BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  New Fastcode library deisgn          BorlandTalk.com Forum Index -> Delphi Language BASM View previous topic :: View next topic   Author Message John O'Harrow Guest Posted: Thu Oct 13, 2005 4:58 pm    Post subject: New Fastcode library deisgn Fellow FastCoders, I have taken the liberty of implementing the new library design, as recently discussed in his group. and have posted the source in the attachments group. I have done this by updating the library provided by Charalabos Michael (is Charalabos your first or second name?) This does not make it an official Fastcode library yet (the voting is still continuing), but it does give programmers an opportunity to access it. Feedback (both Good and Bad) will be appreciated. regards, John Back to top Eric W. Carman Guest Posted: Thu Oct 13, 2005 8:30 pm    Post subject: Re: New Fastcode library deisgn I really like the new design. Haven't used it yet, so just based on a review of the code. (Also, you should include the fastcode.inc file in the attachments at least as an example of what options you have.) Best Regards, Eric "John O'Harrow" <john (AT) elmcrest (DOT) demon.co.uk> wrote Quote: Fellow FastCoders, I have taken the liberty of implementing the new library design, as recently discussed in his group. and have posted the source in the attachments group. I have done this by updating the library provided by Charalabos Michael (is Charalabos your first or second name?) This does not make it an official Fastcode library yet (the voting is still continuing), but it does give programmers an opportunity to access it. Feedback (both Good and Bad) will be appreciated. regards, John Back to top Charalabos Michael Guest Posted: Thu Oct 13, 2005 9:37 pm    Post subject: Re: New Fastcode library deisgn Hello John, Quote: I have taken the liberty of implementing the new library design, as recently discussed in his group. and have posted the source in the attachments group. I have done this by updating the library provided by Charalabos Michael (is Charalabos your first or second name?) This does not make it an official Fastcode library yet (the voting is still continuing), but it does give programmers an opportunity to access it. Feedback (both Good and Bad) will be appreciated. Excellent and more and cleaner! A couple comments: 1) The fastcode.inc is missing (i'm sending you my latest one according to your modifications) 2) In a couple units, in the contributors names you have placed you name twice. And i'm also sending you via mail the latest test project and the FastMove unit. (I've included your "10th" versions from your latest fastmove unit) -- Charalabos Michael - [Creation Power] - http://www.creationpower.com - http://www.creationpower.gr Back to top Charalabos Michael Guest Posted: Thu Oct 13, 2005 9:42 pm    Post subject: Re: New Fastcode library deisgn Hello John, Quote: And i'm also sending you via mail the latest test project and the FastMove unit. (I've included your "10th" versions from your latest fastmove unit) btw, should i start to prepare more challenges or i should wait ? (From voting it seems that the new design will go from now on ...) -- Charalabos Michael - [Creation Power] - http://www.creationpower.com - http://www.creationpower.gr Back to top John O'Harrow Guest Posted: Thu Oct 13, 2005 11:30 pm    Post subject: Re: New Fastcode library deisgn "Charalabos Michael" <chmichael (AT) _-_no_-_creationpower_-_spam_-_ (DOT) com> wrote in message news:434ed42a (AT) newsgroups (DOT) borland.com... Quote: Hello John, And i'm also sending you via mail the latest test project and the FastMove unit. (I've included your "10th" versions from your latest fastmove unit) I would hold fire with Move at the moment. FastMove is unusual in that it doesn't simply replace the existing RTL function with a call to the replacement function. It actually patches a larger portion of the existing RTL code, such that much of the work necessary is done before the appropriate move function is called. (experimentation has shown that over 95% of all moves in a typical application are of less than 32 bytes). Patching Move in the same way as other function will be slower than using FastMove. Quote: btw, should i start to prepare more challenges or i should wait ? (From voting it seems that