Created
May 31, 2022 12:26
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class conv_with_conv(nn.Module): | |
def __init__(self, input_dim, in_ch, out_ch, kernel_size, stride): | |
super().__init__() | |
self.shift_size = input_dim | |
scale, zero_point = 1e-4, 2 | |
dtype = torch.qint8 | |
float_state = torch.zeros(kernel_size-stride+input_dim, in_ch) | |
int_state = torch.quantize_per_tensor(float_state, scale, zero_point, dtype) | |
self.f_cat = nn.quantized.FloatFunctional() | |
self.register_buffer('internal_state', int_state) | |
self.conv = nn.Conv2d(in_ch, out_ch, (kernel_size, 1), stride) | |
def forward(self, x): | |
self.internal_state[:self.shift_size].data.copy_( | |
self.internal_state[self.shift_size:].clone()) | |
print(1, self.internal_state[:-self.shift_size].unsqueeze(0).unsqueeze(-1).clone().dtype) | |
print(2, x.dtype) | |
x = self.f_cat.cat(( | |
self.internal_state[:-self.shift_size].unsqueeze(0).unsqueeze(-1).clone(), | |
x)) | |
x = self.internal_state.unsqueeze(0).transpose(1, 2).unsqueeze(-1) | |
x = self.conv(x) | |
return x | |
class test_model(nn.Module): | |
def __init__(self,): | |
super().__init__() | |
self.quant = torch.quantization.QuantStub() | |
self.dequant = torch.quantization.DeQuantStub() | |
self.conv = conv_with_conv(2,40,1,3,1) | |
def forward(self,x): | |
x = self.quant(x) | |
x = self.conv(x) | |
x = self.dequant(x) | |
return x | |
model = test_model() | |
model.eval() | |
model.to('cpu') | |
dumy_input = torch.rand(1,2,40,1) | |
model.qconfig = torch.quantization.get_default_qat_qconfig('fbgemm') | |
torch.quantization.prepare(model,inplace=True) | |
torch.quantization.convert(model,inplace=True) | |
# jit_model = torch.jit.script(model) | |
# torchscript_model_optimized = optimize_for_mobile(jit_model) | |
# torchscript_model_optimized._save_for_lite_interpreter("test.ptl") | |
out = model(dumy_input) | |
print('quant out',out) |
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