Re: [boost] [lockfree] include into 1.51?

Subject: Re: [boost] [lockfree] include into 1.51?
From: Tim Blechmann (tim_at_[hidden])
Date: 2012-07-10 01:43:32

>>>> this suggests that either the third test case fails, or that that it
>>>> gets killed at some point. just to confirm, do you have a timeout for
>>>> the tests?
>>>>
>>>
>>> Standard regression timeout, which I think is 5 minutes. Just ran it
>>> outside of regression on its own and it passed, so does suggest it was
>>> timeout.
>>
>> hm ... i must admit that this is rather odd: the same test runs in about
>> 0.5 seconds on my sandy bridge i7 (the release build in 0.3 seconds).
>>
>> does this patch somehow improve the performance of the testsuite?
>>
> 
> Nope, noticeably slower. I gave up in the 8th minute. Pre-patch (r79385) 
> queue_test ran in about 4 minutes-ish on my machine outside of 
> regression, so would pass depending on what else is going on during 
> regression.

i wonder, what kind of machine is this? if it runs a factor of 500
slower than on my machine, then the compiler is generating really slow
code (or running in an interpreter), the windows scheduler does some
very wrong decisions or something else must go really wrong.

thanks, tim