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Comments (9)

Donaldkidd avatar Donaldkidd commented on September 27, 2024

你platform那边选QNN平台,然后直接用SNPE_convert_dlc那个工具可以读取你的json和onnx模型转成dlc,QNN 可以用

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JiliangNi avatar JiliangNi commented on September 27, 2024

感谢回答!但是获得一个dcl文件,可能不是我想要的QNN模型。

目前

export_ppq_graph(graph=quantized, platform=PLATFORM,
graph_save_to='Output/QDQ.onnx',
config_save_to='Output/QDQ.json')

如果 PLATFORM = TargetPlatform.QNN_DSP_INT8, quantize_torch_model.py会export出一个 .json 和 .onnx(看起来和fp32原模型一样);如果PLATFORM = TargetPlatform.ONNXRUNTIME,会生成一个.json 和 .onnx(体积比原模型小了,且是一个QDQ模型),如图
QDQ

但想问一下,如何生成一个QNN模型,比如intel的neural-compressor量化工具可以生成的那种QNN模型,如图:
QNN

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JiliangNi avatar JiliangNi commented on September 27, 2024

对了,还想问个问题:

其实在使用Aimet工具量化,然后导出onnx时,也是导出一份encodings + fp32模型。用咱们ppl的工具也会导出一份json + fp32模型。这个我不是很理解,导出的内容有什么意义或者有什么用途。因为之前我用的intel量化工具,输入fp32模型,导出int8 QNN模型,体积变小,也可以直接推理和部署。Aimet和ppl导出的两份文件是否可以再次转成QNN模型,或者有别的用法?

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Donaldkidd avatar Donaldkidd commented on September 27, 2024

根据我目前的了解Aimet这个东西不能直接生成一个int8模型,而是需要读取那个json文件(记录的是你的模型的量化参数)+你输出的量化模型,然后用SNPE-convert-dlc那个工具,读取这两个文件这才能生成一个int8的模型。PPL选QNN_DSP_INT8和Aimet是一样的

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JiliangNi avatar JiliangNi commented on September 27, 2024

十分感谢大佬解答了我一直带有的疑惑!
我研究一下SNPE_convert_dlc如何生成int8模型吧,十分感谢!

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JiliangNi avatar JiliangNi commented on September 27, 2024

您好,尝试了用SNPE-convert-dlc的工具,这个目前能转化出dlc文件,但想要一个QNN的int8 ONNX模型,好像还不行,是我使用的方式不对吗?

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Donaldkidd avatar Donaldkidd commented on September 27, 2024

用QNN converter试试

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JiliangNi avatar JiliangNi commented on September 27, 2024

是这个工具吗
https://docs.qualcomm.com/bundle/publicresource/topics/80-63442-50/converters.html
image

可是并不能生成onnx模型。

找了很久,好像目前很难找到QDQ 转Qoperator ONNX的工具,但是这么通用的两种format,怎么会没有转化工具呢

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Donaldkidd avatar Donaldkidd commented on September 27, 2024

这个model.cpp QNN可以用我记得

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