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Find a way to use NNPACK #1

@maxisoft

Description

@maxisoft

building torch in qemu armv7 result in the following compilation errors :

#7 6889.4 [ 57%] Building C object confu-deps/XNNPACK/CMakeFiles/all_microkernels.dir/src/qc8-gemm/gen/1x8c4-minmax-fp32-neondot.c.o
#7 6891.4 /tmp/ccdmJVsn.s: Assembler messages:
#7 6891.4 /tmp/ccdmJVsn.s:62: Error: selected processor does not support `vsdot.s8 q8,q11,d7[0]' in ARM mode
#7 6891.4 /tmp/ccdmJVsn.s:64: Error: selected processor does not support `vsdot.s8 q10,q9,d7[0]' in ARM mode
#7 6891.4 /tmp/ccdmJVsn.s:67: Error: selected processor does not support `vsdot.s8 q8,q9,d7[1]' in ARM mode
#7 6891.4 /tmp/ccdmJVsn.s:71: Error: selected processor does not support `vsdot.s8 q10,q9,d7[1]' in ARM mode
#7 6891.4 /tmp/ccdmJVsn.s:143: Error: selected processor does not support `vsdot.s8 q10,q9,d7[0]' in ARM mode
#7 6891.4 /tmp/ccdmJVsn.s:146: Error: selected processor does not support `vsdot.s8 q8,q11,d7[0]' in ARM mode
#7 6891.4 gmake[2]: *** [confu-deps/XNNPACK/CMakeFiles/all_microkernels.dir/build.make:29436: confu-deps/XNNPACK/CMakeFiles/all_microkernels.dir/src/qc8-gemm/gen/1x8c4-minmax-fp32-neondot.c.o] Error 1
#7 6891.4 gmake[1]: *** [CMakeFiles/Makefile2:1502: confu-deps/XNNPACK/CMakeFiles/all_microkernels.dir/all] Error 2

Solution for now is to disable the NNpack feature potentially leading to poor perfs

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