On 04/01/16 09:06, James Greenhalgh wrote:
On Fri, Apr 01, 2016 at 02:47:05PM +0100, Wilco Dijkstra wrote:
Evandro Menezes wrote:
Ping^1
I haven't seen a newer version that incorporates my feedback. To recap what
I'd like to see is a more general way to select approximations based on mode.
I d
On 04/01/16 08:47, Wilco Dijkstra wrote:
Evandro Menezes wrote:
Ping^1
I haven't seen a newer version that incorporates my feedback. To recap what
I'd like to see is a more general way to select approximations based on mode.
I don't believe that looking at the inner mode works in general, and i
On Fri, Apr 01, 2016 at 02:47:05PM +0100, Wilco Dijkstra wrote:
> Evandro Menezes wrote:
> >
> > Ping^1
>
> I haven't seen a newer version that incorporates my feedback. To recap what
> I'd like to see is a more general way to select approximations based on mode.
> I don't believe that looking at
Evandro Menezes wrote:
>
> Ping^1
I haven't seen a newer version that incorporates my feedback. To recap what
I'd like to see is a more general way to select approximations based on mode.
I don't believe that looking at the inner mode works in general, and it doesn't
make sense to add internal tu
On 03/18/16 18:00, Evandro Menezes wrote:
On 03/18/16 17:20, Wilco Dijkstra wrote:
Evandro Menezes wrote:
On 03/18/16 10:21, Wilco Dijkstra wrote:
Hi Evandro,
For example, though this approximation is improves the performance
noticeably for DF on A57, for SF, not so much, if at all.
I'm sti
Add precision choices for the reciprocal square root approximation
Allow a target to prefer such operation depending on the FP
precision.
gcc/
* config/aarch64/aarch64-protos.h
(AARCH64_EXTRA_TUNE_APPROX_RSQRT): New macro.
* config/a
Add precision choices for the reciprocal square root approximation
Allow a target to prefer such operation depending on the FP
precision.
gcc/
* config/aarch64/aarch64-protos.h
(AARCH64_EXTRA_TUNE_APPROX_RSQRT): New macro.
* config/a
Hi Evandro,
> For example, though this approximation is improves the performance
> noticeably for DF on A57, for SF, not so much, if at all.
I'm still skeptical that you ever can get any gain on scalars. I bet the only
gain is on
4x vectorized floats.
So what I would like to see is this impleme
On 03/18/16 10:21, Wilco Dijkstra wrote:
Hi Evandro,
For example, though this approximation is improves the performance
noticeably for DF on A57, for SF, not so much, if at all.
I'm still skeptical that you ever can get any gain on scalars. I bet the only
gain is on
4x vectorized floats.
I
Evandro Menezes wrote:
> On 03/18/16 10:21, Wilco Dijkstra wrote:
> > Hi Evandro,
> >
> >> For example, though this approximation is improves the performance
> >> noticeably for DF on A57, for SF, not so much, if at all.
> > I'm still skeptical that you ever can get any gain on scalars. I bet the
On 03/18/16 17:20, Wilco Dijkstra wrote:
Evandro Menezes wrote:
On 03/18/16 10:21, Wilco Dijkstra wrote:
Hi Evandro,
For example, though this approximation is improves the performance
noticeably for DF on A57, for SF, not so much, if at all.
I'm still skeptical that you ever can get any gai
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