Re: [boost] [atomic, x86] need another pair of eyes

Subject: Re: [boost] [atomic, x86] need another pair of eyes
From: Tim Blechmann (tim_at_[hidden])
Date: 2012-12-19 13:29:18

>> to be more specific: of the test machines at sandia sometimes has test
>> > failures for boost.lockfree, which i cannot reproduce on my machine. the
>> > algorithm in question (the spsc_queue) only makes use of atomic reads
>> > and writes and only requires two memory barriers. the sandia machine is
>> > a 4 cpu, 8 core/cpu machine, while my machines are all single-cpu
>> > multi-core.
> Which tests fail, by the way?

the stress test for the spsp_queue (spsc_queue_test_caching) ... one
thread enqueueing a large number of elements, one thread dequeueing ...