What is Single instruction, multiple threads (SIMT)?
An execution model in which programs are written per thread while hardware bundles threads into warps (32 on NVIDIA) that execute the same instruction in lockstep.
Field: GPU Programming
Single instruction, multiple threads (SIMT) in the explanations
With GPU SIMT the programmer writes ordinary code for a single thread, and the hardware bundles 32 threads to execute in lockstep.
How does the GPU SIMT (single instruction, multiple threads…Running code written as threads in lockstep bundles like this is called SIMT.
On NVIDIA GPUs, what is the unit of 32 threads bundled toge…
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Related terms
GPU SIMD Bank conflict Constant memory CUDA GPU kernel GPU occupancy GPU shared memory Grid-stride loop Latency hiding