CommandQueueMT: Pre-allocate memory to avoid a bunch of allocations at startup
#91727
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
akien-mga
approved these changes
May 9, 2024
RandomShaper
force-pushed
the
cmd_queue_prealloc
branch
from
ccbc5ca
to
c0529dc
Compare
|
Thanks! |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
There was an unused
DEFAULT_COMMAND_MEM_SIZE_KBconstant. I've not been able to find if it had ever been used. However, it's not a bad idea to preallocate a bit of memory so the first bunch of commands added to the queue don't cause reallocations. Not a big deal, but very easy to prevent.I've lowered the pre-allocation size constant from 256 KiB to 64 KiB to be a bit more conservative. A lot of commands already fit there and exponential growth will take care of further needs just fine.
Made on top of #91725 because of the conflicts.