On Sun, Dec 11, 2016 at 5:11 PM, Bruce Dubbs <[email protected]> wrote:
> akhiezer wrote: > >> From: Bruce Dubbs <[email protected]> >>> Date: Sun, 11 Dec 2016 11:29:42 -0600 >>> Subject: [lfs-dev] LFS and 32-bit systems >>> >>> Do any of you still have a 32-bit Intel system that you use to test/run >>> LFS? >>> >> >> >> 'Yes', nine different 32-bit machines; plus three 64-bit running 32-bit >> os. >> >> *BUT*, these are for not-by-the-books builds: instead, they're for >> builds/tests that derive in parts from the books. >> >> >> >>> I am thinking about rewriting the LFS preface section on architecture to >>> say: >>> >>> The primary target architecture of LFS is the AMD/Intel x86_64 (64-bit) >>> CPU. In addition instructions are included that allow a build on older >>> 32-bit Intel CPUs, but testing is not regularly done on that >>> architecture. >>> >> >> >> s/regularly done/done regularly/ >> > > Minor, but OK. > > The instructions in this book are also known to work, with some >>> modifications, with the Power PC and ARM CPUs. ... >>> >>> I would then remove the second and third paragraphs and the small table >>> between them. >>> >>> >> >> Both paras and table are ok to leave in, until as/when 32-bit is >> dropped altogether. >> > > When I originally did that, the stats were from a Core2Duo as documented. > Even that is a bit long-in-the-tooth. I don't know how valid that > comparison is today. > > It may be useful/'nice' to include stats from recent by-the-book 32-/64- >> bit (properly-comparable) builds. >> > > I could do that if I had the stats. I don't have a reasonable way to > compare today. I don't think giving numbers for a 3.3 GHz i7-5820K really > is a good platform for the stats. > > My latest build took 64 minutes (vice Core2 at 190.6 minutes), but that > was at -j8 and omitted some, but not all tests in chapter 6. > > -- Bruce > I can remotely wake up my Core2 if you want those stats (same system, not much has changed). I have a Xeon-based system here already with a 2.6 GHz CPU with 4 cores if you want those instead.
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