GHC build times on newer MacBook Pros?
johan.tibell at gmail.com
Tue Aug 23 16:56:07 CEST 2011
Sounds promising. Now I just have to decide whether to get the 2.2 or
2.3 GHz version. I suspect the latter is a bit overpriced.
On Tue, Aug 23, 2011 at 4:36 PM, austin seipp <as at hacks.yi.org> wrote:
> I'm using a MBP with a quad core 2gHz Core i7; it has 8 overall
> hardware threads. GHC's build process using 'make -j9' or 'make -j12'
> totally saturates all my cores. I believe I can clock in a full build
> at well under 10 minutes (with BuildFlavor = quick in mk/build.mk.)
> For comparison, I also have a dual core 2gHz Core i7 (4 hardware
> threads) in a lenovo sitting next to it running Linux, and a full GHC
> build takes a bit longer. I can get real numbers later if it's
> actually that interesting.
> I'd recommend you getting the quad-core machine, if at all possible.
> On Tue, Aug 23, 2011 at 4:27 AM, Johan Tibell <johan.tibell at gmail.com> wrote:
>> I'm looking to upgrade my laptop so that I can (among other things)
>> compile GHC faster. I'll either get the 13" 2.7GHz dual-core Intel
>> Core i7 model or the 15" 2.2GHz quad-core Intel Core i7 model. Anyone
>> know if it's worth to get the 15" model? According to these benchmarks
>> it should be quite a bit faster:
>> but I don't know if I can get enough parallelism out of GHC's build to
>> use all 4 cores in the 15" model.
>> -- Johan
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