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Article #15197Re: __fastcall - Where should I use it?
From: Andrue Cope
Date: Thu, 10 Jul 2003 11:40
Date: Thu, 10 Jul 2003 11:40
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Malcolm Smith, > Non VCL classes perform better > without it. I have a class that improved by 13% in terms of performance > when I removed the __fastcall. > Our experience is the reverse. We use __fastcall for any frequently called but simple function. It may be that __fastcall makes things worse for complex functions due to the contraints it imposes on the optimiser by reserving registers. -- Andrue Cope [Bicester, UK]
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10cc67,cafd0a3f947fe702 X-Google-Attributes: gid10cc67,public X-Google-ArrivalTime: 2003-07-10 04:44:11 PST Date: Thu, 10 Jul 2003 12:40:51 +0100 Newsgroups: borland.public.cppbuilder.nativeapi Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Newsreader: Virtual Access by Atlantic Coast PLC, http://www.atlantic-coast.com/va Message-ID: <VA.00001de7.00d781c2@email.address.sorry> Subject: Re: __fastcall - Where should I use it? From: Andrue Cope <not.a.valid@email.address.sorry> Reply-To: not.a.valid@email.address.sorry References: <oprr23nbz2bq7az6@newsgroups.borland.com> <3f0d4c19$1@newsgroups.borland.com> NNTP-Posting-Host: 217.207.223.34 X-Trace: newsgroups.borland.com 1057837297 217.207.223.34 (10 Jul 2003 04:41:37 -0700) Lines: 15 Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-06!sn-xit-09!supernews.com!newshosting.com!news-xfer1.atl.newshosting.com!216.166.71.118.MISMATCH!small1.nntp.aus1.giganews.com!border1.nntp.aus1.giganews.com!nntp.giganews.com!newsfeeds.ihug.co.nz!ihug.co.nz!newsgroups.borland.com!not-for-mail