Buffering and optimization

twyK — Wed, 14 Jun 2017 15:50:52 +0000

This article is such interesting, if you have got others like this please post them

Buffering and optimization

B3h3m0th — Wed, 14 Jun 2017 12:38:20 +0000

You’re right @kowalski, It’s a new risk mitigation feature for OpenBSD, however pledge() was born for security purposes, it is not for optimization.

It works really well

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Buffering and optimization

kowalski — Wed, 14 Jun 2017 10:51:01 +0000

but OpenBSD does have something cool, pledge().

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Buffering and optimization

B3h3m0th — Wed, 14 Jun 2017 10:00:16 +0000

Great work @sagittarius-a

just for info, GNU coreutils is still the fastest because it works on buffer cache directly.

I have an old ibook G3 (late 2001, 256MB RAM, 750fx PPC cpu) with OpenBSD -current on it.

The result is: 3.08MiB/s, really really slow.

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Buffering and optimization

sagittarius-a — Wed, 14 Jun 2017 07:00:22 +0000

Very good article indeed. I stumbled across this this morning. I found it quite interesting.

yes source code comparison (click for more details)

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Buffering and optimization

B3h3m0th — Tue, 13 Jun 2017 11:51:02 +0000

Hello. The link is now fixed.

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Buffering and optimization

_py — Tue, 13 Jun 2017 11:40:09 +0000

Hello there,

Thank you for sharing it! I’d like to request from now on not to post URL shorteners because this is an InfoSec community and some folks might be intimidated/skeptical about clicking it.

I hope you understand. Take care and enjoy our community!

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Buffering and optimization

B3h3m0th — Tue, 13 Jun 2017 11:27:13 +0000

One of the best article on buffering (buffer cache) / optimization I ever have read.

How is GNU yes so fast?

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