[Python-Dev] [ANN] VPython 0.1 (original) (raw)

Jeffrey Yasskin jyasskin at gmail.com
Sun Nov 30 23:19:32 CET 2008

Here's another data point. My results are similar to Skip's (unsurprising since I'm also using a mac). My wild guess is that the 30% vs 10% improvement is an AMD vs. Intel thing? It's not 32-bit vs. 64-bit since both David and Jakob got a 30% speedup, but David had a 32-bit build while Jakob had a 64-bit build.

There's also a crashing bug on: def f(): a+=1 f() I have a fix by changing the load_fast opcode to adjust the stack on error, but it requires removing all the superinstructions involving load_fast, which costs me 1-2% in performance. The fix is not included in these numbers.

PYBENCH 2.0

Benchmark: /Users/jyasskin/src/python/bzr/2.6_cxx/build_c4.0/pybench.out

Rounds: 10 Warp: 10 Timer: time.time

Machine Details: Platform ID: Darwin-9.5.0-i386-32bit Processor: i386

Python: Implementation: CPython Executable: /Users/jyasskin/src/python/bzr/2.6_cxx/build_c4.0/python.exe Version: 2.6.0 Compiler: GCC 4.0.1 (Apple Inc. build 5484) Bits: 32bit Build: Nov 19 2008 09:14:51 (#unknown) Unicode: UCS2

Comparing with: /Users/jyasskin/src/python/bzr/2.6_vmgen/build/pybench.out

Rounds: 10 Warp: 10 Timer: time.time

Machine Details: Platform ID: Darwin-9.5.0-i386-32bit Processor: i386

Python: Implementation: CPython Executable: /Users/jyasskin/src/python/bzr/2.6_vmgen/build/python.exe Version: 2.6.0 Compiler: GCC 4.0.1 (Apple Inc. build 5488) Bits: 32bit Build: Nov 24 2008 20:20:04 (#unknown) Unicode: UCS2

Test minimum run-time average run-time this other diff this other diff

     BuiltinFunctionCalls:   131ms   118ms  +10.9%   134ms   120ms  +11.3%
      BuiltinMethodLookup:   109ms    90ms  +20.9%   111ms    96ms  +15.7%
            CompareFloats:    91ms    65ms  +40.4%    92ms    66ms  +39.2%
    CompareFloatsIntegers:    99ms    85ms  +16.5%    99ms    85ms  +16.4%
          CompareIntegers:    83ms    49ms  +67.3%    83ms    50ms  +67.2%
   CompareInternedStrings:    93ms    72ms  +30.3%    95ms    73ms  +29.3%
             CompareLongs:    84ms    62ms  +36.6%    86ms    63ms  +37.3%
           CompareStrings:    82ms    68ms  +20.2%    84ms    71ms  +17.7%
           CompareUnicode:   104ms    89ms  +17.5%   109ms    94ms  +15.1%

