diff options
author | Stefan Krah <skrah@bytereef.org> | 2012-04-01 11:07:24 (GMT) |
---|---|---|
committer | Stefan Krah <skrah@bytereef.org> | 2012-04-01 11:07:24 (GMT) |
commit | bf8030830f1707961b55bd200e8b2929cf6c842c (patch) | |
tree | b382353b1a83125bd0a22ce878d646ede0d39d8d /Doc/whatsnew/3.3.rst | |
parent | 458a6fbaa8236cbb8c8d697e5b43d088539033b7 (diff) | |
download | cpython-bf8030830f1707961b55bd200e8b2929cf6c842c.zip cpython-bf8030830f1707961b55bd200e8b2929cf6c842c.tar.gz cpython-bf8030830f1707961b55bd200e8b2929cf6c842c.tar.bz2 |
Issue #14394: Use elaborate phrases that boil down to "one to two orders
of magnitude". Provide link to the benchmarks.
Diffstat (limited to 'Doc/whatsnew/3.3.rst')
-rw-r--r-- | Doc/whatsnew/3.3.rst | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst index ee1f8a9..4059354 100644 --- a/Doc/whatsnew/3.3.rst +++ b/Doc/whatsnew/3.3.rst @@ -603,11 +603,17 @@ decimal C-module and libmpdec written by Stefan Krah. The new C version of the decimal module integrates the high speed libmpdec -library for arbitrary precision correctly-rounded decimal arithmetic. -libmpdec conforms to IBM's General Decimal Arithmetic Specification. +library for arbitrary precision correctly-rounded decimal floating point +arithmetic. libmpdec conforms to IBM's General Decimal Arithmetic Specification. -Performance gains range from 12x for database applications to 80x for -numerically intensive applications: +Performance gains range from 10x for database applications to 80x for +numerically intensive applications. These numbers are expected gains +for standard precisions used in decimal floating point arithmetic. Since +the precision is user configurable, the exact figures may vary. For example, +in integer bignum arithmetic the differences can be significantly higher. + +The following table is meant as an illustration. Benchmarks are available +at (http://www.bytereef.org/mpdecimal/quickstart.html). +---------+-------------+--------------+-------------+ | | decimal.py | _decimal | speedup | |