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Merged
princepride merged 1 commit into from
Mar 4, 2026
Merged

Support NPU #7

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10 changes: 6 additions & 4 deletions vllm_omni/diffusion/models/helios/scheduling_helios.py
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Original file line number Diff line number Diff line change
Expand Up @@ -410,12 +410,13 @@ def multistep_uni_p_bh_update(
D1s.append((mi - m0) / rk)

rks.append(1.0)
rks = torch.tensor(rks, device=device)
rks = torch.tensor(rks, device=device, dtype=torch.float32)

R = []
b = []

hh = -h if self.predict_x0 else h
hh = hh.float()
h_phi_1 = torch.expm1(hh)
h_phi_k = h_phi_1 / hh - 1

Expand All @@ -435,7 +436,7 @@ def multistep_uni_p_bh_update(
h_phi_k = h_phi_k / hh - 1 / factorial_i

R = torch.stack(R)
b = torch.tensor(b, device=device)
b = torch.tensor(b, device=device, dtype=torch.float32)

if len(D1s) > 0:
D1s = torch.stack(D1s, dim=1)
Expand Down Expand Up @@ -523,12 +524,13 @@ def multistep_uni_c_bh_update(
D1s.append((mi - m0) / rk)

rks.append(1.0)
rks = torch.tensor(rks, device=device)
rks = torch.tensor(rks, device=device, dtype=torch.float32)

R = []
b = []

hh = -h if self.predict_x0 else h
hh = hh.float()
h_phi_1 = torch.expm1(hh)
h_phi_k = h_phi_1 / hh - 1

Expand All @@ -548,7 +550,7 @@ def multistep_uni_c_bh_update(
h_phi_k = h_phi_k / hh - 1 / factorial_i

R = torch.stack(R)
b = torch.tensor(b, device=device)
b = torch.tensor(b, device=device, dtype=torch.float32)

if len(D1s) > 0:
D1s = torch.stack(D1s, dim=1)
Expand Down