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Date: Thu, 17 Sep 2015 02:09:17 +0300
From: Solar Designer <>
Subject: Re: multi-threaded hash table initialization

On Thu, Sep 17, 2015 at 01:18:41AM +0300, Solar Designer wrote:
> OTOH, maybe the time savings will be greater on even bigger hash lists.

I've just tried with 100M hashes (raw-md5 of numbers 0 to 99999999), and
no.  It's 1:18 on that machine either way.  For the 29M, benchmarking
just the loading now gives me a little over 21 seconds either way.
Maybe there's an improvement from 21.7 to 21.3 or so, but that's very

I think it's a failed experiment for now.  I still think something like
this can be done for a speedup, but not exactly this.


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