[3.10] bpo-45116: Shrink interpreter by targetted revert of #25244 #28475
Conversation
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
…uces size of each opocde in interpreter.
markshannon
force-pushed
the
de-duplicate-dispatch
branch
from
0dbe733 to
4151b35
Compare
pablogsal
approved these changes
Sep 29, 2021
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
4 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Outdated suggestions cannot be applied.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.
By moving the pre-dispatch code (saving lasti, checking for tracing and advancing the instruction pointer) to just before the switch we save (N-1) copies of it (where N is the number of opcodes).
https://bugs.python.org/issue45116