合并
This commit is contained in:
339
server.py
339
server.py
@@ -210,179 +210,190 @@ def put_watermark(img, wm_encoder=None):
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img = Image.fromarray(img[:, :, ::-1])
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return img
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import time
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import requests
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def main(opt):
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seed_everything(opt.seed)
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def main_dev(opt):
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model_name = '' # 默认模型
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model = None # 默认模型
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config = None # 默认配置
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device = None # 默认设备
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while True:
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time.sleep(2) # 延时1s执行, 避免cpu占用过高
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data = requests.get("http://localhost:3000/api/drawing").json() # 从局域网中获取一组参数
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print(data) # [{'model': '768-v-ema', 'prompt': '一只猫', 'watermark': '0'}, {'model': '768-v-ema', 'prompt': '一只狗', 'watermark': '0'}]
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# 遍历 data 返回dict
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for item in data:
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print(item) # {'model': '768-v-ema', 'prompt': '一只猫', 'watermark': '0'}
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# 设置参数
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if 'prompt' in item: opt.prompt = item['prompt'] # 描述
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if 'n_samples' in item: opt.n_samples = item['n_samples'] # 列数
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if 'n_rows' in item: opt.n_rows = item['n_rows'] # 行数
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if 'scale' in item: opt.scale = item['scale'] # 比例
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config = OmegaConf.load(f"{opt.config}")
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device = torch.device("cuda") if opt.device == "cuda" else torch.device("cpu")
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model = load_model_from_config(config, f"{opt.ckpt}", device)
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if opt.plms:
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sampler = PLMSSampler(model, device=device)
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elif opt.dpm:
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sampler = DPMSolverSampler(model, device=device)
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else:
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sampler = DDIMSampler(model, device=device)
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os.makedirs(opt.outdir, exist_ok=True)
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outpath = opt.outdir
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print("Creating invisible watermark encoder (see https://github.com/ShieldMnt/invisible-watermark)...")
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wm = "SDV2"
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wm_encoder = WatermarkEncoder()
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wm_encoder.set_watermark('bytes', wm.encode('utf-8'))
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batch_size = opt.n_samples
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n_rows = opt.n_rows if opt.n_rows > 0 else batch_size
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if not opt.from_file:
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prompt = opt.prompt
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assert prompt is not None
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data = [batch_size * [prompt]]
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else:
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print(f"reading prompts from {opt.from_file}")
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with open(opt.from_file, "r") as f:
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data = f.read().splitlines()
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data = [p for p in data for i in range(opt.repeat)]
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data = list(chunk(data, batch_size))
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sample_path = os.path.join(outpath, "samples")
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os.makedirs(sample_path, exist_ok=True)
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sample_count = 0
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base_count = len(os.listdir(sample_path))
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grid_count = len(os.listdir(outpath)) - 1
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start_code = None
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if opt.fixed_code:
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start_code = torch.randn([opt.n_samples, opt.C, opt.H // opt.f, opt.W // opt.f], device=device)
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if opt.torchscript or opt.ipex:
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transformer = model.cond_stage_model.model
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unet = model.model.diffusion_model
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decoder = model.first_stage_model.decoder
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additional_context = torch.cpu.amp.autocast() if opt.bf16 else nullcontext()
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shape = [opt.C, opt.H // opt.f, opt.W // opt.f]
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if opt.bf16 and not opt.torchscript and not opt.ipex:
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raise ValueError('Bfloat16 is supported only for torchscript+ipex')
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if opt.bf16 and unet.dtype != torch.bfloat16:
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raise ValueError("Use configs/stable-diffusion/intel/ configs with bf16 enabled if " +
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"you'd like to use bfloat16 with CPU.")
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if unet.dtype == torch.float16 and device == torch.device("cpu"):
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raise ValueError("Use configs/stable-diffusion/intel/ configs for your model if you'd like to run it on CPU.")
