CPython 2.7 vs. PyPy 1.9 serialization performance. 64-bit Ubuntu 12.

cpython 2.7

Binary Deserialization: 0.336952924728 seconds
Binary Serialization: 0.227765083313 seconds

XML Deserialization: 0.4408659935 seconds
XML Serialization: 0.299523830414 seconds

PyPy Binary Deserialization progression

1.24147391319
0.753793954849
0.652230978012
0.547729969025
0.530550003052
0.423093080521
0.413625001907
0.409635066986
0.385325908661
0.494672060013
0.345757961273
0.333236932755
0.313874959946
0.342383861542
0.323919057846
0.557148933411
0.302930116653
0.299618005753
0.274656057358
0.273370027542
0.351580858231
0.281791210175
0.29016494751
0.282293081284
0.296399116516
0.273292064667
0.279428958893
0.268905162811
0.275151014328
0.323168039322
0.335014104843
0.299319982529
0.302329063416
0.300946950912
0.274924039841
0.27100110054
0.251049041748
0.242516040802
0.256646871567
0.251395940781
0.27344083786
0.264024972916
0.432008981705
0.261606216431
0.270452976227
0.235370874405
0.245633125305
0.251308917999
0.249708175659
0.232724189758
0.236732959747
0.441451072693
0.241087198257
0.246626138687
0.241390943527
0.234045028687
0.247340917587
0.250341892242
0.247742176056
0.230153083801
0.238587141037
0.256392002106
0.230990886688
0.246750116348
0.237244129181
0.222247838974
0.226046085358
0.240004777908
0.230209112167
0.243558883667
0.221515893936
0.224430084229
0.229064941406
0.451362848282
0.277124881744
0.222626209259
0.231687068939
0.219645023346
0.23145198822
0.216513156891
0.233366012573
0.217476844788
0.222444057465
0.227646112442
0.230937004089
0.233397006989
0.221217155457
0.222631931305
0.212860822678
0.215842008591

Rolling averages of 10 for all methods

#10:
{'desbin': 0.5543653249740601,
 'desxml': 0.7303838729858398,
 'serbin': 1.016824984550476,
 'serxml': 1.2555864095687865}
#20:
{'desbin': 0.3368033170700073,
 'desxml': 0.5368926048278808,
 'serbin': 0.666283655166626,
 'serxml': 0.7201875448226929}
#30:
{'desbin': 0.2973098039627075,
 'desxml': 0.4955417633056641,
 'serbin': 0.484639573097229,
 'serxml': 0.5544298171997071}
#40:
{'desbin': 0.27975852489471437,
 'desxml': 0.5008924007415771,
 'serbin': 0.4102297067642212,
 'serxml': 0.4874597072601318}
#50:
{'desbin': 0.2964390993118286,
 'desxml': 0.48549938201904297,
 'serbin': 0.359218430519104,
 'serxml': 0.4303915023803711}
#60:
{'desbin': 0.27297990322113036,
 'desxml': 0.507413673400879,
 'serbin': 0.32778823375701904,
 'serxml': 0.42708840370178225}
#70:
{'desbin': 0.2584134817123413,
 'desxml': 0.5210484027862549,
 'serbin': 0.3052032232284546,
 'serxml': 0.3516526222229004}
#80:
{'desbin': 0.2470303773880005,
 'desxml': 0.4637049913406372,
 'serbin': 0.2838821649551392,
 'serxml': 0.3456183910369873}
#90:
{'desbin': 0.23558037281036376,
 'desxml': 0.47126748561859133,
 'serbin': 0.2616516828536987,
 'serxml': 0.3192026376724243}
#100:
{'desbin': 0.27671060562133787,
 'desxml': 0.44227914810180663,
 'serbin': 0.24842400550842286,
 'serxml': 0.31692140102386473}
#110:
{'desbin': 0.2203094482421875,
 'desxml': 0.43374364376068114,
 'serbin': 0.2399275302886963,
 'serxml': 0.3105191230773926}
#120:
{'desbin': 0.22397468090057374,
 'desxml': 0.40001392364501953,
 'serbin': 0.2853178739547729,
 'serxml': 0.29365441799163816}