> On Dec 1, 2017, at 11:20 AM, Jens Axboe <axboe@xxxxxxxxx> wrote: > > which is kind of depressing, since the fastest for larger sizes is the > very dumb and basic implementation that you'll find in any text book > under the section of "my first memcpy". > > Anyway, for evaluating implementations, we need a way to test them, > and now we have. I'll be happy to take input/patches on the test > itself. Thanks - I meant to reply a few days ago and tell you I will work on a patch for this. For the simple case, does the compiler do anything interesting? For example, auto-vectorization should be simple for it to do if it knows the capabilities of the target machine. — Rebecca -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html