Hello Rodrigo,
I'm glad to hear about your improvements. Can you share the code?
Of course I will share my code, but I need to do it through my IP
department.
I believe this is not the best approach. Mono.Simd was never intended to be
a variable width simd API. Making such proposition coding
Hello Rodrigo,
Regarding your question unfortunately I cannot apply for GSoC due to time
and other constraints.
With your tips I managed to extend linear scan on to vector registers and
now SIMD code runs much faster. Thank you!
My next (:]) question is about scalarization, i.e. running programs
Hi Sergei,
I'm glad to hear about your improvements. Can you share the code?
I believe this is not the best approach. Mono.Simd was never intended to be
a variable width simd API. Making such proposition
makes coding over it significantly harder.
My suggestion is to implement both scalar
Please do, Sergei I am also very much interested in the code.
Rodrigo Kumpera wrote:
Hi Sergei,
I'm glad to hear about your improvements. Can you share the code?
I believe this is not the best approach. Mono.Simd was never intended
to be a variable width simd API. Making such proposition
Hello Rodrigo,
Just picking up this conversation we had some time ago. I was asking why JIT
does unneeded loads and stores and you answered that this behavior is
because of lack of global reg allocator. I understand it so that any vreg
which is used in different basic blocks is promoted to memory
Hi Sergei,
On Thu, Apr 8, 2010 at 11:59 AM, Sergei Dyshel qyron.priv...@gmail.comwrote:
Hello Rodrigo,
Just picking up this conversation we had some time ago. I was asking why
JIT does unneeded loads and stores and you answered that this behavior is
because of lack of global reg allocator. I
Hi,
Thanks for you answers, these are very good news! Last time I was
checking Mono-LLVM, somewhere in December 2009, it didn't handle SIMD.
The problem with Mono-LLVM is that it's implemented only for x86 and
ARM targets and I basing my research mostly on PowerPC (with Altivec).
By trying to
Hi Sergei,
On Thu, Mar 11, 2010 at 8:30 PM, Sergei Dyshel qyron.priv...@gmail.comwrote:
Hello,
I'm doing some research on vectorization using Mono. I've noticed that
code generated by Mono's JIT contains many unnecessary memory loads
and stores. Here is simple example, the full code is
Hello Rodrigo,
Thanks for the quick answer! But do you mean by it that the only
problem is in lack of global register allocator? What if 'temp' was
not vector but some bare 'int' temporary, would it be loaded and
stored in each iteration?
Another question. I know that there is also LLVM engine in
And what needs to be done to get the global allocator to work?
Rodrigo Kumpera wrote:
Hi Sergei,
On Thu, Mar 11, 2010 at 8:30 PM, Sergei Dyshel
qyron.priv...@gmail.com mailto:qyron.priv...@gmail.com wrote:
Hello,
I'm doing some research on vectorization using Mono. I've noticed that
On Thu, Mar 11, 2010 at 9:15 PM, Sergei Dyshel qyron.priv...@gmail.comwrote:
Hello Rodrigo,
Thanks for the quick answer! But do you mean by it that the only
problem is in lack of global register allocator? What if 'temp' was
not vector but some bare 'int' temporary, would it be loaded and
Finish, test and optimize it. And port to 32bits systems. It it a huge
amount of work.
On Thu, Mar 11, 2010 at 9:29 PM, Jerry Maine - KF5ADY crashfou...@gmail.com
wrote:
And what needs to be done to get the global allocator to work?
Rodrigo Kumpera wrote:
Hi Sergei,
On Thu, Mar 11,
On Thu, Mar 11, 2010 at 9:15 PM, Sergei Dyshel qyron.priv...@gmail.comwrote:
Hello Rodrigo,
Thanks for the quick answer! But do you mean by it that the only
problem is in lack of global register allocator? What if 'temp' was
not vector but some bare 'int' temporary, would it be loaded and
Hi,
After some fixes to the llvm code in mono SVN, it now generates the
following:
d: 0f 10 0fmovups (%rdi),%xmm1
10: 66 0f fe c1 paddd %xmm1,%xmm0
14: 48 83 c7 10 add$0x10,%rdi
18: 89 f1 mov%esi,%ecx
1a:
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