On Tue, 11 Oct 2022, juzhe.zh...@rivai.ai wrote:
> Hi, I apply this patch in RVV downstrean. Tested it with a lot of vector
> benchmark. It overal has a greate performance gain.
> Maybe the last thing to merge this patch is wait for Richard Sandiford test
> it in ARM SVE?
>
> By the way, would
Richard Biener writes:
> On Tue, 11 Oct 2022, Richard Sandiford wrote:
>
>> Richard Biener writes:
>> > On Mon, 10 Oct 2022, Andrew Stubbs wrote:
>> >> On 10/10/2022 12:03, Richard Biener wrote:
>> >> > The following picks up the prototype by Ju-Zhe Zhong for vectorizing
>> >> > first order recur
On Fri, 14 Oct 2022, Andrew Stubbs wrote:
> On 14/10/2022 08:07, Richard Biener wrote:
> > On Tue, 11 Oct 2022, Richard Sandiford wrote:
> >
> >> Richard Biener writes:
> >>> On Mon, 10 Oct 2022, Andrew Stubbs wrote:
> On 10/10/2022 12:03, Richard Biener wrote:
> > The following picks u
On 14/10/2022 08:07, Richard Biener wrote:
On Tue, 11 Oct 2022, Richard Sandiford wrote:
Richard Biener writes:
On Mon, 10 Oct 2022, Andrew Stubbs wrote:
On 10/10/2022 12:03, Richard Biener wrote:
The following picks up the prototype by Ju-Zhe Zhong for vectorizing
first order recurrences.
LGTM.
juzhe.zh...@rivai.ai
From: Richard Biener
Date: 2022-10-14 15:07
To: Richard Sandiford
CC: Andrew Stubbs; gcc-patches; juzhe.zhong
Subject: Re: [PATCH][RFT] Vectorization of first-order recurrences
On Tue, 11 Oct 2022, Richard Sandiford wrote:
> Richard Biener writes:
> > O
On Tue, 11 Oct 2022, Richard Sandiford wrote:
> Richard Biener writes:
> > On Mon, 10 Oct 2022, Andrew Stubbs wrote:
> >> On 10/10/2022 12:03, Richard Biener wrote:
> >> > The following picks up the prototype by Ju-Zhe Zhong for vectorizing
> >> > first order recurrences. That solves two TSVC mi
Richard Biener writes:
> + /* First-order recurrence autovectorization needs to handle permutation
> + with indices = [nunits-1, nunits, nunits+1, ...]. */
> + vec_perm_builder sel (nunits, 1, 3);
> + for (int i = 0; i < 3; ++i)
> +sel.quick_push (nunits - dist + i);
> + vec_perm_indi
Richard Biener writes:
> On Mon, 10 Oct 2022, Andrew Stubbs wrote:
>> On 10/10/2022 12:03, Richard Biener wrote:
>> > The following picks up the prototype by Ju-Zhe Zhong for vectorizing
>> > first order recurrences. That solves two TSVC missed optimization PRs.
>> >
>> > There's a new scalar cy
but Clang succeed ?
I am familiar with LLVM. I think I can do this job.
Thanks.
juzhe.zh...@rivai.ai
From: Richard Biener
Date: 2022-10-10 19:03
To: gcc-patches
CC: richard.sandiford; ams; juzhe.zhong
Subject: [PATCH][RFT] Vectorization of first-order recurrences
The following picks up the
On Mon, 10 Oct 2022, Andrew Stubbs wrote:
> On 10/10/2022 12:03, Richard Biener wrote:
> > The following picks up the prototype by Ju-Zhe Zhong for vectorizing
> > first order recurrences. That solves two TSVC missed optimization PRs.
> >
> > There's a new scalar cycle def kind, vect_first_order
0 21:57
To: Richard Biener; gcc-patches@gcc.gnu.org
CC: richard.sandif...@arm.com; juzhe.zh...@rivai.ai
Subject: Re: [PATCH][RFT] Vectorization of first-order recurrences
On 10/10/2022 12:03, Richard Biener wrote:
> The following picks up the prototype by Ju-Zhe Zhong for vectorizing
> first o
On 10/10/2022 12:03, Richard Biener wrote:
The following picks up the prototype by Ju-Zhe Zhong for vectorizing
first order recurrences. That solves two TSVC missed optimization PRs.
There's a new scalar cycle def kind, vect_first_order_recurrence
and it's handling of the backedge value vectori
Thank you so much. I will apply this patch and test it in downstream RVV GCC
（12.2.0)
juzhe.zh...@rivai.ai
From: Richard Biener
Date: 2022-10-10 19:03
To: gcc-patches
CC: richard.sandiford; ams; juzhe.zhong
Subject: [PATCH][RFT] Vectorization of first-order recurrences
The following picks up
The following picks up the prototype by Ju-Zhe Zhong for vectorizing
first order recurrences. That solves two TSVC missed optimization PRs.
There's a new scalar cycle def kind, vect_first_order_recurrence
and it's handling of the backedge value vectorization is complicated
by the fact that the ve
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