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[diffusion] improve: use conv2d width padding in wanvae (#27081)

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Mick
2026-06-03 10:14:50 +08:00
committed by GitHub
parent 13852d3f31
commit f0e18be0ba
1 changed files with 6 additions and 5 deletions
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python/sglang/multimodal_gen/runtime/models/vaes/parallel/wan_dist_utils.py
+6 -5
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@@ -202,23 +202,24 @@ class WanDistConv2d(nn.Conv2d):
self.padding: tuple[int, int]
if self.height_halo_size > 0:
self._padding = (self.padding[1], self.padding[1], 0, 0)
self._padding = (0, 0, 0, 0)
else:
self._padding = (
self.padding[1],
self.padding[1],
0,
0,
self.padding[0],
self.padding[0],
)
self.padding = (0, 0)
self.padding = (0, self.padding[1])
self._halo_recv_top_buf: torch.Tensor | None = None
self._halo_recv_bottom_buf: torch.Tensor | None = None
self.rank = get_sp_parallel_rank()
self.world_size = get_sp_world_size()
def forward(self, x):
x = F.pad(x, self._padding)
if any(self._padding):
x = F.pad(x, self._padding)
x_padded, self._halo_recv_top_buf, self._halo_recv_bottom_buf = halo_exchange(
x,