Instruction costs for ARM/NEON

2013-01-09 Thread Renato Golin
Hi all, I'm helping the loop vectorization in LLVM and for that we need first to build the instruction cost model so we can decide whether the vectorization is worth or not. I was looking at some papers, but most of them concern with energy consumption, which is not the issue (at least not for no

Re: Instruction costs for ARM/NEON

2013-01-09 Thread Renato Golin
Nevermind, I found exactly what I was looking for in Infocenter: http://infocenter.arm.com/help/topic/com.arm.doc.ddi0409i/DDI0409I_cortex_a9_neon_mpe_r4p1_trm.pdf cheers, --renato On 9 January 2013 13:35, Renato Golin wrote: > Hi all, > > I'm helping the loop vectorization in LLVM and for th

> Re: Instruction costs for ARM/NEON

2013-01-09 Thread 王韬
Hi, Renato I'm also working on simd cost model for arm neon on Gcc. I would like to discuss this topic with you thoroughly. If you think it's a good idea, please send me an email. Best regards Tao Wang ICT, CAS > -Original Messages- > From:"Renato Golin" > Sent Time:Wednesday, Januar

Re: > Re: Instruction costs for ARM/NEON

2013-01-09 Thread Renato Golin
Hi Tao, Yes, we should definitely talk! Maybe via Hangout. cheers, --renato On 9 January 2013 14:59, 王韬 wrote: > Hi, Renato > > I'm also working on simd cost model for arm neon on Gcc. > I would like to discuss this topic with you thoroughly. > > If you think it's a good idea, please send me