torch_tensorrt 设置动态的 batch_size 报错 cannot create std::vector larger than max_size?

Question

torch_tensorrt 设置动态的 batch_size 报错 cannot create std::vector larger than max_size?

发布于
2023-04-24 浙江

更新于
2023-06-12

我的模型

import torch
import torch_tensorrt
import torch.nn as nn
from torch import Tensor
import torch.nn.functional as F
import torchvision.models as models
from torch.nn.parameter import Parameter


def l2n(x: Tensor, eps: float = 1e-6) -> Tensor:

    return x / (torch.norm(x, p=2, dim=1, keepdim=True) + eps).expand_as(x)


class L2N(nn.Module):

    def __init__(self, eps=1e-6):
        super(L2N, self).__init__()
        self.eps = eps

    def forward(self, x):
        return l2n(x, eps=self.eps)

    def __repr__(self):
        return self.__class__.__name__ + '(' + 'eps=' + str(self.eps) + ')'


class GeM(nn.Module):

    def __init__(self, p=3, eps=1e-6):
        super(GeM, self).__init__()
        self.p = Parameter(torch.ones(1)*p)
        self.eps = eps

    def forward(self, x: torch.Tensor) -> torch.Tensor:

        p: int = 3
        eps: float = 1e-6
        input = x.clamp(min=eps)
        _input = input.pow(p)
        t = F.avg_pool2d(_input, (7, 7)).pow(1./p)

        return t

    def __repr__(self):
        return self.__class__.__name__ + '(' + 'p=' + '{:.4f}'.format(self.p.data.tolist()[0]) + ', ' + 'eps=' + str(self.eps) + ')'


class ImageRetrievalNet(nn.Module):

    def __init__(self, dim: int = 512):
        super(ImageRetrievalNet, self).__init__()
        resnet50_model = models.resnet50()
        features = list(resnet50_model.children())[:-2]

        self.features = nn.Sequential(*features)
        self.pool = GeM()
        self.norm = L2N()

        self.lwhiten = None
        self.whiten = nn.Linear(2048, dim, bias=True)

    def forward(self, x: Tensor):
        featured_t: Tensor = self.features(x)
        pooled_t: Tensor = self.pool(featured_t)
        normed_t: Tensor = self.norm(pooled_t)
        o: Tensor = normed_t.squeeze(-1).squeeze(-1)

        # 启用白化，则: pooled features -> whiten -> norm
        if self.whiten is not None:
            whitened_t = self.whiten(o)
            normed_t: Tensor = self.norm(whitened_t)
            o = normed_t

        # 使每个图像为Dx1列向量(如果有许多图像，则为DxN)
        return o.permute(1, 0)


device = 'cuda:0'

state: dict = torch.load('weight/gl18-tl-resnet50-gem-w-83fdc30.pth')

state['state_dict']['whiten.weight'] = state['state_dict']['whiten.weight'][0::4, ::]
state['state_dict']['whiten.bias'] = state['state_dict']['whiten.bias'][0::4]

network: ImageRetrievalNet = ImageRetrievalNet()
network.load_state_dict(state['state_dict'])
network.eval()
network.to(device)

gl18-tl-resnet50-gem-w-83fdc30.pth 权重文件下载地址：http://cmp.felk.cvut.cz/cnnimageretrieval/data/networks/gl18/...

我想把这个模型导出成 tensorRT

所以我写了下面的代码：

import torch
import torch_tensorrt


model = network


batch_size = None
image_channel = 3
image_size = 224

device = torch.device("cuda:0")

inputs = [
    torch_tensorrt.Input(
        min_shape=[1, image_channel, image_size, image_size],
        opt_shape=[2, image_channel, image_size, image_size],
        max_shape=[4, image_channel, image_size, image_size],
        device=device
    )
]


enabled_precisions = {torch.float}  # Run with fp16

trt_ts_module = torch_tensorrt.compile(
    model,
    inputs=inputs,
    enabled_precisions=enabled_precisions
)

trt_ts_module = trt_ts_module.to(device)


torch.jit.save(
    trt_ts_module, "models/iv_resnet50_export_into_pytorch_tensorrt_model_dynamic.ts")

