From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham
	autolearn_force=no version=3.4.4
X-Google-Thread: 107079,9d9cef47f5d1976c
X-Google-Thread: 103376,ec0aac9465177ad0
X-Google-Attributes: gid107079,gid103376,public
X-Google-Language: ENGLISH,ASCII-7-bit
Path: 
 g2news2.google.com!news1.google.com!news3.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local01.nntp.dca.giganews.com!nntp.comcast.com!news.comcast.com.POSTED!not-for-mail
NNTP-Posting-Date: Wed, 04 Oct 2006 23:18:06 -0500
From: tmoran@acm.org
Newsgroups: sci.math.num-analysis,comp.lang.ada
Subject: Re: Multithreaded scientific programming
References: <1160007272.875375.190830@b28g2000cwb.googlegroups.com>
X-Newsreader: Tom's custom newsreader
Message-ID: <jqOdnSEBdO_jGrnYnZ2dnUVZ_tqdnZ2d@comcast.com>
Date: Wed, 04 Oct 2006 23:18:06 -0500
NNTP-Posting-Host: 67.164.83.70
X-Trace: 
 sv3-9afwLiV28JCtkINESzlZTc7Pqcz+iSlcUyFbVqJri/nR3cFp2xzJs9TKEtvNlwNIaTBUkk67/UXthmn!LOSzEzR4ALswPlqrAJCuxdc2Mme4l051Y5e6AFXr1hGaG4jubv6mkm6w8MRYtjz6UDNCVVMYmXSR!t418XM7YFTU/3w==
X-Complaints-To: abuse@comcast.net
X-DMCA-Complaints-To: dmca@comcast.net
X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers
X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint
 properly
X-Postfilter: 1.3.32
Xref: g2news2.google.com sci.math.num-analysis:6273 comp.lang.ada:6876
Date: 2006-10-04T23:18:06-05:00
List-Id: <comp.lang.ada>

After getting a dual-core (Windows) machine I modified my Ada library
2-D FFT to take a CPU_Count parameter and do the job using that
many separate tasks.  Two Ada tasks makes a very pleasing speedup.
Whether 80 would help, and what size cache you might want, I'll
be curious to find out.