message: DNNL: int8 relu
diff: @@ -1233,8 +1233,15 @@ at::Tensor AtenIpexCPUDev::dil_adaptive_avg_pool2d_backward(
  at::Tensor AtenIpexCPUDev::dil_relu(const at::Tensor& input) {
  DEBUG("AtenIpexCPUDev::dil_relu\n");
  CHECK_DNNL_OP_PRE_COND(input);
  -
  - dbl::comm::reorder_to_bf16_for_mix_prec(input, true);
  + if (check_auto_mix_int8_fp32()) {
  + if (check_int8_calibration()) {
  + insert_or_updata_observer(input);
  + } else {
  + dbl::comm::reorder_to_int8_for_mix_prec(input);
  + }
  + } else {
  + dbl::comm::reorder_to_bf16_for_mix_prec(input);
  + }
  const dil::tensor& x = dbl::comm::try_gen_dil_tensor(input);
  dil::tensor y;
  @@ -1247,7 +1254,15 @@ at::Tensor& AtenIpexCPUDev::dil_relu_(at::Tensor& input) {
  DEBUG("AtenIpexCPUDev::dil_relu_\n");
  CHECK_DNNL_OP_PRE_COND(input);
  - dbl::comm::reorder_to_bf16_for_mix_prec(input, true);
  + if (check_auto_mix_int8_fp32()) {
  + if (check_int8_calibration()) {
  + insert_or_updata_observer(input);
  + } else {
  + dbl::comm::reorder_to_int8_for_mix_prec(input);
  + }
  + } else {
  + dbl::comm::reorder_to_bf16_for_mix_prec(input);
  + }
  auto dil_self = dbl::comm::try_gen_dil_tensor(input);
  dil::eltwise_forward::compute(
  