Fix for MKLDNNDeviceContext error in matmul_v2_transpose_reshape fuse pass when GLOG_v set (#38554)

* glog fix * changed approach

Author: jakpiase

paddle/fluid/inference/api/analysis_predictor.cc

@@ -409,7 +409,10 @@ void AnalysisPredictor::MkldnnPreSet(
 void AnalysisPredictor::MkldnnPostReset() {
 #ifdef PADDLE_WITH_MKLDNN
  // In cache clearing mode.
- if (config_.mkldnn_cache_capacity_ > 0) {
+ if (config_.mkldnn_cache_capacity_ > 0 &&
+ static_cast<platform::MKLDNNDeviceContext *>(
+ (&platform::DeviceContextPool::Instance())->Get(platform::CPUPlace()))
+ ->GetCachedObjectsNumber() > 0) {
  if (VLOG_IS_ON(2)) {
  auto shape_blob_size = static_cast<platform::MKLDNNDeviceContext *>(
  (&platform::DeviceContextPool::Instance())