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rahulchaphalkar avatar rahulchaphalkar commented on May 3, 2024

I did it by modifying the src/init.c file, and removing all the blocks which contain checks to see if cpu has AVX capabilities, and the following assignment of operations. For example, by removing blocks like these -

 if (cpuinfo_has_x86_avx512f() && cpuinfo_has_x86_avx512bw() && cpuinfo_has_x86_avx512dq() && cpuinfo_has_x86_avx512vl()) {
      xnn_params.qs8.gemm.minmax.gemm = xnn_init_hmp_gemm_ukernel((xnn_gemm_ukernel_function) xnn_qs8_gemm_minmax_ukernel_4x16c8__avx512skx);
      xnn_params.qs8.gemm.minmax.igemm = xnn_init_hmp_igemm_ukernel((xnn_igemm_ukernel_function) xnn_qs8_igemm_minmax_ukernel_4x16c8__avx512skx);
      xnn_params.qs8.gemm.minmax.gemm1 = xnn_init_hmp_gemm_ukernel((xnn_gemm_ukernel_function) xnn_qs8_gemm_minmax_ukernel_1x16c8__avx512skx);
      xnn_params.qs8.gemm.minmax.igemm1 = xnn_init_hmp_igemm_ukernel((xnn_igemm_ukernel_function) xnn_qs8_igemm_minmax_ukernel_1x16c8__avx512skx);
      xnn_params.qs8.gemm.mr = 4;
      xnn_params.qs8.gemm.nr = 16;
      xnn_params.qs8.gemm.log2_kr = 3;
    }

and only keeping SSE4 / SSE blocks.
Closing this issue for now. However, please let me know if there is a better way of achieving the same. Thanks.

from xnnpack.

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