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El 13/07/16 a las 03:21, Chaos Zhang escribió:
Thanks for your references Decker, the condition is it cost close to three
times time after i use CMake than already exist makefile to build project.
And i found the CPU didn't use effectively than exist make flow, so i
wonder if CMake provide
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> Thanks for your analysis for me Andrew. I can't use "-j" options, i think
> the
reason is the project i dealed with is not parallel. Thus when i use "make
> -jN", it couldn't work correctly every time. Obviously it caused by the
> Makefile generated by CMake, so i wonder if there are some
m
>>>
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>&g
k on? did you profile IO ?
>
>
>> Thanks a lot,
>> Chao
>>
>>
>>
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Hi Chao,
On Wed, Jul 13, 2016 at 10:54 AM, Chaos Zhang wrote:
> I was trying to compile my project using CMake, after CMake generated
> Makefile.
> I used `/usr/bin/time -v make` to make the Makefile, got the result:
> 'Percent of CPU this job got: 96%'.
> Then i used
of CPU this job got: 648%'.
So i wonder if Makefile generated by CMake support make -jN, BTW my CPU is
I7-4790, and after i use 'cat /proc/cpuinfo', there are 8 processors.
Thanks a lot,
Chao
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