = list_entry(curr, struct pb_cache_entry, head);
if (!os_time_timeout(entry->start, entry->end, current_time))
if (!os_time_timeout(entry->start, entry->start + entry->mgr->usecs,
current_time))
break;
destroy_buffer_locked(entry);
@ -103,7 +104,6 @@ pb_cache_add_buffer(struct pb_cache_entry *entry)
}
entry->start = os_time_get();
entry->end = entry->start + mgr->usecs;
list_addtail(&entry->head, cache);
++mgr->num_buffers;
mgr->cache_size += buf->size;
@ -171,7 +171,8 @@ pb_cache_reclaim_buffer(struct pb_cache *mgr, pb_size size,
if (!entry && (ret = pb_cache_is_buffer_compat(cur_entry, size,
alignment, usage)) > 0)
entry = cur_entry;
else if (os_time_timeout(cur_entry->start, cur_entry->end, now))
else if (os_time_timeout(cur_entry->start,
cur_entry->start + mgr->usecs, now))
destroy_buffer_locked(cur_entry);
else
/* This buffer (and all hereafter) are still hot in cache */

2
src/gallium/auxiliary/pipebuffer/pb_cache.h
View file

@ -42,7 +42,7 @@ struct pb_cache_entry
struct list_head head;
struct pb_buffer *buffer; /**< Pointer to the structure this is part of. */
struct pb_cache *mgr;
int64_t start, end; /**< Caching time interval */
int64_t start; /**< Cached start time */
unsigned bucket_index;
};