From d0f4dd0ebc26a4e7fd2919d22f3a1d2b91c6566b Mon Sep 17 00:00:00 2001 From: Daniel Maddern Date: Thu, 13 Aug 2026 21:50:53 +0700 Subject: [PATCH] Match Comfy H3 timestep precision --- src/h3_blackwell_runtime/packing.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/h3_blackwell_runtime/packing.py b/src/h3_blackwell_runtime/packing.py index a92fe20..5221154 100644 --- a/src/h3_blackwell_runtime/packing.py +++ b/src/h3_blackwell_runtime/packing.py @@ -79,7 +79,7 @@ class H3PromptPacker: video_sigma = torch.tensor(float(sigma), device=hidden.device).clamp(min=1e-6) base = video_sigma / (12.0 + video_sigma * (1.0 - 12.0)) audio_sigma = 3.0 * base / (1.0 + (3.0 - 1.0) * base) - video_time, audio_time = 1 - float(video_sigma), 1 - float(audio_sigma) + video_time, audio_time = (1.0 - video_sigma).item(), (1.0 - audio_sigma).item() unique_times = sorted({video_time, audio_time}) row = {value: index for index, value in enumerate(unique_times)} video_row, audio_row = row[video_time] * 3, row[audio_time] * 3