ComplexPythonFunctionCalls: 139ms 126ms +11.1% 142ms 127ms +11.4% ConcatStrings: 149ms 138ms +8.0% 154ms 148ms +3.8% ConcatUnicode: 88ms 84ms +4.7% 90ms 85ms +5.8% CreateInstances: 142ms 130ms +9.5% 143ms 131ms +9.0% CreateNewInstances: 106ms 99ms +7.4% 107ms 99ms +7.6% CreateStringsWithConcat: 116ms 94ms +23.3% 118ms 95ms +25.0% CreateUnicodeWithConcat: 91ms 83ms +10.3% 92ms 84ms +9.6% DictCreation: 92ms 80ms +14.8% 93ms 81ms +14.8% DictWithFloatKeys: 95ms 90ms +5.2% 98ms 91ms +6.7% DictWithIntegerKeys: 99ms 91ms +9.1% 104ms 92ms +13.8% DictWithStringKeys: 83ms 73ms +13.8% 87ms 76ms +14.9% ForLoops: 77ms 62ms +23.2% 79ms 63ms +24.5% IfThenElse: 78ms 55ms +41.6% 79ms 56ms +42.7% ListSlicing: 115ms 185ms -37.7% 120ms 187ms -36.1% NestedForLoops: 135ms 100ms +35.0% 136ms 102ms +33.8% NormalClassAttribute: 105ms 98ms +6.9% 106ms 99ms +6.8% NormalInstanceAttribute: 93ms 84ms +11.2% 94ms 85ms +10.8% PythonFunctionCalls: 102ms 90ms +13.5% 105ms 93ms +13.4% PythonMethodCalls: 147ms 133ms +10.5% 148ms 135ms +9.7% Recursion: 142ms 118ms +20.2% 147ms 119ms +22.9% SecondImport: 99ms 98ms +1.3% 100ms 100ms +0.1% SecondPackageImport: 102ms 101ms +1.2% 104ms 102ms +1.8% SecondSubmoduleImport: 133ms 133ms +0.4% 135ms 134ms +1.0% SimpleComplexArithmetic: 100ms 93ms +7.3% 101ms 94ms +7.8% SimpleDictManipulation: 110ms 93ms +18.3% 111ms 94ms +18.3% SimpleFloatArithmetic: 92ms 76ms +19.9% 94ms 82ms +15.5% SimpleIntFloatArithmetic: 73ms 62ms +16.8% 73ms 63ms +16.4% SimpleIntegerArithmetic: 73ms 64ms +13.5% 74ms 65ms +13.0% SimpleListManipulation: 79ms 67ms +18.6% 80ms 69ms +15.6% SimpleLongArithmetic: 111ms 98ms +13.3% 112ms 99ms +13.3% SmallLists: 126ms 112ms +12.9% 129ms 114ms +12.7% SmallTuples: 123ms 104ms +18.5% 125ms 105ms +18.7% SpecialClassAttribute: 101ms 95ms +6.5% 102ms 97ms +5.2% SpecialInstanceAttribute: 173ms 154ms +12.8% 175ms 158ms +10.7% StringMappings: 165ms 163ms +1.1% 166ms 164ms +1.3% StringPredicates: 126ms 121ms +4.3% 130ms 124ms +5.0% StringSlicing: 125ms 107ms +17.1% 130ms 111ms +16.4% TryExcept: 83ms 57ms +44.6% 84ms 58ms +45.3% TryFinally: 102ms 104ms -1.8% 107ms 105ms +2.2% TryRaiseExcept: 98ms 95ms +2.9% 99ms 97ms +2.7% TupleSlicing: 124ms 141ms -12.5% 138ms 144ms -4.4% UnicodeMappings: 142ms 142ms -0.2% 143ms 143ms +0.1% UnicodePredicates: 107ms 100ms +7.4% 108ms 101ms +7.2% UnicodeProperties: 109ms 101ms +7.8% 111ms 102ms +8.3% UnicodeSlicing: 107ms 84ms +27.8% 111ms 89ms +24.4% WithFinally: 156ms 151ms +3.4% 157ms 151ms +3.9% WithRaiseExcept: 124ms 120ms +3.1% 125ms 121ms +3.0%

Totals: 6137ms 5548ms +10.6% 6258ms 5653ms +10.7%

(this=/Users/jyasskin/src/python/bzr/2.6_cxx/build_c4.0/pybench.out, other=/Users/jyasskin/src/python/bzr/2.6_vmgen/build/pybench.out)

On Wed, Oct 22, 2008 at 5:48 PM, David Ripton <dripton at ripton.net> wrote:

