ComfyUI/comfy/isolation/model_sampling_proxy.py
2026-03-04 12:45:09 -06:00

361 lines
12 KiB
Python

# pylint: disable=import-outside-toplevel
from __future__ import annotations
import asyncio
import logging
import os
import threading
import time
from typing import Any
from comfy.isolation.proxies.base import (
BaseProxy,
BaseRegistry,
detach_if_grad,
get_thread_loop,
run_coro_in_new_loop,
)
logger = logging.getLogger(__name__)
def _describe_value(obj: Any) -> str:
try:
import torch
except Exception:
torch = None
try:
if torch is not None and isinstance(obj, torch.Tensor):
return (
"Tensor(shape=%s,dtype=%s,device=%s,id=%s)"
% (tuple(obj.shape), obj.dtype, obj.device, id(obj))
)
except Exception:
pass
return "%s(id=%s)" % (type(obj).__name__, id(obj))
def _prefer_device(*tensors: Any) -> Any:
try:
import torch
except Exception:
return None
for t in tensors:
if isinstance(t, torch.Tensor) and t.is_cuda:
return t.device
for t in tensors:
if isinstance(t, torch.Tensor):
return t.device
return None
def _to_device(obj: Any, device: Any) -> Any:
try:
import torch
except Exception:
return obj
if device is None:
return obj
if isinstance(obj, torch.Tensor):
if obj.device != device:
return obj.to(device)
return obj
if isinstance(obj, (list, tuple)):
converted = [_to_device(x, device) for x in obj]
return type(obj)(converted) if isinstance(obj, tuple) else converted
if isinstance(obj, dict):
return {k: _to_device(v, device) for k, v in obj.items()}
return obj
def _to_cpu_for_rpc(obj: Any) -> Any:
try:
import torch
except Exception:
return obj
if isinstance(obj, torch.Tensor):
t = obj.detach() if obj.requires_grad else obj
if t.is_cuda:
return t.to("cpu")
return t
if isinstance(obj, (list, tuple)):
converted = [_to_cpu_for_rpc(x) for x in obj]
return type(obj)(converted) if isinstance(obj, tuple) else converted
if isinstance(obj, dict):
return {k: _to_cpu_for_rpc(v) for k, v in obj.items()}
return obj
class ModelSamplingRegistry(BaseRegistry[Any]):
_type_prefix = "modelsampling"
async def calculate_input(self, instance_id: str, sigma: Any, noise: Any) -> Any:
sampling = self._get_instance(instance_id)
return detach_if_grad(sampling.calculate_input(sigma, noise))
async def calculate_denoised(
self, instance_id: str, sigma: Any, model_output: Any, model_input: Any
) -> Any:
sampling = self._get_instance(instance_id)
return detach_if_grad(
sampling.calculate_denoised(sigma, model_output, model_input)
)
async def noise_scaling(
self,
instance_id: str,
sigma: Any,
noise: Any,
latent_image: Any,
max_denoise: bool = False,
) -> Any:
sampling = self._get_instance(instance_id)
return detach_if_grad(
sampling.noise_scaling(sigma, noise, latent_image, max_denoise=max_denoise)
)
async def inverse_noise_scaling(
self, instance_id: str, sigma: Any, latent: Any
) -> Any:
sampling = self._get_instance(instance_id)
return detach_if_grad(sampling.inverse_noise_scaling(sigma, latent))
async def timestep(self, instance_id: str, sigma: Any) -> Any:
sampling = self._get_instance(instance_id)
return sampling.timestep(sigma)
async def sigma(self, instance_id: str, timestep: Any) -> Any:
sampling = self._get_instance(instance_id)
return sampling.sigma(timestep)
async def percent_to_sigma(self, instance_id: str, percent: float) -> Any:
sampling = self._get_instance(instance_id)
return sampling.percent_to_sigma(percent)
async def get_sigma_min(self, instance_id: str) -> Any:
sampling = self._get_instance(instance_id)
return detach_if_grad(sampling.sigma_min)
async def get_sigma_max(self, instance_id: str) -> Any:
sampling = self._get_instance(instance_id)
return detach_if_grad(sampling.sigma_max)
async def get_sigma_data(self, instance_id: str) -> Any:
sampling = self._get_instance(instance_id)
return detach_if_grad(sampling.sigma_data)
async def get_sigmas(self, instance_id: str) -> Any:
sampling = self._get_instance(instance_id)
return detach_if_grad(sampling.sigmas)
async def set_sigmas(self, instance_id: str, sigmas: Any) -> None:
sampling = self._get_instance(instance_id)
sampling.set_sigmas(sigmas)
class ModelSamplingProxy(BaseProxy[ModelSamplingRegistry]):
_registry_class = ModelSamplingRegistry
__module__ = "comfy.isolation.model_sampling_proxy"
def _get_rpc(self) -> Any:
if self._rpc_caller is None:
from pyisolate._internal.rpc_protocol import get_child_rpc_instance
rpc = get_child_rpc_instance()
if rpc is not None:
self._rpc_caller = rpc.create_caller(
ModelSamplingRegistry, ModelSamplingRegistry.get_remote_id()
)
else:
registry = ModelSamplingRegistry()
class _LocalCaller:
def calculate_input(
self, instance_id: str, sigma: Any, noise: Any