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if opt.ipex:
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import intel_extension_for_pytorch as ipex
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bf16_dtype = torch.bfloat16 if opt.bf16 else None
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transformer = transformer.to(memory_format=torch.channels_last)
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transformer = ipex.optimize(transformer, level="O1", inplace=True)
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unet = unet.to(memory_format=torch.channels_last)
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unet = ipex.optimize(unet, level="O1", auto_kernel_selection=True, inplace=True, dtype=bf16_dtype)
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decoder = decoder.to(memory_format=torch.channels_last)
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decoder = ipex.optimize(decoder, level="O1", auto_kernel_selection=True, inplace=True, dtype=bf16_dtype)
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if opt.torchscript:
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with torch.no_grad(), additional_context:
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# get UNET scripted
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if unet.use_checkpoint:
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raise ValueError("Gradient checkpoint won't work with tracing. " +
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"Use configs/stable-diffusion/intel/ configs for your model or disable checkpoint in your config.")
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img_in = torch.ones(2, 4, 96, 96, dtype=torch.float32)
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t_in = torch.ones(2, dtype=torch.int64)
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context = torch.ones(2, 77, 1024, dtype=torch.float32)
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scripted_unet = torch.jit.trace(unet, (img_in, t_in, context))
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scripted_unet = torch.jit.optimize_for_inference(scripted_unet)
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print(type(scripted_unet))
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model.model.scripted_diffusion_model = scripted_unet
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# get Decoder for first stage model scripted
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samples_ddim = torch.ones(1, 4, 96, 96, dtype=torch.float32)
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scripted_decoder = torch.jit.trace(decoder, (samples_ddim))
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scripted_decoder = torch.jit.optimize_for_inference(scripted_decoder)
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print(type(scripted_decoder))
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model.first_stage_model.decoder = scripted_decoder
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prompts = data[0]
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print("Running a forward pass to initialize optimizations")
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uc = None
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if opt.scale != 1.0:
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uc = model.get_learned_conditioning(batch_size * [""])
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if isinstance(prompts, tuple):
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prompts = list(prompts)
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with torch.no_grad(), additional_context:
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for _ in range(3):
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c = model.get_learned_conditioning(prompts)
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samples_ddim, _ = sampler.sample(S=5,
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conditioning=c,
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batch_size=batch_size,
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shape=shape,
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verbose=False,
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unconditional_guidance_scale=opt.scale,
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unconditional_conditioning=uc,
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eta=opt.ddim_eta,
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x_T=start_code)
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print("Running a forward pass for decoder")
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for _ in range(3):
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x_samples_ddim = model.decode_first_stage(samples_ddim)
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precision_scope = autocast if opt.precision=="autocast" or opt.bf16 else nullcontext
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with torch.no_grad(), \
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precision_scope(opt.device), \
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model.ema_scope():
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all_samples = list()
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for n in trange(opt.n_iter, desc="Sampling"):
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for prompts in tqdm(data, desc="data"):
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uc = None
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if opt.scale != 1.0:
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uc = model.get_learned_conditioning(batch_size * [""])
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if isinstance(prompts, tuple):
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prompts = list(prompts)
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c = model.get_learned_conditioning(prompts)
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shape = [opt.C, opt.H // opt.f, opt.W // opt.f]
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samples, _ = sampler.sample(S=opt.steps,
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# 如果模型不同，重新加载模型(注意释放内存)
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if item['model'] != model_name:
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# 获取环境配置
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model_name = item['model']
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opt.config = f'/data/{model_name}.yaml'
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opt.ckpt = f'/data/{model_name}.ckpt'
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opt.device = 'cuda'
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print(f"config: {opt.config}", f"ckpt: {opt.ckpt}", f"device: {opt.device}")
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config = OmegaConf.load(f"{opt.config}")
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device = torch.device("cuda") if opt.device == "cuda" else torch.device("cpu")
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# 加载模型(到显存)
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print(f"load model: {item['model']}..")
