This is the mail archive of the
mailing list for the GCC project.
Re: Is test case with 700k lines of code a valid test case?
- From: C BergstrÃm <cbergstrom at pathscale dot com>
- To: Andrey Tarasevich <tarasevich at cs dot uni-saarland dot de>
- Cc: gcc mailing list <gcc at gcc dot gnu dot org>
- Date: Tue, 15 Mar 2016 00:05:16 +0800
- Subject: Re: Is test case with 700k lines of code a valid test case?
- Authentication-results: sourceware.org; auth=none
- References: <F3880EB7-70F6-475B-A6E6-363B50DD2AD4 at cs dot uni-saarland dot de> <CAOnawYqoZhytKOq=tect8FFo+QmW_--3sgKq7oG1Qh0cVQXZhA at mail dot gmail dot com> <D3072B8F-770F-4951-A61D-8658659AB1C6 at cs dot uni-saarland dot de>
I don't speak with any community authority - I think your test tool is
misconfigured then. I don't see any pragmatic reason to generate such
a test. It's unlikely to mirror any real world code and artificial
test cases like this, at best only serve as some arbitrary data point.
On Mon, Mar 14, 2016 at 11:52 PM, Andrey Tarasevich
>> On 14 Mar 2016, at 16:39, C BergstrÃm <firstname.lastname@example.org> wrote:
>> On Mon, Mar 14, 2016 at 11:31 PM, Andrey Tarasevich
>> <email@example.com> wrote:
>>> I have a source file with 700k lines of code 99% of which are printf() statements. Compiling this test case crashes GCC 5.3.0 with segmentation fault.
>>> Can such test case be considered valid or source files of size 35 MB are too much for a C compiler and it should crash? It crashes on Ubuntu 14.04 64bit with 16GB of RAM.
>> Sorry I can't help, but troll reply..
>> If you're intentionally combining everything into a single source for
>> optimization reasons - you can expect it to really stress and hit many
>> problems in the compiler.
>> If your code is just extremely poorly written or not organized well -
>> I'd encourage you to both file bug reports (of a more reduced nature
>> than 700ksloc) and refactor things so that it's better designed.
> Not that I intentionally written such code, but it was automatically generated by test tool.