[LLVMdev] [cfe-dev] [RFC] Raising LLVM minimum required MSVC version to 2013 for trunk
aaron at aaronballman.com
Wed Oct 8 10:35:25 PDT 2014
On Wed, Oct 8, 2014 at 12:17 PM, Greg Bedwell <gregbedwell at gmail.com> wrote:
> To follow up from Paul last week:
>> I'm expecting to have our internal builds switched over later this
>> week. Our investigations have shown no problems.
> We've now updated our internal builds from 2012.4 (cl.exe 17.0.61030) to
> 2013.3 (cl.exe 18.00.30723). Our automated testing over the weekend hasn't
> shown any correctness issues so we plan to continue using it now..
> From some of the stats I've collected it seems to be a worthwhile update.
> On my own machine, the time for a full rebuild from clean of ALL_BUILD (LLVM
> & Clang, Release + asserts + debug info, not using ninja) has improved by
> 20%. Doing a like-for-like build of various benchmarks and games using
> clang built by VS2012 and VS2013, the clang build speed of a typical -O2 -g
> build is somewhere between in the noise and 1% faster with VS2013. We've
> not yet observed any regressions in the speed of clang since upgrading.
Great, thank you for the feedback!
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