code: def test_batch_matmul_skylake_avx512(b, m, n, k):
      batch_matmul_x86_test(
          b,
          m,
          n,
          k,
          "llvm -mcpu=skylake-avx512",
          ["pmaddubs", "pmaddw", "vpaddd"],
      )
  
imports: import sys
  import pytest
  import numpy
  import tvm
  import tvm.testing
  import tvm.topi.testing
  from tvm import relay, te, topi
  from tvm.relay import transform
  from tvm.relay.testing import run_infer_type
label_desc: Use image node_id 21 for calling a global function with example usage: test_batch_matmul_skylake_avx512(b, m, n, k) without return types