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: 103376,cd86d70d109cd9b1 X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.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: Fri, 22 Dec 2006 00:14:44 -0600 From: tmoran@acm.org Newsgroups: comp.lang.ada Subject: Re: multicore-multithreading benchmarks References: X-Newsreader: Tom's custom newsreader Message-ID: Date: Fri, 22 Dec 2006 00:14:45 -0600 NNTP-Posting-Host: 67.164.83.70 X-Trace: sv3-enSLfNkQL10RsaO3nrIin7zvt7pEtV7ry4mkgX6YhgXgERimoNSyXMT4u4eDHu3kB5p7pEqglMifO+O!Taprkt7Xgyc/Gf+swVEqPihQw7cz1JXD6m8ueMA/K0LgvtopuJBq4pIuzabTR9LyeNdVwtEjdkjU!L0ct6gXe0EVEzQ== 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 comp.lang.ada:7981 Date: 2006-12-22T00:14:45-06:00 List-Id: >Karl Nyberg was kind enough to run the N-CPU quicksort test on his Sun >"Try and Buy" evaluation T1000, with 8 cores, 4 threads per core and got Karl did additional runs using up to 32 tasks. Going from 1 to 4 tasks more than tripled the speed. Adding another 28 tasks, for a total of 32, gave nearly another doubling of the speed (approximately 3% improvement for each additional task).