add warnings to the offloading cacher

offloading-cacher/cache.hpp

@@ -392,6 +392,7 @@ inline std::unique_ptr<dsacache::CacheData> dsacache::Cache::Access(uint8_t* dat
     // data source location
 
     if (CheckFlag(flags, FLAG_ACCESS_WEAK)) {
+        std::cerr << "WEAK ACCESS FAILED!" << std::endl;
         task->SetCacheToSource();
         return std::move(task);
     }
@@ -763,6 +764,7 @@ inline void dsacache::CacheData::WaitOnCompletion() {
 
     for (auto& handler : *local_handlers) {
         if (CheckFlag(flags_, FLAG_WAIT_WEAK) && !handler.is_finished()) {
+            std::cerr << "WEAK WAIT FAIL!" << std::endl;
             handlers_->store(local_handlers);
             return;
         }
@@ -772,6 +774,7 @@ inline void dsacache::CacheData::WaitOnCompletion() {
         if (result.status != dml::status_code::ok) {
             // if one of the copy tasks failed we abort the whole task
             // after all operations are completed on it
+            std::cerr << "ERROR (" << dml::StatusCodeToString(result.status) << ") FOUND FOR TASK IN WAIT!" << std::endl;
             error = true;
         }
     }