Hi,
what’s people’s experience with compiling cpython using multiple jobs
(e.g., make -j 8)?
In my case, I sometimes experience build errors that happen when using -j,
whereas the single-job build always works. I haven’t tracked this down in
detail, though… here’s an extract from a sample log:
1
Hi,
Thanks for your comments! I've done more tests on a new machine and, for
better or worse, was no longer able to reproduce the issue. Parallel
compilation now works fine; I'll keep collecting output from make, and
would post it here if the problem appears again.
One additional issue appeared,
On Thu, 4 Sep 2014 12:06:25 +0200
Jonas Wagner wrote:
>
> One additional issue appeared, though: it seems that extension modules are
> always built sequentially no matter what the value of MAKEFLAGS is. I've
> seen that these are being built by a custom setup.py script. Do you think
> it would be
>> > Would people be interested in having a parallel version?
>>
>> See http://bugs.python.org/issue5309
>
> Cool! I'll look into this.
The patch there works well for me. I've made one small update, and
submitted the new version in the bug tracker.
Regarding the other build problem, I might have
> > Would people be interested in having a parallel version?
>
> See http://bugs.python.org/issue5309
Cool! I'll look into this.
Just as I was thinking that the parallel build problems are solved,
the issue surfaced again. I've attached a complete, unmodified log to
this mail.
Some notes:
- asap
Hi again,
the attached Makefile patch seems to fix the parallel build problems.
Is there a chance of getting this into trunk? Should I open an issue
or send the patch somewhere else?
Cheers,
Jonas
On Fri, Sep 5, 2014 at 12:15 PM, Jonas Wagner wrote:
>>> > Would people be interested in having a
Open an issue on bugs.python.org and attach the patch there (it should also
ask you so sign the contributor agreement, but if not then please also sign
that).
On Fri Sep 05 2014 at 12:52:45 PM Jonas Wagner wrote:
> Hi again,
>
> the attached Makefile patch seems to fix the parallel build problem
Hi,
Open an issue on bugs.python.org and attach the patch there (it should also
> ask you so sign the contributor agreement, but if not then please also sign
> that).
>
Submitted as http://bugs.python.org/issue22359 , and signed the agreement.
Cheers,
Jonas
_
Hi,
My bashrc sets MAKEFLAGS to -j9 and Python compilation works fine on Fedora
20 with GNU make and GCC. My computer has 8 cores (4 physical with hyper
threading).
It looks like your compiler is Clang. What is your OS and OS version?
Can you try to run make in verbose mode and attach the full l
On Mon, Sep 1, 2014, 15:16 Victor Stinner wrote:
Hi,
My bashrc sets MAKEFLAGS to -j9 and Python compilation works fine on Fedora
20 with GNU make and GCC. My computer has 8 cores (4 physical with hyper
threading).
It looks like your compiler is Clang. What is your OS and OS
version?
I compil
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