Path: csiph.com!usenet.pasdenom.info!aioe.org!.POSTED!not-for-mail From: Walter Banks Newsgroups: comp.arch.embedded Subject: Re: Floating point vs fixed arithmetics (signed 64-bit) Date: Thu, 29 Mar 2012 09:40:27 -0500 Organization: Byte Craft Limited Lines: 27 Message-ID: <4F74745B.D07F58B1@bytecraft.com> References: <--adnfOVp7zu1e7SnZ2dnUVZ_rWdnZ2d@web-ster.com> <9thiigFdvbU2@mid.individual.net> <9tj0pvFmp3U1@mid.individual.net> Reply-To: walter@bytecraft.com NNTP-Posting-Host: tjfYTlKYCN7OZyEdHKuWFA.user.speranza.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@aioe.org X-Mailer: Mozilla 4.79 [en]C-CCK-MCD NSCPCD479 (Windows NT 5.0; U) X-Accept-Language: en X-Notice: Filtered by postfilter v. 0.8.2 Xref: csiph.com comp.arch.embedded:7831 Andrew Reilly wrote: > Benchmarking is important. > > Milage will definitely vary with target and toolchain... > Nothing wakes me up faster than strong coffee than last nights benchmark results. Benchmarking code fragments are important, but benchmarking applications can be a real eyeopener. There is nothing more humbling than adding a clever optimization to a compiler and discovering that 75% of the regression applications just got slower and larger as a result. Walter..