Feedback is, of course, very welcome and it'd be great to have some pybench results from different machines. My results are very similar to Jakob's. Gentoo Linux, 32-bit x86, Athlon 6400+ underclocked to 3.0 GHz. make test: 282 tests OK. 5 tests failed: testdoctest testhotshot testinspect testsubprocess testtrace ------------------------------------------------------------------------------- PYBENCH 2.0 ------------------------------------------------------------------------------- * using Python 2.5.2 (r252:60911, Oct 22 2008, 13:47:58) [GCC 4.1.2 20070214 ( (gdc 0.24, using dmd 1.020)) (Gentoo 4.1.2 p1.0.2)] * disabled garbage collection * system check interval set to maximum: 2147483647 * using timer: time.time Calibrating tests. Please wait... done. Running 10 round(s) of the suite at warp factor 10: * Round 1 done in 8.474 seconds. * Round 2 done in 8.389 seconds. * Round 3 done in 8.438 seconds. * Round 4 done in 8.411 seconds. * Round 5 done in 8.484 seconds. * Round 6 done in 8.471 seconds. * Round 7 done in 8.492 seconds. * Round 8 done in 8.549 seconds. * Round 9 done in 8.429 seconds. * Round 10 done in 8.542 seconds. ------------------------------------------------------------------------------- Benchmark: 2008-10-22 20:45:22 ------------------------------------------------------------------------------- Rounds: 10 Warp: 10 Timer: time.time Machine Details: Platform ID: Linux-2.6.26-gentoo-r1-i686-AMDAthlon-tm-64X2DualCoreProcessor6400+-with-glibc2.3 Processor: AMD Athlon(tm) 64 X2 Dual Core Processor 6400+ Python: Implementation: n/a Executable: /var/tmp/VPython-2.5.2/python Version: 2.5.2 Compiler: GCC 4.1.2 20070214 ( (gdc 0.24, using dmd 1.020)) (Gentoo 4.1.2 p1.0.2) Bits: 32bit Build: Oct 22 2008 13:47:58 (#r252:60911) Unicode: UCS2

