Re: [Quantlib-users] quantlib python addin size on linux centos

[Laurent N <lau...@gm...>]

So the combination of -g0 and -O3 indeed does the trick. (-O3 alone
doesn't, in case that helps).

Thanks again Luigi

On Tue, Apr 12, 2022 at 9:36 AM Laurent N <lau...@gm...>
wrote:

> Hi Luigi
>
> Many thanks, I'll give it a try with those parameters.
>
> On Tue, Apr 12, 2022 at 1:10 AM Luigi Ballabio <lui...@gm...>
> wrote:
>
>> Also, I'm using those flags when building both the C++ library and the
>> Python module.
>>
>>
>> On Tue, Apr 12, 2022 at 10:07 AM Luigi Ballabio <lui...@gm...>
>> wrote:
>>
>>> Hello Laurent,
>>>     try passing -g0 to gcc to avoid storing debug information.  Also,
>>> passing -O3 might try to optimize for size as well as speed.
>>>
>>> Hope this helps,
>>>     Luigi
>>>
>>>
>>> On Tue, Apr 12, 2022 at 9:33 AM Laurent N <lau...@gm...>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>> I wonder if you can share how you build the python library for linux.
>>>> When i install the python addin via pip install, the .so file from the
>>>> distribution is ~30Mo.
>>>>
>>>> However when I build it from scratch on centos 7, i am getting a file
>>>> _QuantLib.cpython[xxx].so which is 130Mo+. I am trrying to reproduce what
>>>> you did before i make some changes for my own use. I tried modifying the
>>>> options passed to gcc, to no avail.
>>>>
>>>> I am using QuantLib 1.24 and QuantLib-SWIG 1.24 and python 3.7.
>>>>
>>>> Appreciate any help or pointers.
>>>>
>>>> Thanks
>>>> Laurent
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>>>>
>>>