the new design will go from now on ...) -- Charalabos Michael - [Creation Power] - http://www.creationpower.com - http://www.creationpower.gr Back to top Charalabos Michael Guest Posted: Fri Oct 14, 2005 12:36 am    Post subject: Re: New Fastcode library deisgn Hello John, Quote: I would hold fire with Move at the moment. FastMove is unusual in that it doesn't simply replace the existing RTL function with a call to the replacement function. It actually patches a larger portion of the existing RTL code, such that much of the work necessary is done before the appropriate move function is called. (experimentation has shown that over 95% of all moves in a typical application are of less than 32 bytes). Patching Move in the same way as other function will be slower than using FastMove. Ok! -- Charalabos Michael - [Creation Power] - http://www.creationpower.com - http://www.creationpower.gr Back to top Pierre le Riche Guest Posted: Sat Oct 15, 2005 11:48 am    Post subject: Re: New Fastcode library deisgn Hi John, I noticed there was a discussion earlier about duplicating functions and the maintenance issues it involves. I didn't follow the whole discussion, but have you considered that perhaps we could use include files that only contains the implementation part of each function?We could then include the same file four times into a single .pas for the 4 different alignments, saving a lot of time. Example: unit CompareStrPLR; interface function CompareStrPLR1a(x, y: string): Integer; function CompareStrPLR1b(x, y: string): Integer; function CompareStrPLR1c(x, y: string): Integer; function CompareStrPLR1d(x, y: string): Integer; implementation function CompareStrPLR1a(x, y: string): Integer; {$I CompareStrPLR1.Inc} procedure Pad1; asm nop; end; function CompareStrPLR1b(x, y: string): Integer; {$I CompareStrPLR1.Inc} procedure Pad2; asm nop; end; function CompareStrPLR1c(x, y: string): Integer; {$I CompareStrPLR1.Inc} procedure Pad3; asm nop; end; function CompareStrPLR1d(x, y: string): Integer; {$I CompareStrPLR1.Inc} end. And then CompareStrPLR1.Inc could contain everything from "asm" to "end;" for that function. We could perhaps keep every entrant's submissions in a subfolder, so it doesn't become too cluttered. Could this work? Regards, Pierre Back to top John O'Harrow Guest Posted: Sun Oct 16, 2005 9:32 am    Post subject: Re: New Fastcode library deisgn I like this idea. It removes any possibility of there being any difference between the different aligned version. (I Quite often change one of these 4 to test an idea, and then either fail to put it back or overwrite it with the next B&V release and lose an improvement). With the new type B&V tool layout (as used in IntToStr), it is so quick and easy to add/remove functions, that I no longer need to do this. regards, John I have always considered have 4 differently aligned versions of each function a bit of a superficial exercise, since we have no control over how the function will be aligned outside the B&V. "Pierre le Riche" <pleriche (AT) hotmail (DOT) com> wrote Quote: Hi John, I noticed there was a discussion earlier about duplicating functions and the maintenance issues it involves. I didn't follow the whole discussion, but have you considered that perhaps we could use include files that only contains the implementation part of each function?We could then include the same file four times into a single .pas for the 4 different alignments, saving a lot of time. Example: unit CompareStrPLR; interface function CompareStrPLR1a(x, y: string): Integer; function CompareStrPLR1b(x, y: string): Integer; function CompareStrPLR1c(x, y: string): Integer; function CompareStrPLR1d(x, y: string): Integer; implementation function CompareStrPLR1a(x, y: string): Integer; {$I CompareStrPLR1.Inc} procedure Pad1; asm nop; end; function CompareStrPLR1b(x, y: string): Integer; {$I CompareStrPLR1.Inc} procedure Pad2; asm nop; end; function CompareStrPLR1c(x, y: string): Integer; {$I CompareStrPLR1.Inc} procedure Pad3; asm nop; end; function CompareStrPLR1d(x, y: string): Integer; {$I CompareStrPLR1.Inc} end. And then CompareStrPLR1.Inc could contain everything from "asm" to "end;" for that function. We could perhaps keep every entrant's submissions in a subfolder, so it doesn't become too cluttered. Could this work? Regards, Pierre Back