[cfe-dev] Is there a way to let the AST matcher run on multiple files in parallel?

[Manuel Klimek]

Those are not 2 options. You'll want to have both :)
You need the compilation database so the tool only needs the source file to
run.

On Wed, Jul 22, 2015 at 2:27 PM Han Wang <wanghan02 at gmail.com> wrote:

> Hi Manuel,
>
> Thank you for your answer. The goal is to do refactoring to the project
> and apply the replacements to the original files. For the option (a), could
> you describe more specifically how to do it? Thanks. I checked the run
> function of clang::tooling::ClangTool, but it's just a for loop over all
> the source files.
>
> Best regards,
> Han
>
> On Wed, Jul 22, 2015 at 12:33 PM, Manuel Klimek <klimek at google.com> wrote:
>
>> You can use
>> a) a compilation database
>> b) find . -name '*.cc' |xargs -n1 -P32
>> depending on the output data you want to produce, you'll need to pass an
>> additional flag to your tool to get the shard number...
>>
>> On Tue, Jul 21, 2015 at 6:20 PM Han Wang <wanghan02 at gmail.com> wrote:
>>
>>> Hi all,
>>>
>>> Is there a way to let the AST matcher run on multiple files in parallel?
>>> I'm working on Mac. I have some old windows code which may slow down the
>>> compiling time (maybe for some other reasons I don't know exactly). So this
>>> makes it necessary for me to analyze each translation unit in parallel.
>>>
>>> At the moment I have only one mac which has 32 cores. I can live with
>>> that if it could be fully parallel.
>>>
>>> Thanks!
>>> Best regards,
>>> Han
>>>
>>> _______________________________________________
>>> cfe-dev mailing list
>>> cfe-dev at cs.uiuc.edu
>>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
>>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/cfe-dev/attachments/20150722/3d5eb1b7/attachment.html>