Author: Fabien Letouzey
Date: 07:49:27 03/30/04
Go up one level in this thread
On March 30, 2004 at 10:30:39, Slater Wold wrote: >On March 30, 2004 at 04:40:06, Fabien Letouzey wrote: > >>On March 30, 2004 at 04:25:25, Peter Fendrich wrote: >> >>>On March 30, 2004 at 01:35:13, Slater Wold wrote: >>> >>>>64-bit Gerbil compiled with -O2 -Og -Ot -Oy -Oi -Ob2 -GL: >>>> >>>>1,098,625 N/sec on opening position for 30s. >>>> >>>>32-bit Gerbil compiled with -O2 -Og -Ot -Oy -Oi -Ob2 -GL: >>>> >>>>1,094,747 N/sec on opening position for 30s. >>>> >>>> >>>>32-bit Gerbil that comes with source: >>>> >>>>1,115,953 N/sec on opening position for 30s. >>> >>> >>>What is 64-bit Gerbil - a re-write to 64-bit code or the same Gerbil on a 64-bit >>>cpu? >>>/Peter >> >>I think what Slater is doing is to compile source code with the same compiler in >>32-bit and 64-bit modes and compare the speed. I don't think he modifies the >>source code in any way, so it is not a re-write. >> >>The tests are probably all made on the same 64-bit hardware. >> >>Fabien. > >Correct. > >I had planned to take the program with the slowest speedup, and try to clean it >up for 64-bit. Looking like Fruit, so far! :) Maybe it's just that Fruit is perfectly optimised for 32-bit hardware ;) Any clue so far, apart from the index signed-extension thing? Fabien.
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