Message 198429 - Python tracker

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Author	vstinner
Recipients	pitrou, serhiy.storchaka, vstinner
Date	2013-09-26.07:32:15
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1380180735.7.0.740735572714.issue19087@psf.upfronthosting.co.za>
In-reply-to

Content
> Mercurial has another implementation strategy for a similar thing: > http://selenic.com/repo/hg/file/50d721553198/mercurial/util.py#l935 I found an interesting comment in the following issue: "I think the trouble we get into is chunkbuffer() creates new large strings by concatenation and causes memory fragmentation. Keeping a list of chunks might be more efficient." http://bz.selenic.com/show_bug.cgi?id=1842#c17 @Antoine: Do you know if your patch may reduce the memory fragmentation on "bytearray front-slicing"?

> Mercurial has another implementation strategy for a similar thing:
> http://selenic.com/repo/hg/file/50d721553198/mercurial/util.py#l935

I found an interesting comment in the following issue:

"I think the trouble we get into is chunkbuffer() creates new large strings by concatenation and causes memory fragmentation. Keeping a list of chunks might be more efficient."

http://bz.selenic.com/show_bug.cgi?id=1842#c17

@Antoine: Do you know if your patch may reduce the memory fragmentation on "bytearray front-slicing"?

History
Date	User	Action	Args
2013-09-26 07:32:15	vstinner	set	recipients: + vstinner, pitrou, serhiy.storchaka
2013-09-26 07:32:15	vstinner	set	messageid: <1380180735.7.0.740735572714.issue19087@psf.upfronthosting.co.za>
2013-09-26 07:32:15	vstinner	link	issue19087 messages
2013-09-26 07:32:15	vstinner	create