) -> Any:
return registry.calculate_input(instance_id, sigma, noise)
def calculate_denoised(
self,
instance_id: str,
sigma: Any,
model_output: Any,
model_input: Any,
) -> Any:
return registry.calculate_denoised(
instance_id, sigma, model_output, model_input
)
def noise_scaling(
self,
instance_id: str,
sigma: Any,
noise: Any,
latent_image: Any,
max_denoise: bool = False,
) -> Any:
return registry.noise_scaling(
instance_id, sigma, noise, latent_image, max_denoise
)
def inverse_noise_scaling(
self, instance_id: str, sigma: Any, latent: Any
) -> Any:
return registry.inverse_noise_scaling(
instance_id, sigma, latent
)
def timestep(self, instance_id: str, sigma: Any) -> Any:
return registry.timestep(instance_id, sigma)
def sigma(self, instance_id: str, timestep: Any) -> Any:
return registry.sigma(instance_id, timestep)
def percent_to_sigma(self, instance_id: str, percent: float) -> Any:
return registry.percent_to_sigma(instance_id, percent)
def get_sigma_min(self, instance_id: str) -> Any:
return registry.get_sigma_min(instance_id)
def get_sigma_max(self, instance_id: str) -> Any:
return registry.get_sigma_max(instance_id)
def get_sigma_data(self, instance_id: str) -> Any:
return registry.get_sigma_data(instance_id)
def get_sigmas(self, instance_id: str) -> Any:
return registry.get_sigmas(instance_id)
def set_sigmas(self, instance_id: str, sigmas: Any) -> None:
return registry.set_sigmas(instance_id, sigmas)
self._rpc_caller = _LocalCaller()
return self._rpc_caller
def _call(self, method_name: str, *args: Any) -> Any:
rpc = self._get_rpc()
method = getattr(rpc, method_name)
result = method(self._instance_id, *args)
timeout_ms = self._rpc_timeout_ms()
start_epoch = time.time()
start_perf = time.perf_counter()
thread_id = threading.get_ident()
call_id = "%s:%s:%s:%.6f" % (
self._instance_id,
method_name,
thread_id,
start_perf,
)
logger.debug(
"ISO:modelsampling_rpc_start method=%s instance_id=%s call_id=%s start_ts=%.6f thread=%s timeout_ms=%s",
method_name,
self._instance_id,
call_id,
start_epoch,
thread_id,
timeout_ms,
)
if asyncio.iscoroutine(result):
result = asyncio.wait_for(result, timeout=timeout_ms / 1000.0)
try:
asyncio.get_running_loop()
out = run_coro_in_new_loop(result)
except RuntimeError:
loop = get_thread_loop()
out = loop.run_until_complete(result)
else:
out = result
logger.debug(
"ISO:modelsampling_rpc_after_await method=%s instance_id=%s call_id=%s out=%s",
method_name,
self._instance_id,
call_id,
_describe_value(out),
)
elapsed_ms = (time.perf_counter() - start_perf) * 1000.0
logger.debug(
"ISO:modelsampling_rpc_end method=%s instance_id=%s call_id=%s elapsed_ms=%.3f thread=%s",
method_name,
self._instance_id,
call_id,
elapsed_ms,
thread_id,
)
logger.debug(
"ISO:modelsampling_rpc_return method=%s instance_id=%s call_id=%s",
method_name,
self._instance_id,
call_id,
)
return out
@staticmethod
def _rpc_timeout_ms() -> int:
raw = os.environ.get(
"COMFY_ISOLATION_MODEL_SAMPLING_RPC_TIMEOUT_MS",
os.environ.get("COMFY_ISOLATION_LOAD_RPC_TIMEOUT_MS", "30000"),
)
try:
timeout_ms = int(raw)
except ValueError:
timeout_ms = 30000
return max(1, timeout_ms)
@property
def sigma_min(self) -> Any:
return self._call("get_sigma_min")
@property
def sigma_max(self) -> Any:
return self._call("get_sigma_max")
@property
def sigma_data(self) -> Any:
return self._call("get_sigma_data")
@property
def sigmas(self) -> Any:
return self._call("get_sigmas")
def calculate_input(self, sigma: Any, noise: Any) -> Any:
return self._call("calculate_input", sigma, noise)
def calculate_denoised(
self, sigma: Any, model_output: Any, model_input: Any
) -> Any:
return self._call("calculate_denoised", sigma, model_output, model_input)
def noise_scaling(
self, sigma: Any, noise: Any, latent_image: Any, max_denoise: bool = False
) -> Any:
preferred_device = _prefer_device(noise, latent_image)
out = self._call(
"noise_scaling",
_to_cpu_for_rpc(sigma),
_to_cpu_for_rpc(noise),
_to_cpu_for_rpc(latent_image),
max_denoise,
)
return _to_device(out, preferred_device)
def inverse_noise_scaling(self, sigma: Any, latent: Any) -> Any:
preferred_device = _prefer_device(latent)
out = self._call(
"inverse_noise_scaling",
_to_cpu_for_rpc(sigma),
_to_cpu_for_rpc(latent),
)
return _to_device(out, preferred_device)
def timestep(self, sigma: Any) -> Any:
return self._call("timestep", sigma)
def sigma(self, timestep: Any) -> Any:
return self._call("sigma", timestep)
def percent_to_sigma(self, percent: float) -> Any:
return self._call("percent_to_sigma", percent)
def set_sigmas(self, sigmas: Any) -> None:
return self._call("set_sigmas", sigmas)