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Date:      Thu, 16 Sep 2004 12:20:02 -0400
From:      Chuck Swiger <cswiger@mac.com>
To:        "Hall, Charles V" <Charles.Hall@Nav-International.com>
Cc:        "'freebsd-performance@freebsd.org'" <freebsd-performance@freebsd.org>
Subject:   Re: Compression performance
Message-ID:  <4149BD32.9010905@mac.com>
In-Reply-To: <1188E2959811D511B35600508B63A90B0B25489F@CANXSPN2.can.navistar.com>
References:  <1188E2959811D511B35600508B63A90B0B25489F@CANXSPN2.can.navistar.com>

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Hall, Charles V wrote:
> I'm running 4.10 prod on an Intel P4 and I want to maximize compression
> (i.e. /usr/bin/compress) performance--this seems to be my current
> bottleneck.
> 
> What steps can I take to accomplish this?  (ZLIB, FPU support, anything
> else?)

Try using 'gzip --fast' instead of 'compress', assuming you are concerned with 
minimizing the CPU time required to compress files.  These types of 
compression algorithms use integer operations almost exclusively; the FPU 
isn't used significantly.

-- 
-Chuck



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