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Fix #107704: Release infrequently used memory in Metal buffer pools #108083

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Jeroen Bakker merged 5 commits from Jason-Fielder/blender:MetalMemoryPool_Flushing into blender-v3.6-release 2023-06-01 15:48:36 +02:00
Conversation 0 Commits 5 Files Changed 2 +10 -4
1 changed files with 10 additions and 4 deletions
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Showing only changes of commit 7821c016c8 - Show all commits

14
source/blender/gpu/metal/mtl_memory.mm
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@ -11,6 +11,12 @@
using namespace blender;
using namespace blender::gpu;
/* Memory size in bytes macros, used as pool flushing frequency thresholds. */
#define MEMORY_SIZE_2GB 2147483648LL
#define MEMORY_SIZE_1GB 1073741824LL
#define MEMORY_SIZE_512MB 536870912LL
#define MEMORY_SIZE_256MB 268435456LL
namespace blender::gpu {
/* -------------------------------------------------------------------- */
@ -297,21 +303,21 @@ void MTLBufferPool::update_memory_pools()
* the application is using. */
time_t deletion_time_threshold_s = 600;
/* Spare pool memory >= 2GB. */
if (allocations_in_pool_ >= 2147483648LL) {
if (allocations_in_pool_ >= MEMORY_SIZE_2GB) {
deletion_time_threshold_s = 2;
}
else
/* Spare pool memory >= 1GB. */
if (allocations_in_pool_ >= 1073741824LL)
if (allocations_in_pool_ >= MEMORY_SIZE_1GB)
{
deletion_time_threshold_s = 4;
}
/* Spare pool memory >= 512MB.*/
else if (allocations_in_pool_ >= 536870912LL) {
else if (allocations_in_pool_ >= MEMORY_SIZE_512MB) {
deletion_time_threshold_s = 15;
}
/* Spare pool memory >= 256MB. */
else if (allocations_in_pool_ >= 268435456LL) {
else if (allocations_in_pool_ >= MEMORY_SIZE_256MB) {
deletion_time_threshold_s = 60;
}