Re: [patch][IRA] Apply LRA lessons-learned to IRA

2012-10-09 Thread Vladimir Makarov
On 12-10-09 5:24 PM, Steven Bosscher wrote: Hello, For LRA, compressing the live range chains proved to be quite helpful. The same can be done for IRA, as in the attached patch. For the test case of PR54146 the effect is time spent in IRA cut in half: without patch: integrated RA : 2

[patch][IRA] Apply LRA lessons-learned to IRA

2012-10-09 Thread Steven Bosscher
Hello, For LRA, compressing the live range chains proved to be quite helpful. The same can be done for IRA, as in the attached patch. For the test case of PR54146 the effect is time spent in IRA cut in half: without patch: integrated RA : 206.35 (28%) with patch: integrated RA