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Blog24.5K views2,844 votes0 replies4,739 following

WebGPU Compute Readback: MAP_READ, Storage Buffers, and CPU Stalls

Read WebGPU compute results back to the CPU safely with STORAGE | MAP_READ buffers, onSubmittedWorkDone, and mapAsync.

map-async gpu-buffer

webgpuTasadduq Burneyowner34.8K rep · 03 Nov 2025, 08:36 UTC