On Sat, Sep 23, 2023 at 2:54 PM Hanke Zhang via Gcc wrote:
>
> Hi, I have been very interested in loop fusion recently. I found that
> both LLVM and icc have implemented this optimization. I also noticed
> that gcc does not seem to implement it.
>
> I would like to ask if gcc have any plans to imp
On 04/24/2018 09:18 AM, Richard Biener wrote:
On Mon, Apr 23, 2018 at 8:35 PM, Toon Moene wrote:
On 04/23/2018 01:00 PM, Richard Biener wrote:
Note that while it looks "obvious" in the above source fragment the IL
that is presented to optimizers may make things a lot less "low-hanging".
On Mon, Apr 23, 2018 at 8:35 PM, Toon Moene wrote:
> On 04/23/2018 01:00 PM, Richard Biener wrote:
>
>> On Sun, Apr 22, 2018 at 4:27 PM, Toon Moene wrote:
>>>
>>> A few days ago there was a rant on the Fortran Standardization
>>> Committee's
>>> e-mail list about Fortran's "whole array arithmetic
On 04/23/2018 01:00 PM, Richard Biener wrote:
On Sun, Apr 22, 2018 at 4:27 PM, Toon Moene wrote:
A few days ago there was a rant on the Fortran Standardization Committee's
e-mail list about Fortran's "whole array arithmetic" being unoptimizable.
An example picked at random from our weather fo
On Mon, Apr 23, 2018 at 2:31 PM, Janne Blomqvist
wrote:
> On Mon, Apr 23, 2018 at 2:02 PM, Richard Biener
> wrote:
>>
>> On Mon, Apr 23, 2018 at 12:59 PM, Bin.Cheng wrote:
>> > On Sun, Apr 22, 2018 at 3:27 PM, Toon Moene wrote:
>> >> A few days ago there was a rant on the Fortran Standardizatio
On Mon, Apr 23, 2018 at 2:02 PM, Richard Biener
wrote:
> On Mon, Apr 23, 2018 at 12:59 PM, Bin.Cheng wrote:
> > On Sun, Apr 22, 2018 at 3:27 PM, Toon Moene wrote:
> >> A few days ago there was a rant on the Fortran Standardization
> Committee's
> >> e-mail list about Fortran's "whole array arit
On Mon, Apr 23, 2018 at 12:59 PM, Bin.Cheng wrote:
> On Sun, Apr 22, 2018 at 3:27 PM, Toon Moene wrote:
>> A few days ago there was a rant on the Fortran Standardization Committee's
>> e-mail list about Fortran's "whole array arithmetic" being unoptimizable.
>>
>> An example picked at random from
On Sun, Apr 22, 2018 at 4:27 PM, Toon Moene wrote:
> A few days ago there was a rant on the Fortran Standardization Committee's
> e-mail list about Fortran's "whole array arithmetic" being unoptimizable.
>
> An example picked at random from our weather forecasting code:
>
> ZQICE(1:NPROMA,1:NF
On Sun, Apr 22, 2018 at 3:27 PM, Toon Moene wrote:
> A few days ago there was a rant on the Fortran Standardization Committee's
> e-mail list about Fortran's "whole array arithmetic" being unoptimizable.
>
> An example picked at random from our weather forecasting code:
>
> ZQICE(1:NPROMA,1:NF
On Wed, Apr 22, 2015 at 10:05 PM, Toon Moene wrote:
> On 04/22/2015 09:10 PM, Steven Bosscher wrote:
>
>> On Wed, Apr 22, 2015 at 6:59 PM, Toon Moene wrote:
>
>
>>> Why is loop fusion important, especially in Fortran 90 and later programs
>>> ?
>>>
>>> Because without it, every array assignment is
On 04/22/2015 09:10 PM, Steven Bosscher wrote:
On Wed, Apr 22, 2015 at 6:59 PM, Toon Moene wrote:
Why is loop fusion important, especially in Fortran 90 and later programs ?
Because without it, every array assignment is a single loop nest, isolated
from related, same-shape assignments.
Why
On Wed, Apr 22, 2015 at 6:59 PM, Toon Moene wrote:
> Why is loop fusion important, especially in Fortran 90 and later programs ?
>
> Because without it, every array assignment is a single loop nest, isolated
> from related, same-shape assignments.
Why is this a bad thing? When you're talking about
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