[cfe-dev] Hardware for building LLVM+Clang in 10-20 minutes

Mehdi AMINI mehdi.amini at silkan.com
Fri Mar 29 15:10:26 PDT 2013


On 3/29/13 7:48 AM, Anton Yartsev wrote:
> Hi all!
> I have finally decided to upgrade from my old Core 2 Duo E8500, 6GB DDR2
> 400 MHz.
> Currently the full building+testing of llvm lasts for hours (slightly
> faster with VS2008, slightly slower with MinGW) and makes everything lag.
> Ideally would be happy to perform build+test for about 10-20 minutes, as
> some fast builders do, and have no lags with other useful applications,
> such as browsers and Acrobat, during building/testing.
> Please can anybody advise me an appropriate hardware? Or just tell, what
> hardware the fast buildbots are running (specifically
> clang-native-mingw64-win7, clang-x86_64-ubuntu-gdb-75 and
> clang-x86_64-debian-fast)?

Using a laptop (MacBook with 16GB RAM, quad i7 @2.7 GHz, 512GB SSD) the 
debug build (just "make -j8") with clang 3.3 is completed in 6m40s 
(including clang/tools/extra). And after the build, "make check-all -j8" 
takes another 2m50s.


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