Author: stian
Branch: improve-rbigint
Changeset: r56364:27c686ebbb30
Date: 2012-07-12 20:33 +0200
http://bitbucket.org/pypy/pypy/changeset/27c686ebbb30/
Log: One fix, plenty of bugs left
diff --git a/pypy/rlib/rbigint.py b/pypy/rlib/rbigint.py
--- a/pypy/rlib/rbigint.py
+++ b/pypy/rlib/rbigint.py
@@ -1411,6 +1411,7 @@
# way to store the size, instead of resizing the list!
# XXX change the implementation, encoding length via the sign.
bslice._digits = b._digits[nbdone : nbdone + nbtouse]
+ bslice.size = nbtouse
product = _k_mul(a, bslice)
# Add into result.
diff --git a/pypy/translator/goal/targetbigintbenchmark.py
b/pypy/translator/goal/targetbigintbenchmark.py
--- a/pypy/translator/goal/targetbigintbenchmark.py
+++ b/pypy/translator/goal/targetbigintbenchmark.py
@@ -35,24 +35,24 @@
Sum: 142.686547
Pypy with improvements:
- mod by 2: 0.005984
- mod by 10000: 3.664320
- mod by 1024 (power of two): 0.011461
- Div huge number by 2**128: 2.146720
- rshift: 2.319716
- lshift: 1.344974
- Floordiv by 2: 1.597306
- Floordiv by 3 (not power of two): 4.197931
- 2**500000: 0.033942
- (2**N)**5000000 (power of two): 0.050020
- 10000 ** BIGNUM % 100 1.960709
- i = i * i: 3.902392
- n**10000 (not power of two): 5.980987
- Power of two ** power of two: 0.013227
- v = v * power of two 3.478328
- v = v * v 6.345457
- v = v + v 2.770636
- Sum: 39.824111
+ mod by 2: 0.005516
+ mod by 10000: 3.650751
+ mod by 1024 (power of two): 0.011492
+ Div huge number by 2**128: 2.148300
+ rshift: 2.333236
+ lshift: 1.355453
+ Floordiv by 2: 1.604574
+ Floordiv by 3 (not power of two): 4.155219
+ 2**500000: 0.033960
+ (2**N)**5000000 (power of two): 0.046241
+ 10000 ** BIGNUM % 100 1.963261
+ i = i * i: 3.906100
+ n**10000 (not power of two): 5.994802
+ Power of two ** power of two: 0.013270
+ v = v * power of two 3.481778
+ v = v * v 6.348381
+ v = v + v 2.782792
+ Sum: 39.835126
A pure python form of those tests where also run
Improved pypy | Pypy | CPython 2.7.3
_______________________________________________
pypy-commit mailing list
pypy-commit@python.org
http://mail.python.org/mailman/listinfo/pypy-commit
