code: def codegen_kernel(self, name=None):
      code = IndentedBuffer()
  
      code.splice(
          """
                  import triton
                  import triton.language as tl
                  from torch._inductor.triton_heuristics import foreach
                  from torch._inductor.utils import instance_descriptor
                  from torch._inductor import triton_helpers
              """
      )
      if TritonKernel.gen_attr_descriptor_import():
          code.splice(TritonKernel.gen_attr_descriptor_import())
      argdefs, _, _ = self.args.python_argdefs()
      code.writeline(self.jit_line())
      code.writeline(
          f"def {name or str(Placeholder.KERNEL_NAME)}({', '.join(argdefs)}):"
      )
  
      with code.indent():
          code.splice("xpid = tl.program_id(0)")
          if self.blocking_2d:
              code.splice("ypid = tl.program_id(1)")
              code.splice(
                  f"XBLOCK: tl.constexpr = {self.block_size_2d}"
              )
              code.splice(
                  f"YBLOCK: tl.constexpr = {self.block_size_2d}"
              )
          else:
              code.splice(
                  f"XBLOCK: tl.constexpr = {self.block_size_1d}"
              )
  
          for sub_kernel in self.sub_kernels:
              assert len(sub_kernel.numels) <= 3
              # TODO mlazos: support dynamic shapes
              numel_ind = 0 if not self.blocking_2d else 1
              self.codegen_pid_range(
                  code, int(sub_kernel.numels[numel_ind])
              )
              with code.indent():
                  if self.blocking_2d:
                      code.splice(f"ynumel = {sub_kernel.numels[0]}")
                      code.splice(f"xnumel = {sub_kernel.numels[1]}")
                  else:
                      code.splice(f"xnumel = {sub_kernel.numels[0]}")
  
                  sub_kernel.codegen_body()
                  code.splice(sub_kernel.body)
  
          code.splice("else:")
          with code.indent():
              code.splice("pass")
  
      return code.getvalue()
  
imports: import itertools
  from collections import defaultdict
  from dataclasses import dataclass
  from typing import Dict, List, Tuple
  from sympy import Integer
  from ..None import metrics
  from ..scheduler import SchedulerNode
  from ..utils import ceildiv, Placeholder
  from ..virtualized import V
  from .common import IndentedBuffer, Kernel
  from .triton import TritonKernel
  from .triton_utils import config_of, signature_to_meta
label_desc: Use image node_id 10 for calling the ForeachKernel obj's underlying member method code with example usage: obj.codegen_kernel(name) and returns: code