Article View: pl.comp.lang.c
Article #308819Re: Jaki dobry profiler?
From: Wojciech Muła
Date: Thu, 06 Oct 2016 16:56
Date: Thu, 06 Oct 2016 16:56
16 lines
2054 bytes
2054 bytes
On Wednesday, October 5, 2016 at 9:19:32 AM UTC+2, slawek wrote: > On Wed, 5 Oct 2016 02:19:23 +0200, Borneq <borneq@antyspam.hidden.pl> > wrote: > > To co się okazało: w działaniach na bitach, gdzie adres wyliczam > przez > > bit/8, VC++ nawet w release nie potrafi zamienić /8 na >>3, ale może > > Bo najnowsze procesory mogą szybko dzielić. Zobacz ile taktów co robi > np. nowy I7. Dzielenie to kilkanaście-kilkadziesiąt cykli opóźnienia versus 1 cykl dla przesunięcia bitowego. Więc to nie jest "szybko", lecz "dramatycznie wolno, unikaj jeśli możesz". w.
Technical Details
Message-ID:
<18cded73-00d5-4497-b924-e6ab30c7ff1e@googlegroups.com>Path:
mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!agh.edu.pl!news.agh.edu.pl!news.cyf-kr.edu.pl!news.nask.pl!news.nask.org.pl!news.unit0.net!weretis.net!feeder6.news.weretis.net!news.glorb.com!l13no622077itl.0!news-out.google.com!w143ni1841itb.0!nntp.google.com!l13no622076itl.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mailReferences:
<nt0r2c$i6$1@node1.news.atman.pl> <nt0sin$203$1@node1.news.atman.pl> <nt16ie$cc3$1@node1.news.atman.pl> <nt16ou$cc3$2@node1.news.atman.pl> <nt1gua$mhp$1@node1.news.atman.pl> <almarsoft.994978940061263360@news.v.pl>Show Full Headers
Complete Article Headers
X-Received: by 10.98.8.17 with SMTP id c17mr2748639pfd.36.1475772971434; Thu, 06 Oct 2016 09:56:11 -0700 (PDT) X-Received: by 10.36.34.20 with SMTP id o20mr199604ito.10.1475772971170; Thu, 06 Oct 2016 09:56:11 -0700 (PDT) Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!agh.edu.pl!news.agh.edu.pl!news.cyf-kr.edu.pl!news.nask.pl!news.nask.org.pl!news.unit0.net!weretis.net!feeder6.news.weretis.net!news.glorb.com!l13no622077itl.0!news-out.google.com!w143ni1841itb.0!nntp.google.com!l13no622076itl.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: pl.comp.lang.c Date: Thu, 6 Oct 2016 09:56:10 -0700 (PDT) In-Reply-To: <almarsoft.994978940061263360@news.v.pl> Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=37.47.134.255; posting-account=VFwkXwoAAADdT4-lLKRZrMYkTjizGoyn NNTP-Posting-Host: 37.47.134.255 References: <nt0r2c$i6$1@node1.news.atman.pl> <nt0sin$203$1@node1.news.atman.pl> <nt16ie$cc3$1@node1.news.atman.pl> <nt16ou$cc3$2@node1.news.atman.pl> <nt1gua$mhp$1@node1.news.atman.pl> <almarsoft.994978940061263360@news.v.pl> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <18cded73-00d5-4497-b924-e6ab30c7ff1e@googlegroups.com> Subject: Re: Jaki dobry profiler? From: Wojciech Muła <wojciech_mula@poczta.onet.pl> Injection-Date: Thu, 06 Oct 2016 16:56:11 +0000 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit