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Use explicit C (not x.shape[-1]) in _merge_tokens

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Daniel Maddern 2026-08-19 22:34:16 +07:00
parent 99a7550a51
commit 571d3541e8
1 changed files with 3 additions and 4 deletions
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src/h3_blackwell_runtime/qwen3vl_vision.py
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@ -678,11 +678,10 @@ class Qwen3VL32BVision(nn.Module):
t = int(first[0].item())
h = int(first[1].item())
w = int(first[2].item())
C = int(x.shape[-1])
merge = 2
print(f"[merge_tokens] x.shape={tuple(x.shape)}, t={t}, h={h}, w={w}, "
f"target=({t}, {h//merge}, {merge}, {w//merge}, {merge}, {x.shape[-1]}), "
f"prod={t*(h//merge)*merge*(w//merge)*merge*x.shape[-1]}", flush=True)
return x.view((t, h // merge, merge, w // merge, merge, x.shape[-1])).permute(0, 1, 3, 2, 4, 5).reshape(-1, -1)
target = (t, h // merge, merge, w // merge, merge, C)
return x.view(target).permute(0, 1, 3, 2, 4, 5).reshape(-1, C // (merge * merge))
def forward(self, flatten_patches: torch.Tensor, grid_thw: torch.Tensor) -> tuple[torch.Tensor, list[torch.Tensor]]:
"""Run the visual tower -> (merged, deepstack)."""