Total GPU time (ms) for one frame: the sum of every pass's duration. WebGPU passes on one queue do not overlap, so summing durations is the frame total — there is no separate "frame envelope" timestamp pair to reconcile against.
Total GPU time (ms) for one frame: the sum of every pass's duration. WebGPU passes on one queue do not overlap, so summing durations is the frame total — there is no separate "frame envelope" timestamp pair to reconcile against.