------------------------------------------------------------------------------- Comparing with: /tmp/vanilla252.pybench ------------------------------------------------------------------------------- Rounds: 10 Warp: 10 Timer: time.time Machine Details: Platform ID: Linux-2.6.26-gentoo-r1-i686-AMDAthlon-tm-64X2DualCoreProcessor6400+-with-glibc2.3 Processor: AMD Athlon(tm) 64 X2 Dual Core Processor 6400+ Python: Implementation: n/a Executable: /usr/local/bin/python2.5 Version: 2.5.2 Compiler: GCC 4.1.2 20070214 ( (gdc 0.24, using dmd 1.020)) (Gentoo 4.1.2 p1.0.2) Bits: 32bit Build: Oct 22 2008 20:39:10 (#r252:60911) Unicode: UCS2 Test minimum run-time average run-time this other diff this other diff ------------------------------------------------------------------------------- BuiltinFunctionCalls: 144ms 205ms -30.1% 162ms 240ms -32.5% BuiltinMethodLookup: 164ms 222ms -26.2% 167ms 236ms -29.2% CompareFloats: 90ms 211ms -57.5% 103ms 222ms -53.7% CompareFloatsIntegers: 88ms 182ms -51.4% 107ms 200ms -46.6% CompareIntegers: 63ms 258ms -75.5% 84ms 272ms -69.1% CompareInternedStrings: 93ms 252ms -63.0% 103ms 261ms -60.5% CompareLongs: 65ms 180ms -63.9% 87ms 203ms -57.1% CompareStrings: 113ms 211ms -46.5% 120ms 218ms -44.9% CompareUnicode: 187ms 273ms -31.7% 228ms 290ms -21.4% ComplexPythonFunctionCalls: 261ms 330ms -20.9% 277ms 336ms -17.5% ConcatStrings: 204ms 255ms -20.2% 209ms 297ms -29.7% ConcatUnicode: 143ms 118ms +20.3% 159ms 228ms -30.0% CreateInstances: 172ms 112ms +53.0% 187ms 211ms -11.5% CreateNewInstances: 165ms 100ms +65.0% 171ms 196ms -12.6% CreateStringsWithConcat: 141ms 133ms +5.8% 160ms 256ms -37.3% CreateUnicodeWithConcat: 145ms 126ms +14.8% 167ms 242ms -30.9% DictCreation: 129ms 98ms +31.6% 131ms 184ms -28.8% DictWithFloatKeys: 185ms 143ms +29.6% 216ms 268ms -19.6% DictWithIntegerKeys: 122ms 115ms +6.0% 126ms 227ms -44.4% DictWithStringKeys: 92ms 112ms -17.6% 104ms 216ms -51.8% ForLoops: 98ms 224ms -56.2% 117ms 243ms -52.0% IfThenElse: 89ms 221ms -59.9% 97ms 237ms -59.1% ListSlicing: 123ms 111ms +10.8% 131ms 141ms -6.8% NestedForLoops: 138ms 234ms -41.1% 153ms 262ms -41.6% NormalClassAttribute: 131ms 225ms -41.5% 139ms 243ms -42.9% NormalInstanceAttribute: 121ms 191ms -36.9% 121ms 210ms -42.5% PythonFunctionCalls: 134ms 200ms -32.6% 144ms 219ms -34.2% PythonMethodCalls: 173ms 228ms -23.9% 185ms 251ms -26.5% Recursion: 177ms 298ms -40.5% 187ms 316ms -40.8% SecondImport: 135ms 133ms +1.5% 160ms 147ms +8.9% SecondPackageImport: 148ms 141ms +5.0% 166ms 162ms +2.7% SecondSubmoduleImport: 209ms 188ms +11.4% 221ms 203ms +8.6% SimpleComplexArithmetic: 131ms 219ms -40.0% 139ms 239ms -41.7% SimpleDictManipulation: 105ms 210ms -49.9% 123ms 233ms -47.1% SimpleFloatArithmetic: 93ms 224ms -58.6% 109ms 246ms -55.8% SimpleIntFloatArithmetic: 84ms 190ms -56.0% 89ms 213ms -58.4% SimpleIntegerArithmetic: 82ms 191ms -57.1% 84ms 218ms -61.5% SimpleListManipulation: 85ms 188ms -54.6% 90ms 207ms -56.7% SimpleLongArithmetic: 111ms 198ms -44.0% 134ms 215ms -37.6% SmallLists: 126ms 182ms -30.7% 143ms 202ms -28.9% SmallTuples: 132ms 193ms -31.3% 143ms 210ms -31.7% SpecialClassAttribute: 110ms 221ms -50.4% 144ms 241ms -40.1% SpecialInstanceAttribute: 146ms 236ms -38.2% 165ms 258ms -36.1% StringMappings: 177ms 209ms -15.2% 186ms 218ms -14.5% StringPredicates: 169ms 219ms -22.9% 178ms 238ms -25.0% StringSlicing: 130ms 206ms -37.0% 151ms 223ms -32.4% TryExcept: 92ms 230ms -59.9% 94ms 258ms -63.5% TryFinally: 139ms 183ms -23.6% 160ms 204ms -21.8% TryRaiseExcept: 139ms 147ms -5.0% 151ms 162ms -6.7% TupleSlicing: 135ms 174ms -22.0% 151ms 190ms -20.7% UnicodeMappings: 222ms 244ms -8.9% 241ms 257ms -6.3% UnicodePredicates: 170ms 214ms -20.6% 179ms 227ms -21.2% UnicodeProperties: 136ms 159ms -14.9% 154ms 206ms -25.3% UnicodeSlicing: 142ms 215ms -34.1% 171ms 248ms -31.3% WithFinally: 208ms 260ms -20.1% 212ms 271ms -21.9% WithRaiseExcept: 175ms 193ms -9.0% 186ms 209ms -11.0% ------------------------------------------------------------------------------- Totals: 7682ms 10935ms -29.8% 8468ms 12832ms -34.0% (this=2008-10-22 20:45:22, other=/tmp/vanilla252.pybench) -- David Ripton dripton at ripton.net

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-- Namasté, Jeffrey Yasskin http://jeffrey.yasskin.info/

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