pythoncheckins at python
Apr 1, 2012, 4:08 AM
Post #1 of 1
(39 views)
Permalink

cpython: Issue #14394: Use elaborate phrases that boil down to "one to two orders


http://hg.python.org/cpython/rev/6ba569924986 changeset: 76041:6ba569924986 user: Stefan Krah <skrah [at] bytereef> date: Sun Apr 01 13:07:24 2012 +0200 summary: Issue #14394: Use elaborate phrases that boil down to "one to two orders of magnitude". Provide link to the benchmarks. files: 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  a/Doc/whatsnew/3.3.rst +++ b/Doc/whatsnew/3.3.rst @@ 603,11 +603,17 @@ Cmodule and libmpdec written by Stefan Krah. The new C version of the decimal module integrates the high speed libmpdec library for arbitrary precision correctlyrounded decimal arithmetic. libmpdec conforms to IBM's General Decimal Arithmetic Specification. +library for arbitrary precision correctlyrounded 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   Repository URL: http://hg.python.org/cpython
