Video latent denoising UNet block
Complete U-Net style denoising block for video latent diffusion combining temporal self-attention, spatial self-attention, cross-attention with text conditioning, and feedforward network. Processes video latents at each denoising timestep with different attention patterns across temporal and spatial dimensions.
Reported evidence · last observed 2026-08-20. Reported by source; not independently reproduced. No public source. License unknown.
Current records
Workloadsuite of 16 cases · mean latencyhead_dim = 64 · hidden_size = 1024 · hidden_size_x2 = 2048 · hidden_size_x3 = 3072 · intermediate_size = 4096 · num_attention_heads = 1616 cases
Not measured on H100 for this workload. Challenges →
1751.7µs71% SOL1.00×Reported · license unknown · no source2026-08-20
Measured exactly what you asked. Reported by source; not independently reproduced.
2765.2µs71% SOL1.02×Reported · license unknown · no source2026-08-15
Measured exactly what you asked. Reported by source; not independently reproduced.
3809.9µs69% SOL1.08×Reported · license unknown · no source2026-07-10
Measured exactly what you asked. Reported by source; not independently reproduced.
4812.9µs69% SOL1.08×Reported · license unknown · no source2026-07-17
Measured exactly what you asked. Reported by source; not independently reproduced.
5831.2µs68% SOL1.11×Reported · license unknown · no source2026-07-10
Measured exactly what you asked. Reported by source; not independently reproduced.
6854.6µs67% SOL1.14×Reported · license unknown · no source2026-07-22
Measured exactly what you asked. Reported by source; not independently reproduced.
7899.2µs65% SOL1.20×Reported · license unknown · no source2026-07-14
Measured exactly what you asked. Reported by source; not independently reproduced.
8937.0µs64% SOL1.25×Reported · license unknown · no source2026-08-11
Measured exactly what you asked. Reported by source; not independently reproduced.
91.15ms58% SOL1.53×Reported · license unknown · no source2026-07-10
Measured exactly what you asked. Reported by source; not independently reproduced.
101.44ms50% SOL1.92×Reported · license unknown · no source2026-07-10
Measured exactly what you asked. Reported by source; not independently reproduced.
111.59ms47% SOL2.12×Reported · license unknown · no source2026-07-10
Measured exactly what you asked. Reported by source; not independently reproduced.
121.61ms47% SOL2.14×Reported · license unknown · no source2026-07-25
Measured exactly what you asked. Reported by source; not independently reproduced.
133.06ms30% SOL4.07×Reported · license unknown · no source2026-07-23
Measured exactly what you asked. Reported by source; not independently reproduced.
143.07ms30% SOL4.08×Reported · license unknown · no source2026-07-25
Measured exactly what you asked. Reported by source; not independently reproduced.