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model_name = item['model']
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model = load_model_from_config(config, f"{opt.ckpt}", device)
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print(f"model_name: {model_name}")
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# 使用指定的模型和配置文件进行推理一组参数
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if opt.plms:
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sampler = PLMSSampler(model, device=device)
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elif opt.dpm:
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sampler = DPMSolverSampler(model, device=device)
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else:
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sampler = DDIMSampler(model, device=device)
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# 检查输出目录是否存在
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os.makedirs(opt.outdir, exist_ok=True)
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outpath = opt.outdir
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# 创建水印编码器
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wm = "SDV2"
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wm_encoder = WatermarkEncoder()
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wm_encoder.set_watermark('bytes', wm.encode('utf-8'))
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# x
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batch_size = opt.n_samples
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n_rows = opt.n_rows if opt.n_rows > 0 else batch_size
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if not opt.from_file:
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prompt = opt.prompt
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assert prompt is not None
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data = [batch_size * [prompt]]
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else:
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print(f"reading prompts from {opt.from_file}")
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with open(opt.from_file, "r") as f:
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data = f.read().splitlines()
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data = [p for p in data for i in range(opt.repeat)]
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data = list(chunk(data, batch_size))
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# x
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sample_path = os.path.join(outpath, "samples")
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os.makedirs(sample_path, exist_ok=True)
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sample_count = 0
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base_count = len(os.listdir(sample_path))
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grid_count = len(os.listdir(outpath)) - 1
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# x
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start_code = None
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if opt.fixed_code:
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start_code = torch.randn([opt.n_samples, opt.C, opt.H // opt.f, opt.W // opt.f], device=device)
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# x
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if opt.torchscript or opt.ipex:
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transformer = model.cond_stage_model.model
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unet = model.model.diffusion_model
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decoder = model.first_stage_model.decoder
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additional_context = torch.cpu.amp.autocast() if opt.bf16 else nullcontext()
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shape = [opt.C, opt.H // opt.f, opt.W // opt.f]
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if opt.bf16 and not opt.torchscript and not opt.ipex:
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raise ValueError('Bfloat16 is supported only for torchscript+ipex')
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if opt.bf16 and unet.dtype != torch.bfloat16:
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raise ValueError("Use configs/stable-diffusion/intel/ configs with bf16 enabled if " +
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"you'd like to use bfloat16 with CPU.")
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if unet.dtype == torch.float16 and device == torch.device("cpu"):
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raise ValueError("Use configs/stable-diffusion/intel/ configs for your model if you'd like to run it on CPU.")
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if opt.ipex:
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import intel_extension_for_pytorch as ipex
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bf16_dtype = torch.bfloat16 if opt.bf16 else None
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transformer = transformer.to(memory_format=torch.channels_last)
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transformer = ipex.optimize(transformer, level="O1", inplace=True)
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unet = unet.to(memory_format=torch.channels_last)
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unet = ipex.optimize(unet, level="O1", auto_kernel_selection=True, inplace=True, dtype=bf16_dtype)
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decoder = decoder.to(memory_format=torch.channels_last)
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decoder = ipex.optimize(decoder, level="O1", auto_kernel_selection=True, inplace=True, dtype=bf16_dtype)
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if opt.torchscript:
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with torch.no_grad(), additional_context:
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# get UNET scripted
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if unet.use_checkpoint:
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raise ValueError("Gradient checkpoint won't work with tracing. " +
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"Use configs/stable-diffusion/intel/ configs for your model or disable checkpoint in your config.")
