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Merge pull request #8782 from FNSpd/master

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--upcast-sampling support for CUDA
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AUTOMATIC1111 2023-03-25 09:10:01 +03:00 committed by GitHub
commit 03c8eefbcc
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3 changed files with 4 additions and 3 deletions
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1
extensions-builtin/Lora/lora.py
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@ -178,6 +178,7 @@ def load_loras(names, multipliers=None):
def lora_forward(module, input, res):
input = devices.cond_cast_unet(input)
if len(loaded_loras) == 0:
return res

4
modules/sd_hijack_optimizations.py
View File

@ -337,7 +337,7 @@ def xformers_attention_forward(self, x, context=None, mask=None):
dtype = q.dtype
if shared.opts.upcast_attn:
q, k = q.float(), k.float()
q, k, v = q.float(), k.float(), v.float()
out = xformers.ops.memory_efficient_attention(q, k, v, attn_bias=None, op=get_xformers_flash_attention_op(q, k, v))
@ -372,7 +372,7 @@ def scaled_dot_product_attention_forward(self, x, context=None, mask=None):
dtype = q.dtype
if shared.opts.upcast_attn:
q, k = q.float(), k.float()
q, k, v = q.float(), k.float(), v.float()
# the output of sdp = (batch, num_heads, seq_len, head_dim)
hidden_states = torch.nn.functional.scaled_dot_product_attention(

2
modules/sd_hijack_unet.py
View File

@ -67,7 +67,7 @@ def hijack_ddpm_edit():
unet_needs_upcast = lambda *args, **kwargs: devices.unet_needs_upcast
CondFunc('ldm.models.diffusion.ddpm.LatentDiffusion.apply_model', apply_model, unet_needs_upcast)
CondFunc('ldm.modules.diffusionmodules.openaimodel.timestep_embedding', lambda orig_func, timesteps, *args, **kwargs: orig_func(timesteps, *args, **kwargs).to(torch.float32 if timesteps.dtype == torch.int64 else devices.dtype_unet), unet_needs_upcast)
if version.parse(torch.__version__) <= version.parse("1.13.1"):
if version.parse(torch.__version__) <= version.parse("1.13.2") or torch.cuda.is_available():
CondFunc('ldm.modules.diffusionmodules.util.GroupNorm32.forward', lambda orig_func, self, *args, **kwargs: orig_func(self.float(), *args, **kwargs), unet_needs_upcast)
CondFunc('ldm.modules.attention.GEGLU.forward', lambda orig_func, self, x: orig_func(self.float(), x.float()).to(devices.dtype_unet), unet_needs_upcast)
CondFunc('open_clip.transformer.ResidualAttentionBlock.__init__', lambda orig_func, *args, **kwargs: kwargs.update({'act_layer': GELUHijack}) and False or orig_func(*args, **kwargs), lambda _, *args, **kwargs: kwargs.get('act_layer') is None or kwargs['act_layer'] == torch.nn.GELU)