Closed GoogleCodeExporter closed 8 years ago
Original comment by collinw
on 15 Jul 2009 at 8:41
Added TSC instrumentation in r743.
From bm_django.py -n 1:
for transitions from LOAD_GLOBAL_ENTER_EVAL to LOAD_GLOBAL_EXIT_EVAL:
occurrences: 205222
median delta: 276.0
mean delta: 15809.3157459
min delta: 228
max delta: 521121456
stddev: 1773216.81854
for transitions from LOAD_GLOBAL_ENTER_LLVM to LOAD_GLOBAL_EXIT_LLVM:
occurrences: 1668332
median delta: 360.0
mean delta: 15994.3224634
min delta: 252
max delta: 724745844
stddev: 1998407.29119
Original comment by collinw
on 16 Jul 2009 at 4:11
r749 adds sys.setbailerror(), useful for making sure that we're not failing
guards where
we don't expect to be (ie, make sure we're actually using the machine code
versions
where).
Original comment by collinw
on 21 Jul 2009 at 5:27
Committed as r815.
(Dapper; i486-linux-gnu; gcc 4.0.3; Core 2 6600 @ 2.40GHz)
./perf.py -r -b
ai,slowspitfire,call_simple,2to3,rietveld,django,slowpickle,slowunpickle --args
"-j always" ../a/python ../b/python
ai:
Min: 0.466231 -> 0.457457: 1.92% faster
Avg: 0.468500 -> 0.459558: 1.95% faster
Significant (t=29.396645, a=0.95)
Stddev: 0.00171 -> 0.00252: 32.28% larger
2to3:
Min: 69.455441 -> 63.814299: 8.84% faster
Avg: 69.485237 -> 63.848094: 8.83% faster
Significant (t=179.726302, a=0.95)
Stddev: 0.04656 -> 0.05245: 11.22% larger
call_simple:
Min: 1.311656 -> 0.980650: 33.75% faster
Avg: 1.317529 -> 0.986582: 33.54% faster
Significant (t=1188.927520, a=0.95)
Stddev: 0.00229 -> 0.00158: 45.26% smaller
django:
Min: 1.003850 -> 0.922123: 8.86% faster
Avg: 1.008057 -> 0.924197: 9.07% faster
Significant (t=243.432452, a=0.95)
Stddev: 0.00277 -> 0.00205: 35.42% smaller
rietveld:
Min: 0.555269 -> 0.530369: 4.69% faster
Avg: 0.560270 -> 0.535943: 4.54% faster
Significant (t=19.701851, a=0.95)
Stddev: 0.00791 -> 0.00948: 16.58% larger
slowpickle:
Min: 0.641616 -> 0.617384: 3.92% faster
Avg: 0.642830 -> 0.617874: 4.04% faster
Significant (t=150.344545, a=0.95)
Stddev: 0.00165 -> 0.00021: 674.33% smaller
slowspitfire:
Min: 0.659548 -> 0.661412: 0.28% slower
Avg: 0.661986 -> 0.664182: 0.33% slower
Significant (t=-5.837525, a=0.95)
Stddev: 0.00226 -> 0.00301: 25.10% larger
slowunpickle:
Min: 0.275447 -> 0.268517: 2.58% faster
Avg: 0.275702 -> 0.268875: 2.54% faster
Significant (t=109.194368, a=0.95)
Stddev: 0.00014 -> 0.00061: 76.95% larger
--with-tsc stats:
Dapper; i486-linux-gnu; gcc 4.0.3; Core 2 6600 @ 2.40GHz
PYTHONPATH=../tests/lib/django/ ./python ../tests/performance/bm_django.py -n
1
trunk@head:
for transitions from LOAD_GLOBAL_ENTER_LLVM to LOAD_GLOBAL_EXIT_LLVM:
occurrences: 1668332
median: 414.0
inter-decile mean: 419.504765986
min delta: 297
max delta: 301086
inter-decile stddev: 43.909562956
this patch:
for transitions from LOAD_GLOBAL_ENTER_LLVM to LOAD_GLOBAL_EXIT_LLVM:
occurrences: 1668332
median: 279.0
inter-decile mean: 279.6894444
min delta: 252
max delta: 96075
inter-decile stddev: 10.0954254049
Original comment by collinw
on 28 Aug 2009 at 10:27
Original issue reported on code.google.com by
collinw
on 14 Jul 2009 at 9:52