Made the mem_cache_block lockfree#23
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This *significantly* improves parallel performance of regex. Currently if I have a large number of threads all using regexes; even if they are using idependent regex objects, performance is still extremely poor due to the lock inside of the mem_block_cache.
Collaborator
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This is a good idea, but the patch isn't completely portable just yet. For preference I would like a solution which:
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Author
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sounds good. I will update the pull request. |
Author
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I have updated with the suggested checks. |
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This include is still needed when neither not <boost/atomic.hpp> provide the functionality we require.
Author
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Sorry for the delay. I have updated the pull request with the fixes. |
Collaborator
I'm also backlogged, will get to this shortly, John. |
Collaborator
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Many thanks for this! |
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This significantly improves parallel performance of regex.
Currently if I have a large number of threads all using regexes; even if
they are using idependent regex objects, performance is still extremely poor
due to the lock inside of the mem_block_cache.