From: Stefan Krah Date: Sun, 1 Apr 2012 11:07:24 +0000 (+0200) Subject: Issue #14394: Use elaborate phrases that boil down to "one to two orders X-Git-Tag: v3.3.0a2~4 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bf8030830f1707961b55bd200e8b2929cf6c842c;p=thirdparty%2FPython%2Fcpython.git Issue #14394: Use elaborate phrases that boil down to "one to two orders of magnitude". Provide link to the benchmarks. --- diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst index ee1f8a96d165..4059354077ff 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 |