changeset: 76041:6ba569924986 user: Stefan Krah date: Sun Apr 01 13:07:24 2012 +0200 files: Doc/whatsnew/3.3.rst description: Issue #14394: Use elaborate phrases that boil down to "one to two orders of magnitude". Provide link to the benchmarks. diff -r ac60138522fc -r 6ba569924986 Doc/whatsnew/3.3.rst --- a/Doc/whatsnew/3.3.rst Sun Apr 01 02:30:46 2012 -0700 +++ b/Doc/whatsnew/3.3.rst Sun Apr 01 13:07:24 2012 +0200 @@ -603,11 +603,17 @@ 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 |