-
Notifications
You must be signed in to change notification settings - Fork 1.5k
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
find_first_of
vectorized: generalize fast approach for 4 and 8 bytes elements
#4623
Merged
StephanTLavavej
merged 5 commits into
microsoft:main
from
AlexGuteniev:big_types_big_needles
Apr 26, 2024
Merged
find_first_of
vectorized: generalize fast approach for 4 and 8 bytes elements
#4623
StephanTLavavej
merged 5 commits into
microsoft:main
from
AlexGuteniev:big_types_big_needles
Apr 26, 2024
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
There are unexpected changes in benchmark results in other lines (presumably due to different loop alignments), but the target for this optimization are the following, where the needle is too big to fit AVX2 reg: Before:
After:
|
StephanTLavavej
approved these changes
Apr 24, 2024
I'm mirroring this to the MSVC-internal repo - please notify me if any further changes are pushed. |
Faster! Faster! FASTER! 😸 🚀 🚀 |
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Outdated suggestions cannot be applied.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.
Before:
After: