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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] Totally missing /O2 for MSVC-Compiler
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Thu, 29 Jan 2009 22:08:37 -0500
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2009/1/29 Gael Guennebaud <gael.guennebaud@xxxxxxxxx>:
> eventually I get all green with:
>
> /DWIN32 /D_WINDOWS /Zm1000 /EHsc /O2 /arch:SSE2
>
> so I backported to both the branch and the tag.
>
> gael.
OK thank you very much and kudos for nailing this ICE, really the most
tricky issues to deal with!
Benoit
>
> On Thu, Jan 29, 2009 at 11:52 PM, Gael Guennebaud
> <gael.guennebaud@xxxxxxxxx> wrote:
>> ok I managed to reproduce the error when activating /O2 and SSE2. I
>> think this issue is fixed in rev 918446.
>>
>> Can you tell us if that works for you too ?
>>
>> Benoit: if you get a positive answer and I don't respond, please
>> backport it in the tag.
>>
>> cheers,
>> Gael.
>>
>> On Thu, Jan 29, 2009 at 9:10 PM, Gael Guennebaud
>> <gael.guennebaud@xxxxxxxxx> wrote:
>>> ah, right. so I'll try to compile in release mode. unfortunately our
>>> porting cluster is busy right now (the nightly builds just started) so
>>> I have to wait for a windows machine....
>>>
>>> gael.
>>>
>>> On Thu, Jan 29, 2009 at 8:33 PM, FMDSPAM <fmdspam@xxxxxxxxx> wrote:
>>>> Hi Folks,
>>>>
>>>> you can imagine my surprise, when I was looking at my own CDash Entry: ALL
>>>> GREEN.
>>>> All tests compile and run. After a first period of confused joy my attention
>>>> was going towards the timings. DARK RED! IMHO.
>>>> Hey Gael: pipol6 are dead slow too....
>>>>
>>>> The reason is, that for compiler other then gcc NO OPTIMIZATION is set.
>>>> That is the difference, because all automated tests pass and my handmade
>>>> test don't want to compile.
>>>>
>>>> Conclusion:
>>>> We were blind all the time!
>>>> All the MSVC problems are general and probably quite old.
>>>>
>>>> Cheers
>>>> Frank
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>
>
>
>