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img_in = torch.ones(2, 4, 96, 96, dtype=torch.float32)
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t_in = torch.ones(2, dtype=torch.int64)
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context = torch.ones(2, 77, 1024, dtype=torch.float32)
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scripted_unet = torch.jit.trace(unet, (img_in, t_in, context))
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scripted_unet = torch.jit.optimize_for_inference(scripted_unet)
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print(type(scripted_unet))
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model.model.scripted_diffusion_model = scripted_unet
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# get Decoder for first stage model scripted
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samples_ddim = torch.ones(1, 4, 96, 96, dtype=torch.float32)
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scripted_decoder = torch.jit.trace(decoder, (samples_ddim))
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scripted_decoder = torch.jit.optimize_for_inference(scripted_decoder)
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print(type(scripted_decoder))
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model.first_stage_model.decoder = scripted_decoder
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prompts = data[0]
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print("Running a forward pass to initialize optimizations")
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uc = None
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if opt.scale != 1.0:
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uc = model.get_learned_conditioning(batch_size * [""])
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if isinstance(prompts, tuple):
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prompts = list(prompts)
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with torch.no_grad(), additional_context:
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for _ in range(3):
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c = model.get_learned_conditioning(prompts)
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samples_ddim, _ = sampler.sample(S=5,
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conditioning=c,
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batch_size=opt.n_samples,
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batch_size=batch_size,
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shape=shape,
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verbose=False,
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unconditional_guidance_scale=opt.scale,
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unconditional_conditioning=uc,
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eta=opt.ddim_eta,
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x_T=start_code)
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x_samples = model.decode_first_stage(samples)
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x_samples = torch.clamp((x_samples + 1.0) / 2.0, min=0.0, max=1.0)
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for x_sample in x_samples:
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x_sample = 255. * rearrange(x_sample.cpu().numpy(), 'c h w -> h w c')
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img = Image.fromarray(x_sample.astype(np.uint8))
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img = put_watermark(img, wm_encoder)
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img.save(os.path.join(sample_path, f"{base_count:05}.png"))
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base_count += 1
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sample_count += 1
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all_samples.append(x_samples)
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# additionally, save as grid
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grid = torch.stack(all_samples, 0)
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grid = rearrange(grid, 'n b c h w -> (n b) c h w')
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grid = make_grid(grid, nrow=n_rows)
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# to image
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grid = 255. * rearrange(grid, 'c h w -> h w c').cpu().numpy()
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grid = Image.fromarray(grid.astype(np.uint8))
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grid = put_watermark(grid, wm_encoder)
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grid.save(os.path.join(outpath, f'grid-{grid_count:04}.png'))
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grid_count += 1
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print(f"Your samples are ready and waiting for you here: \n{outpath} \n"
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f" \nEnjoy.")
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print("Running a forward pass for decoder")
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for _ in range(3):
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x_samples_ddim = model.decode_first_stage(samples_ddim)
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precision_scope = autocast if opt.precision=="autocast" or opt.bf16 else nullcontext
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with torch.no_grad(), \
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precision_scope(opt.device), \
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model.ema_scope():
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all_samples = list()
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for n in trange(opt.n_iter, desc="Sampling"):
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for prompts in tqdm(data, desc="data"):
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uc = None
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if opt.scale != 1.0:
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uc = model.get_learned_conditioning(batch_size * [""])
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if isinstance(prompts, tuple):
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prompts = list(prompts)
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c = model.get_learned_conditioning(prompts)
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shape = [opt.C, opt.H // opt.f, opt.W // opt.f]
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samples, _ = sampler.sample(S=opt.steps,
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conditioning=c,
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batch_size=opt.n_samples,
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shape=shape,
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verbose=False,
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unconditional_guidance_scale=opt.scale,
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unconditional_conditioning=uc,
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eta=opt.ddim_eta,
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x_T=start_code)
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x_samples = model.decode_first_stage(samples)
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x_samples = torch.clamp((x_samples + 1.0) / 2.0, min=0.0, max=1.0)
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for x_sample in x_samples:
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x_sample = 255. * rearrange(x_sample.cpu().numpy(), 'c h w -> h w c')
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img = Image.fromarray(x_sample.astype(np.uint8))
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img = put_watermark(img, wm_encoder)
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img.save(os.path.join(sample_path, f"{base_count:05}.png"))
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base_count += 1
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sample_count += 1
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all_samples.append(x_samples)
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# additionally, save as grid
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grid = torch.stack(all_samples, 0)
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grid = rearrange(grid, 'n b c h w -> (n b) c h w')
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grid = make_grid(grid, nrow=n_rows)
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# to image
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grid = 255. * rearrange(grid, 'c h w -> h w c').cpu().numpy()
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grid = Image.fromarray(grid.astype(np.uint8))
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grid = put_watermark(grid, wm_encoder)
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grid.save(os.path.join(outpath, f'grid-{grid_count:04}.png'))
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grid_count += 1
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print(f"Your samples are ready and waiting for you here: \n{outpath} \n"
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f" \nEnjoy.")
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break
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if __name__ == "__main__":
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opt = parse_args()
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main(opt)
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main_dev(opt)
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