to top Philip von Melle Guest Posted: Sun Oct 16, 2005 1:47 pm    Post subject: Re: New Fastcode library deisgn "John O'Harrow" <john (AT) elmcrest (DOT) demon.co.uk> wrote: Quote: I would hold fire with Move at the moment. FastMove is unusual in that it doesn't simply replace the existing RTL function with a call to the replacement function. It actually patches a larger portion of the existing RTL code, such that much of the work necessary is done before the appropriate move function is called. (experimentation has shown that over 95% of all moves in a typical application are of less than 32 bytes). Patching Move in the same way as other function will be slower than using FastMove. Is this a recommendation against the unofficial FastMove unit available from www.fastcode.dk ? The version there is v2.30 dated 12-FEB-2005. I read some newsgroup posts about FastMove v3.02 - where can I get it from? I am using FastMM4 and there it is recommended to use FastMove in conjunction with FastMM4 (and some conditional defines) and in the new FastCodeLib.zip the recommended uses clause order is FastMM4, FastMove, FastCode. Any recommendations regarding the use of FastMove are appreciated. Regards, Philip Back to top John O'Harrow Guest Posted: Sun Oct 16, 2005 2:39 pm    Post subject: Re: New Fastcode library deisgn "Philip von Melle" <philip.vonmelle (AT) globetrotter (DOT) de> wrote Quote: "John O'Harrow" <john (AT) elmcrest (DOT) demon.co.uk> wrote: Is this a recommendation against the unofficial FastMove unit available from www.fastcode.dk ? The version there is v2.30 dated 12-FEB-2005. The version of FastMove on the old Fastcode site is a fairly old version. It does not include the SSE2 and SSE3 optimized code. It also has a bug in the DEP (Data Execution Prevention) code Quote: I read some newsgroup posts about FastMove v3.02 - where can I get it from? Version 3.02 is still the latest version of FastMove. You should be able to find a copy in the attachments newsgroup. If not, let me know and I will repost it. Quote: I am using FastMM4 and there it is recommended to use FastMove in conjunction with FastMM4 (and some conditional defines) and in the new FastCodeLib.zip the recommended uses clause order is FastMM4, FastMove, FastCode. FastMM4 does not use FastMove itself (it has its own internal moves). FastCodeLib is still as a very early stage in its development. The final layout has not formally agreed yet and there are still many functions to be added. If you are using it now, treat it as "beta" software. Quote: Any recommendations regarding the use of FastMove are appreciated. Simple. Just add FastMove to any uses clause.and that's it. It is a totally independent unit. Note - I may be removing SSE2 support from within FastMove since it offers no speed improvement over SSE, and is therefore just unnecessary code bloat. regards, John Back to top Pierre le Riche Guest Posted: Sun Oct 16, 2005 2:50 pm    Post subject: Re: New Fastcode library deisgn Hi John, Quote: FastMM4 does not use FastMove itself (it has its own internal moves). FastMM's custom move procedures can be switched on and off through conditional defines. I haven't done much testing, but I am quite sure FastMove will be faster with largish blocks. For smaller blocks FastMM uses fixed-size move procedures, so they may be hard to beat. Fortunately the various move procedures can be disabled or enabled separately. I usually recommend using the fixed size move procedures of FastMM, but the variable size move procedure of FastMove. Regards, Pierre Back to top Philip von Melle Guest Posted: Mon Oct 17, 2005 6:34 am    Post subject: Re: New Fastcode library deisgn "John O'Harrow" <john (AT) elmcrest (DOT) demon.co.uk> wrote: Quote: I read some newsgroup posts about FastMove v3.02 - where can I get it from? Version 3.02 is still the latest version of FastMove. You should be able to find a copy in the attachments newsgroup. If not, let me know and I will repost it. It's not there anymore. I'd appreciate if you repost it there, please. Best Regards and thanks for the answers, Philip Back to top John O'Harrow Guest Posted: Mon Oct 17, 2005 8:04 am    Post subject: Re: New Fastcode library deisgn Quote: It's not there anymore. I'd appreciate if you repost it there, please. 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