message: Tune the GEMM tile size for broadwell
diff: @@ -144,8 +144,12 @@ class DotOpEmitter {
  }
  std::tuple<int64, int64, int64> GetGemmTileSize() const {
  + // Tuned for broadwell - Intel(R) Xeon(R) CPU E5-2690 v4 @ 2.60GHz
  + //
  + // TODO(b/80093688): Tune for other architectures and centralize this
  + // information in one place.
  const std::tuple<int64, int64, int64> kDefaultTileSize =
  - std::tuple<int64, int64, int64>(3, 5, 1);
  + std::tuple<int64, int64, int64>(11, 9, 1);
  return options::LlvmIrGemmTileSize(hlo_module_config_)
  .value_or(kDefaultTileSize);
  }
  