Fix issue 12069 #1906
Merged
Fix issue 12069 #1906
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
On Win32 allocating large blocks (>512K) is forwarded to VirtualAlloc/VirtualFree. Doing these calls is expensive especially in a loop. As a temporary solution a block size of a segmented stack is decreased to ~1/8 of critical size. The code needs to be adapted once allocators are in std.
|
Gives a significant boost on OS X 64-bit as well: Before: LGTM |
|
That is 40 seconds with C-T ?! Bloody hell... |
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Outdated suggestions cannot be applied.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.
On Win32 allocating large blocks (>512K) is forwarded to
VirtualAlloc/VirtualFree. Doing these calls is expensive especially in a
loop. As a temporary solution a block size of a segmented stack is
decreased to ~1/8 of critical size.
The code needs to be adapted once allocators are in std.