Re: Data and common sense about PIV optimizations, Gcc and the Intelcompiler;
Didn't we just do this thread a few month ago? Mid October, subject: optimised glibc Me, Jean, and Florin atleast. Dan, Check the list archives for that one. Jean Francois Martinez wrote: At least if you are using a PIII. Let's remember that RedHat's ordinary Or athlon. While I'd like an optimized glibc, I suspect it would take a lot of work to find the correct tuning, just adding -O3 or msrch=athlon won't do it. Glibc is to complex. I don't know for PIV. For Athlon I can only do an educated guess: AMD knows well most of the time its processors will be running code who has been optimized for Intel ones AMD cannot make processors whose performance crumbles if sequence is not exactly optimized for them. So AMD processors have either to be agnostic (ie sequnce A and sequence B are equally fast on them) or haves speed tables close to the speed table of their main Intel rival (ie if A is faster than B on Intel, AMD will ensure it is also faster on Athlon). That is why I doubt compiling No, only that A is as fast on AMD as on Intel. B could be faster on AMD, but it will seldom be used. Read the Optimization guidelines for Athlon. Not sure if it has changed in Intel CPUs, but for the Athlon,FEMMS and EMMS are the fastes way to clear the FP stack, but that was very slow on Intel. The Intel recomended way was still fast, but there was a faster way in the Athlon. I have a copy of it, Doc #22007, Rev. I, September 2000, AMD Athlon Processor x86 Code Optimization Guide New revs would cover the newer CPUs, but I doubt much has changed. I can forward it to anyone (3 MB), or you can get the newest from AMD, either download, or request a free CD of all the current AMD docs http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/22007.pdf is rev K, Feb. 2002. http://www.amd.com/us-en/Processors/DevelopWithAMD/0,,30_2252_739_1055,00.html has instructions to get the current CD. -Thomas ___ Redhat-devel-list mailing list [EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-devel-list
RE: Problem Compiling Linux Kernel 2.4.20
On Mon, 2002-12-16 at 14:45, Joseph D. Wagner wrote: [root@localhost linux-2.4.20]# make xconfig cat header.tk ./kconfig.tk ./tkparse ../arch/i386/config.in kconfig.tk -: 6: unknown command make[1]: *** [kconfig.tk] Error 1 Did you installed the Tcl and Tk stuff? -- Florin Andrei When it comes to discussing Linux, some people become temporarily insane. ___ Redhat-devel-list mailing list [EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-devel-list
RE: Problem Compiling Linux Kernel 2.4.20
It (make xconfig) works fine on the 2.4.18-3 kernel that comes pre-installed with Redhat 7.3. It just doesn't work with the kernel I downloaded from http://www.kernel.org (version 2.4.20). -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Florin Andrei Sent: Tuesday, December 17, 2002 11:35 AM To: [EMAIL PROTECTED] Subject: RE: Problem Compiling Linux Kernel 2.4.20 On Mon, 2002-12-16 at 14:45, Joseph D. Wagner wrote: [root@localhost linux-2.4.20]# make xconfig cat header.tk ./kconfig.tk ./tkparse ../arch/i386/config.in kconfig.tk -: 6: unknown command make[1]: *** [kconfig.tk] Error 1 Did you installed the Tcl and Tk stuff? -- Florin Andrei When it comes to discussing Linux, some people become temporarily insane. ___ Redhat-devel-list mailing list [EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-devel-list ___ Redhat-devel-list mailing list [EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-devel-list
Re: Problem Compiling Linux Kernel 2.4.20
Hi, Joseph (1) I can do make xconfig 2.4.20 on RedHat Linux 8.0(LANG=C CC=gcc296). (2) I did some experiment. slime% cd /usr/src/v2.4/linux-2.4.20 slime% ./scripts/tkparse ^M... CNTL-V + CNTL-M + RET -: 1: unknown command slime% Are there extra \r charactors in your config.in file ? -- Yasuo Yamasaki ./tkparse ../arch/i386/config.in kconfig.tk -: 6: unknown command ___ Redhat-devel-list mailing list [EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-devel-list
