Message 298291 - Python tracker

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Author	serhiy.storchaka
Recipients	davin, dtasev, sbt, serhiy.storchaka
Date	2017-07-13.15:43:27
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1499960607.8.0.26985650288.issue30919@psf.upfronthosting.co.za>
In-reply-to

Content
It can be significantly sped up if replace the writing loop with if size: os.lseek(self.fd, size, 0) os.write(self.fd, b'') os.lseek(self.fd, 0, 0) or just with os.truncate(self.fd, size) (not sure the latter always works). But instantiating an open Arena will still be slower than in 2.7.

It can be significantly sped up if replace the writing loop with if size: os.lseek(self.fd, size, 0) os.write(self.fd, b'') os.lseek(self.fd, 0, 0) or just with os.truncate(self.fd, size) (not sure the latter always works). But instantiating an open Arena will still be slower than in 2.7.

History
Date	User	Action	Args
2017-07-13 15:43:27	serhiy.storchaka	set	recipients: + serhiy.storchaka, sbt, davin, dtasev
2017-07-13 15:43:27	serhiy.storchaka	set	messageid: <1499960607.8.0.26985650288.issue30919@psf.upfronthosting.co.za>
2017-07-13 15:43:27	serhiy.storchaka	link	issue30919 messages
2017-07-13 15:43:27	serhiy.storchaka	create