On 1/18/18 4:53 PM, Robert Elliott wrote:
> From: Robert Elliott <elliott@xxxxxxx>
>
> Add more memcpy tests:
> memcpy = copy with libc memcpy() (d = s)(one read, one write)
> memcsum = read memory to registers (one read)
> memset = write memory from registers with libc memset() (one write)
> wmemset = write memory from registers with libc wmemset() (one write)
> streamcopy = STREAM copy (d = s)(one read, one write)
> streamadd = STREAM add (d = s1 + s2)(two reads, add, one write)
> streamscale = STREAM scale (d = 3 * s1)(one read, multiply, one write)
> streamtriad = STREAM triad (d = s1 + 3 * s2)(two reads, add and multiply, one write)
The engine changes in here don't seem related?
> +static void flush_caches(struct memcpy_type *t, struct memcpy_test *test)
> +{
> + __builtin___clear_cache(test->src, test->src + BUF_SIZE);
> + __builtin___clear_cache(test->src2, test->src2 + BUF_SIZE);
> + __builtin___clear_cache(test->dst, test->dst + BUF_SIZE);
> +}
Is this going to work on all platforms? I'm fine with adding it, but
we'll probably need a configure test to ensure we don't break various
builds.
--
Jens Axboe
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