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Khronos has announced a Request For Quotations for a WebCL Kernel Validator. The Validator will enforce compliance of WebCL kernels with the defined WebCL language restrictions, and prevent out of bounds memory accesses. The WebCL kernel Validator will enforce out of bounds memory protections, and will perform syntactic validation of WebCL kernels. The We...

On Mon, Oct 22, 2012 at 3:38 AM, Jonas Paulsson <jonas.paulsson at ericsson.com> wrote: > Hi, > > > > I tried transforming code that loads an immediate into a virtual register, > and then uses that virtual register in various ways, into code that uses > immediate operands instead. I suspect a concrete example might be helpful in demonstrating the specific issue. >

Hi, I tried transforming code that loads an immediate into a virtual register, and then uses that virtual register in various ways, into code that uses immediate operands instead. To my surprise, this made the register allocator produce worse code in many cases. It seems that it is splitting live intervals and spilling more. In some cases the code was better. I wonder how this could be?

Our Advanced Software Platform team at Samsung Research America - Silicon Valley at San Jose, CA is working on some GPGPU-related projects including OpenCL, WebCL, and WebVision, and we have an open position for summer internship for graduate students. A candidate who is good at programming clang/LLVM (required) and ARM instructions (desired) and has knowledge on OpenCL (required) and ARM architecture (desired) can apply for this position. If you're in...