Forums - How to obtain the old version of SNPE (can be used on SA8155)

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How to obtain the old version of SNPE (can be used on SA8155)
zhoubobo18
Join Date: 5 Jan 24
Posts: 5
Posted: Mon, 2024-03-11 23:07
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I used the SA8155 DSP for quantized model inference. The version of SNPE I use is 2.15.4.231013. During the inference process, I encountered the following error message:

DspTransport.createUnsignedPD unsigned PD or DSPRPC_GET_DSP_INFO not supported by DSP DspTransport.createUnsignedPD failed, 0x00000003 IDspTransport: Unknown rpc status 0x00000003 DspTransport failed,cannot open session, error 0xffffffff DspTransport.createUnsignedPD unsigned PD or DSPRPC_GET_DSP_INFO not supported by DSP DspTransport.createUnsignedPD failed, 0x00000003 IDspTransport: Unknown rpc status 0x00000003 DspTransport failed,cannot open session, error 0xffffffff Error while building SNPE object
 
By checking the forum information, I learned that SA8155 only supports SNPE version 1.6 and below?
But I can not find the older version SNPE on quclaomm official website(https://qpm.qualcomm.com/#/main/tools/details/qualcomm_neural_processing...),
I want to know how and where to get the old SNPE version available on the SA8155 chip?
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Re: How to obtain the old version of SNPE (can be used on...
ahmed.bingol
Join Date: 15 Sep 23
Posts: 8
Posted: Mon, 2024-05-20 07:36
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Hello,
We are facing exactly same issue. I have tried several versions including QNN 2.14 to 2.21 with different DSP.so . However, We are always getting same error message as above.  On the other hand, we also find out that ADSP_LIBRARY_PATH libraries are not correct for 8155.

Problem seems like related to RPC status. 

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Re: How to obtain the old version of SNPE (can be used on...
wilkersm2009
Join Date: 26 Apr 24
Posts: 1
Posted: Tue, 2024-05-28 10:39
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I have the same issue. I need to obtain an older version of SNPE for use with SA8155. Any luck?
**Update: I found 1.53 here:  https://developer.qualcomm.com/qfile/68747/snpe-1.53.2.zip

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Re: How to obtain the old version of SNPE (can be used on...
marcosandrew143
Join Date: 18 Jun 24
Posts: 1
Posted: Tue, 2024-06-18 00:37
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Hi,

I think you are write .I am also facing the same problem after long time but the soliution is not working at they seems like that.I also want to know how to get the old SNPE versition available on the SA8155 chip?

Thanks

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Re: How to obtain the old version of SNPE (can be used on...
chuanyang.liu
Join Date: 14 Jun 24
Posts: 5
Posted: Wed, 2024-06-26 20:03
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Does snpe 2.x not support SA8155P backend?

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Re: How to obtain the old version of SNPE (can be used on...
chuanyang.liu
Join Date: 14 Jun 24
Posts: 5
Posted: Wed, 2024-06-26 20:05
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Does snpe 2.x not support SA8155P DSP backend?

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