diff --git a/comfy/model_management.py b/comfy/model_management.py index 0f5966371..809600815 100644 --- a/comfy/model_management.py +++ b/comfy/model_management.py @@ -830,11 +830,14 @@ def unet_offload_device(): return torch.device("cpu") def unet_inital_load_device(parameters, dtype): + cpu_dev = torch.device("cpu") + if comfy.memory_management.aimdo_enabled: + return cpu_dev + torch_dev = get_torch_device() if vram_state == VRAMState.HIGH_VRAM or vram_state == VRAMState.SHARED: return torch_dev - cpu_dev = torch.device("cpu") if DISABLE_SMART_MEMORY or vram_state == VRAMState.NO_VRAM: return cpu_dev @@ -842,7 +845,7 @@ def unet_inital_load_device(parameters, dtype): mem_dev = get_free_memory(torch_dev) mem_cpu = get_free_memory(cpu_dev) - if mem_dev > mem_cpu and model_size < mem_dev and comfy.memory_management.aimdo_enabled: + if mem_dev > mem_cpu and model_size < mem_dev: return torch_dev else: return cpu_dev @@ -945,6 +948,9 @@ def text_encoder_device(): return torch.device("cpu") def text_encoder_initial_device(load_device, offload_device, model_size=0): + if comfy.memory_management.aimdo_enabled: + return offload_device + if load_device == offload_device or model_size <= 1024 * 1024 * 1024: return offload_device diff --git a/comfy/model_patcher.py b/comfy/model_patcher.py index 70f78a089..7e5ad7aa4 100644 --- a/comfy/model_patcher.py +++ b/comfy/model_patcher.py @@ -307,7 +307,13 @@ class ModelPatcher: return self.model.lowvram_patch_counter def get_free_memory(self, device): - return comfy.model_management.get_free_memory(device) + #Prioritize batching (incl. CFG/conds etc) over keeping the model resident. In + #the vast majority of setups a little bit of offloading on the giant model more + #than pays for CFG. So return everything both torch and Aimdo could give us + aimdo_mem = 0 + if comfy.memory_management.aimdo_enabled: + aimdo_mem = comfy_aimdo.model_vbar.vbars_analyze() + return comfy.model_management.get_free_memory(device) + aimdo_mem def get_clone_model_override(self): return self.model, (self.backup, self.backup_buffers, self.object_patches_backup, self.pinned) @@ -699,7 +705,7 @@ class ModelPatcher: for key in list(self.pinned): self.unpin_weight(key) - def _load_list(self, prio_comfy_cast_weights=False, default_device=None): + def _load_list(self, for_dynamic=False, default_device=None): loading = [] for n, m in self.model.named_modules(): default = False @@ -727,8 +733,13 @@ class ModelPatcher: return 0 module_offload_mem += check_module_offload_mem("{}.weight".format(n)) module_offload_mem += check_module_offload_mem("{}.bias".format(n)) - prepend = (not hasattr(m, "comfy_cast_weights"),) if prio_comfy_cast_weights else () - loading.append(prepend + (module_offload_mem, module_mem, n, m, params)) + # Dynamic: small weights (<64KB) first, then larger weights prioritized by size. + # Non-dynamic: prioritize by module offload cost. + if for_dynamic: + sort_criteria = (module_offload_mem >= 64 * 1024, -module_offload_mem) + else: + sort_criteria = (module_offload_mem,) + loading.append(sort_criteria + (module_mem, n, m, params)) return loading def load(self, device_to=None, lowvram_model_memory=0, force_patch_weights=False, full_load=False): @@ -1460,12 +1471,6 @@ class ModelPatcherDynamic(ModelPatcher): vbar = self._vbar_get() return (vbar.loaded_size() if vbar is not None else 0) + self.model.model_loaded_weight_memory - def get_free_memory(self, device): - #NOTE: on high condition / batch counts, estimate should have already vacated - #all non-dynamic models so this is safe even if its not 100% true that this - #would all be avaiable for inference use. - return comfy.model_management.get_total_memory(device) - self.model_size() - #Pinning is deferred to ops time. Assert against this API to avoid pin leaks. def pin_weight_to_device(self, key): @@ -1508,11 +1513,11 @@ class ModelPatcherDynamic(ModelPatcher): if vbar is not None: vbar.prioritize() - loading = self._load_list(prio_comfy_cast_weights=True, default_device=device_to) - loading.sort(reverse=True) + loading = self._load_list(for_dynamic=True, default_device=device_to) + loading.sort() for x in loading: - _, _, _, n, m, params = x + *_, module_mem, n, m, params = x def set_dirty(item, dirty): if dirty or not hasattr(item, "_v_signature"): @@ -1627,9 +1632,9 @@ class ModelPatcherDynamic(ModelPatcher): return freed def partially_unload_ram(self, ram_to_unload): - loading = self._load_list(prio_comfy_cast_weights=True, default_device=self.offload_device) + loading = self._load_list(for_dynamic=True, default_device=self.offload_device) for x in loading: - _, _, _, _, m, _ = x + *_, m, _ = x ram_to_unload -= comfy.pinned_memory.unpin_memory(m) if ram_to_unload <= 0: return diff --git a/comfy/ops.py b/comfy/ops.py index 6ee6075fb..8275dd0a5 100644 --- a/comfy/ops.py +++ b/comfy/ops.py @@ -269,8 +269,8 @@ def uncast_bias_weight(s, weight, bias, offload_stream): return os, weight_a, bias_a = offload_stream device=None - #FIXME: This is not good RTTI - if not isinstance(weight_a, torch.Tensor): + #FIXME: This is really bad RTTI + if weight_a is not None and not isinstance(weight_a, torch.Tensor): comfy_aimdo.model_vbar.vbar_unpin(s._v) device = weight_a if os is None: diff --git a/comfy/sd.py b/comfy/sd.py index 0782ab0bf..f10b339af 100644 --- a/comfy/sd.py +++ b/comfy/sd.py @@ -429,7 +429,7 @@ class CLIP: def generate(self, tokens, do_sample=True, max_length=256, temperature=1.0, top_k=50, top_p=0.95, min_p=0.0, repetition_penalty=1.0, seed=None): self.cond_stage_model.reset_clip_options() - self.load_model() + self.load_model(tokens) self.cond_stage_model.set_clip_options({"layer": None}) self.cond_stage_model.set_clip_options({"execution_device": self.patcher.load_device}) return self.cond_stage_model.generate(tokens, do_sample=do_sample, max_length=max_length, temperature=temperature, top_k=top_k, top_p=top_p, min_p=min_p, repetition_penalty=repetition_penalty, seed=seed) diff --git a/requirements.txt b/requirements.txt index 608b0cfa6..dae46d873 100644 --- a/requirements.txt +++ b/requirements.txt @@ -22,7 +22,7 @@ alembic SQLAlchemy av>=14.2.0 comfy-kitchen>=0.2.7 -comfy-aimdo>=0.2.4 +comfy-aimdo>=0.2.6 requests #non essential dependencies: