Make load_from_memory generic to improve compile times#2470
Merged
197g merged 4 commits intoimage-rs:mainfrom Jun 6, 2025
Merged
Make load_from_memory generic to improve compile times#2470197g merged 4 commits intoimage-rs:mainfrom
load_from_memory generic to improve compile times#2470197g merged 4 commits intoimage-rs:mainfrom
Conversation
Member
|
I didn't realize |
197g
approved these changes
May 24, 2025
Member
197g
left a comment
There was a problem hiding this comment.
Would you add some comment that documents the reason for the generic? It would be nice to have at least some resistance to regressing. (Also I'm a little curious as to why the compile time cost is that large…, it would seem to be just a bit of codegen, but probably also affects the number of linked items dramatically).
This was referenced Aug 31, 2025
This file contains hidden or 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
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
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Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be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.
Currently, the
load_from_memory[_with_format]methods cause rustc to generate code for them when compiling the image crate, even if downstream code never decodes images from in-memory buffers. This PR changes them to be generic so that they only get monomorphized only if they are actually used.Reduces time for release builds by ~1.2 seconds on my machine.
See also: #2468, #2469