latest svn rev 11720 become cpu hungry

Nick Mathewson nickm at freehaven.net
Tue Oct 2 01:24:09 UTC 2007


On Sun, Sep 30, 2007 at 09:44:28PM +0800, Li-Hui Zhou wrote:
> MinGW build 32-bit, latest svn rev. 11720 become cpu hungry when
> starting tor.exe as client only.

Actually, I think this is an old bug; let me know if r11738 is any
better?  I found a nasty issue in router_parse_list_from_string that
gave O(n^2) performance in some cases.

> Maby recent optimization for 64-bit platform has something to do with this
> poor performance on a 32-bit platform.

Unlikely; the only 64-bit optimization was in digest-to-hash
calculation, and the 32-bit code there remained unchanged.

-- 
Nick Mathewson
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