但是运行会报错

─➤  python -m example.iv_resnet50_export_into_pytorch_tensorRT_model_all
WARNING: [Torch-TensorRT TorchScript Conversion Context] - CUDA lazy loading is not enabled. Enabling it can significantly reduce device memory usage. See `CUDA_MODULE_LOADING` in https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#env-vars
WARNING: [Torch-TensorRT] - Dilation not used in Max pooling converter
WARNING: [Torch-TensorRT] - Normalize layer will be run through ATen, not TensorRT. Performance may be lower than expected
ERROR: [Torch-TensorRT TorchScript Conversion Context] - 9: [graphShapeAnalyzer.cpp::addVolumeCheck::739] Error Code 9: Internal Error ((Unnamed Layer* 183) [PluginV2DynamicExt]_output_0: dimension 0 never exceeds -2147483648)
ERROR: [Torch-TensorRT TorchScript Conversion Context] - 9: [graphShapeAnalyzer.cpp::addVolumeCheck::739] Error Code 9: Internal Error ((Unnamed Layer* 183) [PluginV2DynamicExt]_output_0: dimension 0 never exceeds -2147483648)
ERROR: [Torch-TensorRT TorchScript Conversion Context] - 9: [graphShapeAnalyzer.cpp::addVolumeCheck::739] Error Code 9: Internal Error ((Unnamed Layer* 183) [PluginV2DynamicExt]_output_0: dimension 0 never exceeds -2147483648)
ERROR: [Torch-TensorRT TorchScript Conversion Context] - 9: [graphShapeAnalyzer.cpp::addVolumeCheck::739] Error Code 9: Internal Error ((Unnamed Layer* 183) [PluginV2DynamicExt]_output_0: dimension 0 never exceeds -2147483648)
ERROR: [Torch-TensorRT TorchScript Conversion Context] - 9: [graphShapeAnalyzer.cpp::addVolumeCheck::739] Error Code 9: Internal Error ((Unnamed Layer* 183) [PluginV2DynamicExt]_output_0: dimension 0 never exceeds -2147483648)
ERROR: [Torch-TensorRT TorchScript Conversion Context] - 9: [graphShapeAnalyzer.cpp::addVolumeCheck::739] Error Code 9: Internal Error ((Unnamed Layer* 183) [PluginV2DynamicExt]_output_0: dimension 0 never exceeds -2147483648)
ERROR: [Torch-TensorRT TorchScript Conversion Context] - 9: [graphShapeAnalyzer.cpp::addVolumeCheck::739] Error Code 9: Internal Error ((Unnamed Layer* 183) [PluginV2DynamicExt]_output_0: dimension 0 never exceeds -2147483648)
ERROR: [Torch-TensorRT TorchScript Conversion Context] - 9: [graphShapeAnalyzer.cpp::addVolumeCheck::739] Error Code 9: Internal Error ((Unnamed Layer* 183) [PluginV2DynamicExt]_output_0: dimension 0 never exceeds -2147483648)
ERROR: [Torch-TensorRT TorchScript Conversion Context] - 9: [graphShapeAnalyzer.cpp::addVolumeCheck::739] Error Code 9: Internal Error ((Unnamed Layer* 183) [PluginV2DynamicExt]_output_0: dimension 0 never exceeds -2147483648)
ERROR: [Torch-TensorRT TorchScript Conversion Context] - 9: [graphShapeAnalyzer.cpp::addVolumeCheck::739] Error Code 9: Internal Error ((Unnamed Layer* 183) [PluginV2DynamicExt]_output_0: dimension 0 never exceeds -2147483648)
ERROR: [Torch-TensorRT TorchScript Conversion Context] - 9: [graphShapeAnalyzer.cpp::addVolumeCheck::739] Error Code 9: Internal Error ((Unnamed Layer* 183) [PluginV2DynamicExt]_output_0: dimension 0 never exceeds -2147483648)
ERROR: [Torch-TensorRT TorchScript Conversion Context] - 9: [graphShapeAnalyzer.cpp::addVolumeCheck::739] Error Code 9: Internal Error ((Unnamed Layer* 183) [PluginV2DynamicExt]_output_0: dimension 0 never exceeds -2147483648)
ERROR: [Torch-TensorRT TorchScript Conversion Context] - 9: [graphShapeAnalyzer.cpp::addVolumeCheck::739] Error Code 9: Internal Error ((Unnamed Layer* 183) [PluginV2DynamicExt]_output_0: dimension 0 never exceeds -2147483648)
Traceback (most recent call last):
  File "/usr/lib/python3.10/runpy.py", line 196, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "/usr/lib/python3.10/runpy.py", line 86, in _run_code
    exec(code, run_globals)
  File "/home/ponponon/code/image2vector/example/iv_resnet50_export_into_pytorch_tensorRT_model_all.py", line 119, in <module>
    trt_ts_module = torch_tensorrt.compile(
  File "/home/ponponon/.local/share/virtualenvs/image2vector-oucNrpsS/lib/python3.10/site-packages/torch_tensorrt/_compile.py", line 125, in compile
    return torch_tensorrt.ts.compile(
  File "/home/ponponon/.local/share/virtualenvs/image2vector-oucNrpsS/lib/python3.10/site-packages/torch_tensorrt/ts/_compiler.py", line 136, in compile
    compiled_cpp_mod = _C.compile_graph(module._c, _parse_compile_spec(spec))
ValueError: cannot create std::vector larger than max_size()

问题应该是处在设置动态的 batch_size 上面

如果把 batch_size 都设置为 1 就是可以的，但是 min_shape、opt_shape、max_shape 的 batch_size 不一样的话，就会报错！

inputs = [
    torch_tensorrt.Input(
        min_shape=[1, image_channel, image_size, image_size],
        opt_shape=[1, image_channel, image_size, image_size],
        max_shape=[1, image_channel, image_size, image_size],
        device=device
    )
]

