code: def main(a: T.handle, b: T.handle, c: T.handle) -> None:
      T.func_attr({"global_symbol": "main"})
      A = T.match_buffer(a, (1024, 1024), "float32")
      B = T.match_buffer(b, (1024, 1024), "float32")
      C = T.match_buffer(c, (1024, 1024), "float32")
      for i, j, k in T.grid(1024, 1024, 1024):
          with T.block("matmul"):
              vi, vj, vk = T.axis.remap("SSR", [i, j, k])
              with T.init():
                  C[vi, vj] = 0.0
              C[vi, vj] = C[vi, vj] + A[vi, vk] * B[vk, vj]
  
imports: import math
  import sys
  from typing import List
  import pytest
  import tvm
  import tvm.testing
  from tvm import te
  from tvm.ir.module import IRModule
  from tvm._ffi import register_func
  from tvm.error import TVMError
  from tvm.meta_schedule import TuneContext
  from tvm.meta_schedule.schedule_rule import PyScheduleRule
  from tvm.meta_schedule.space_generator import PostOrderApply
  from tvm.meta_schedule.utils import derived_object
  from tvm.script import tir
  from tvm.target import Target
  from tvm.tir.schedule import BlockRV, Schedule
label_desc: Use image node_id 1 for calling the Matmul obj's underlying member method code with example usage: obj.main(a, b, c) without return types