Will do, though I am not expecting great results given what we know now. I'll post the numbers as soon as I can get it done.
On Jan 20, 2008, at 11:05 PM, Ronald Oussoren wrote: > > On 20 Jan, 2008, at 19:23, Daniel Lord wrote: > >> I ran the test on my 1st Gen Quad Core ( 2 x Quad-core 3.0 GHz, 13GB >> RAM) and was a bit surprised to see little improvement over the Core >> Duo numbers. >> >> 63019.7 pystones/second >> >> I am assuming the GIL is limiting threading and therefore I am >> really >> running on one or two cores--hence the tangible improvement is just >> CPU speed: from 2.33 GHz to 3.0 GHz and a bit of the memory bandwidth >> increase as well. > > Pystone is completely single-threaded. Beyond that multi-threaded > Python code cannot make optimal use from multiple CPU's unless most > threads run C code (due to the GIL). >> >> >> This is the 32-bit number, I'll find some time to try 64-bit--but >> first want to make sure it doesn't mess up my system as I am using >> Apple Python 2.5.1 exclusively right now and want to avoid the split >> brain problem. > > That's easy enough: install the 64-bit version in a location that is > not on your shell's search path, and don't install it as a framework. > > Ronald > >> >> >> Daniel >> >> On Jan 20, 2008, at 1:27 AM, Ronald Oussoren wrote: >> >>> >>> On 19 Jan, 2008, at 21:43, [EMAIL PROTECTED] wrote: >>> >>>> >>>> My Powerbook G4 is getting rather long-in-the-tooth. It's >>>> display is >>>> starting to act up, so I think I'm going to buy a new Mac something >>>> in the >>>> fairly near future, but I'm not yet sure what. To that end, I've >>>> started a >>>> table of pystone numbers for Macs on the Python wiki: >>>> >>>> http://wiki.python.org/moin/MacPython/MacModelPerformance >>>> >>>> If you could help by adding some rows to the table, especially for >>>> current >>>> MacBook, MacBook Pro or (in the near future, MacBook Air) models, >>>> I'd >>>> appreciate it. >>> >>> I've posted some numbers as well, which in itself doesn't warrent an >>> e-mail. What is interesting though is the difference between 32-bit >>> and 64-bit code: >>> >>> Python 2.5.2a0 (60124) >>> >>> 32-bit: 52083 >>> 64-bit: 60871 >>> >>> 64-bit code is significantly faster here (all of this on a MacBook >>> Pro 2.33Ghz/3GByte) >>> >>> Ronald >>>> >>>> >>>> Thanks, >>>> >>>> -- >>>> Skip Montanaro - [EMAIL PROTECTED] - http://www.webfast.com/~skip/ >>>> >>>> The major difference between Democrats and Republicans is that >>>> Republicans don't know that Randy Newman's lyrics are full of >>>> sarcasm. >>>> _______________________________________________ >>>> Pythonmac-SIG maillist - Pythonmac-SIG@python.org >>>> http://mail.python.org/mailman/listinfo/pythonmac-sig >>> >>> _______________________________________________ >>> Pythonmac-SIG maillist - Pythonmac-SIG@python.org >>> http://mail.python.org/mailman/listinfo/pythonmac-sig >> >> _______________________________________________ >> Pythonmac-SIG maillist - Pythonmac-SIG@python.org >> http://mail.python.org/mailman/listinfo/pythonmac-sig > _______________________________________________ Pythonmac-SIG maillist - Pythonmac-SIG@python.org http://mail.python.org/mailman/listinfo/pythonmac-sig