完整代码如下：

import torch
import torch_tensorrt
import torch.nn as nn
from torch import Tensor
import torch.nn.functional as F
import torchvision.models as models
from torch.nn.parameter import Parameter


def l2n(x: Tensor, eps: float = 1e-6) -> Tensor:

    return x / (torch.norm(x, p=2, dim=1, keepdim=True) + eps).expand_as(x)


class L2N(nn.Module):

    def __init__(self, eps=1e-6):
        super(L2N, self).__init__()
        self.eps = eps

    def forward(self, x):
        return l2n(x, eps=self.eps)

    def __repr__(self):
        return self.__class__.__name__ + '(' + 'eps=' + str(self.eps) + ')'


class GeM(nn.Module):

    def __init__(self, p=3, eps=1e-6):
        super(GeM, self).__init__()
        self.p = Parameter(torch.ones(1)*p)
        self.eps = eps

    def forward(self, x: torch.Tensor) -> torch.Tensor:

        p: int = 3
        eps: float = 1e-6
        input = x.clamp(min=eps)
        _input = input.pow(p)
        t = F.avg_pool2d(_input, (7, 7)).pow(1./p)

        return t

    def __repr__(self):
        return self.__class__.__name__ + '(' + 'p=' + '{:.4f}'.format(self.p.data.tolist()[0]) + ', ' + 'eps=' + str(self.eps) + ')'


class ImageRetrievalNet(nn.Module):

    def __init__(self, dim: int = 512):
        super(ImageRetrievalNet, self).__init__()
        resnet50_model = models.resnet50()
        features = list(resnet50_model.children())[:-2]

        self.features = nn.Sequential(*features)
        self.pool = GeM()
        self.norm = L2N()

        self.lwhiten = None
        self.whiten = nn.Linear(2048, dim, bias=True)

    def forward(self, x: Tensor):
        featured_t: Tensor = self.features(x)
        pooled_t: Tensor = self.pool(featured_t)
        normed_t: Tensor = self.norm(pooled_t)
        o: Tensor = normed_t.squeeze(-1).squeeze(-1)

        # 启用白化，则: pooled features -> whiten -> norm
        if self.whiten is not None:
            whitened_t = self.whiten(o)
            normed_t: Tensor = self.norm(whitened_t)
            o = normed_t

        # 使每个图像为Dx1列向量(如果有许多图像，则为DxN)
        return o.permute(1, 0)


device = 'cuda:0'

state: dict = torch.load('weight/gl18-tl-resnet50-gem-w-83fdc30.pth')

state['state_dict']['whiten.weight'] = state['state_dict']['whiten.weight'][0::4, ::]
state['state_dict']['whiten.bias'] = state['state_dict']['whiten.bias'][0::4]

network: ImageRetrievalNet = ImageRetrievalNet()
network.load_state_dict(state['state_dict'])
network.eval()
network.to(device)


# self.network = network


# Initialize a residual neural network


model = network


batch_size = None
image_channel = 3
image_size = 224

device = torch.device("cuda:0")

inputs = [
    torch_tensorrt.Input(
        min_shape=[1, image_channel, image_size, image_size],
        opt_shape=[2, image_channel, image_size, image_size],
        max_shape=[4, image_channel, image_size, image_size],
        device=device
    )
]


enabled_precisions = {torch.float}  # Run with fp16

trt_ts_module = torch_tensorrt.compile(
    model,
    inputs=inputs,
    enabled_precisions=enabled_precisions
)

trt_ts_module = trt_ts_module.to(device)


torch.jit.save(
    trt_ts_module, "models/iv_resnet50_export_into_pytorch_tensorrt_model_dynamic.ts")

# pytorch 模型导出成 torch_tensorrt 格式的时候，使用 torch_tensorrt.compile 和 torch.jit.save ，如何指定 batch_size 的大小会动态的

人工智能 pytorch 神经网络算法

python

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1 个回答

得票最新

乔治

12.9k1329

发布于
2023-04-25 上海

主要需要改的地方，你参考一下吧：

import torch
import torch_tensorrt as torchtrt
import torch.nn as nn
from torch import Tensor
import torch.nn.functional as F
import torchvision.models as models
from torch.nn.parameter import Parameter

# ...（其他代码不变）

device = torch.device("cuda:0")

inputs = [
    torchtrt.Input(
        min_shape=[1, image_channel, image_size, image_size],
        opt_shape=[2, image_channel, image_size, image_size],
        max_shape=[4, image_channel, image_size, image_size],
    )
]

# ...（其他代码不变）

trt_ts_module = torchtrt.compile(
    model,
    inputs=inputs,
    enabled_precisions=enabled_precisions
)

# ...（其他代码不变）

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