Op 21 sep. 2011 02:58 schreef "K. Frank" <[email protected]> het
volgende:
>
> Hello List!
>
> I wanted to give some quick feedback. I tried out Ruben's mingw-w64
> personal build that implements std::thread, and it works great.
>
> I downloaded the 64-bit 4.7.0 version:
>
> x86_64-w64-mingw32-gcc-4.7.0-stdthread_rubenvb.7z
>
> unzipped it, and tried it out with some std::thread test programs.
> (I am running on 64-bit windows 7 and g++ reports its version as
> "g++ (GCC) 4.7.0 20110829 (experimental)".)
>
> I compiled everything thus:
>
> g++ -static -std=c++0x -o std_thread_test_xxx std_thread_test_xxx.cpp
>
> I set the static (per Ruben's instruction) and the std=c++0x flags.
> (I didn't try anything fancy -- any optimizations or the like.)
>
> Everything worked, as far as I can tell.
>
> My programs test the following features:
>
> thread creation and joins
> mutexes
> condition variables
> timed mutex waits
> timed waits on condition variables
> async and passing an exception back to a future
>
> and I ran a parallel_accumulate algorithm posted by Anthony Williams.
> (It needed some minor tweaks to compile with the subset of c++0x I
> had when I first experimented it.)
>
> The mutex and condition-variable tests, in particular, were run with tens
> of threads and were designed to create some contention to look for race
> conditions and deadlocks. (I also goosed up Williams's
parallel_accumulate
> to run with fifty threads.)
>
> The main weakness in my tests is that even though I ran with lots of
> threads, I am running on a two-core machine. So I do get two active
> threads running concurrently, but the tests are not as aggressive as
> they would be if I had more processors.
>
> (The tests also use some of the other new c++0x features, but mostly
> just the convenience stuff and nothing particularly outlandish.)
>
> So...
>
> Hats off to Ruben for a great step forward! Thanks for making this
> available to us all.
The work is really all Kai and JonY! I'm just the messenger :-)
Thanks for the rather deep testing, we appreciate it, and the result of
course ;-)
Ruben
>
>
> Best regards.
>
>
> K. Frank
>
>
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definitive record of customers, application performance, security
threats, fraudulent activity and more. Splunk takes this data and makes
sense of it. Business sense. IT sense. Common sense.
http://p.sf.net/sfu/splunk-d2dcopy1
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