On Mon, May 27, 2002 at 12:32:31AM -0400, Tim Peters wrote: > I finally got around to applying Oren's patch. Nice work, BTW! Here are > before-and-after timings for the test program I posted before. This is > current CVS, release build, Win98SE, MSVC 6, 866MHz: > > seconds > function before after % speedup > -------- ------ ----- --------- > fastlocals 2.40 2.39 0 > globals_via_load_global 3.27 2.53 29 > locals_via_load_name 3.46 2.66 30 > globals_via_load_name 4.56 2.82 62 > builtins_via_load_global 5.99 4.04 48 > builtins_via_load_name 7.12 4.84 47 > Here are before-and-after timings for your test program. Python 2.2.1, Linux, gcc 2.96, 866MHz: function before after % speedup -------- ------ ----- --------- fastlocals 2.63 2.58 2 (?!?) globals_via_load_global 4.04 3.43 18 builtins_via_load_global 7.87 5.64 40 Again, without INLINE_DICT_GETITEM_INTERNED: function before after % speedup -------- ------ ----- --------- fastlocals 2.63 2.59 2 globals_via_load_global 4.04 3.55 14 builtins_via_load_global 7.87 5.66 39 It looks like the inline macro doesn't really account for much the improvement. Oren
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