Why do GPUs Use SIMT - Isn't SIMT Slow With Branching?
Almost all modern GPUs use the Single-Instruction Multiple-Thread (SIMT) architecture. With SIMT a group of threads (or wavefront) execute the same instruction in lock-step.
Almost all modern GPUs use the Single-Instruction Multiple-Thread (SIMT) architecture. With SIMT a group of threads (or wavefront) execute the same instruction in lock-step.
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