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From: <sv...@va...> - 2006-03-27 12:23:53
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Author: njn Date: 2006-03-27 13:23:44 +0100 (Mon, 27 Mar 2006) New Revision: 5793 Log: Partial release notes for 3.2.0, talking about the performance improvemen= ts and removal of Addrcheck. Modified: trunk/NEWS Modified: trunk/NEWS =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- trunk/NEWS 2006-03-27 11:55:09 UTC (rev 5792) +++ trunk/NEWS 2006-03-27 12:23:44 UTC (rev 5793) @@ -1,3 +1,37 @@ +Release 3.2.0 (?? April 2006) +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +3.2.0 is a feature release with a number of significant improvements: +Performance (especially of Memcheck) is much improved, XXX... +In detail: + +- Performance is much improved: programs typically run 1.20--1.40 times + faster under Memcheck, with an average of about 1.30 for the programs = we + tested it on. The improvements for Nulgrind are similar. We haven't + measured Cachegrind and Massif, they should be also be faster, but wit= h a + smaller improvement. We are interested to hear what speed-ups users g= et. + +- Memcheck uses much less memory. The amount of shadow memory used -- w= hich + accounts for a large percentage of all of Memcheck's memory overhead -= - + has been reduced by a factor of more than 4 on most programs. This me= ans + you should be able to run programs that use more memory than before + without hitting problems. This memory size reduction also contributes= to + the speed improvements. + +- Addrcheck has been removed. It has not worked since version 2.4.0, an= d + with the speed and memory improvements to Memcheck it is no longer wor= th + having around. If you liked using Addrcheck because it didn't give + undefined value errors, you can use the new Memcheck option + --undef-value-errors=3Dno to obtain this behaviour. + +- Valgrind now works on PPC64/Linux. [XXX: more details...] + +- XXX: others... + +BUGS FIXED: + +XXX + + Release 3.1.1 (15 March 2006) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 3.1.1 fixes a bunch of bugs reported in 3.1.0. There is no new |