Method LookupCache

tensorflow/compiler/xla/service/gpu/nvptx_compiler.cc:428–439

template <typename T>
bool persistentCompilationCache::LookupCache(int64 key, T &text,
                                             const string &kind) {
  VLOG(2) << "Attempting to lookup " << kind << " in cache for key: " << key << ".";
  bool in_cache = in_memory_cache_.contains(key);
  if (in_cache) {
    const string &text_str = in_memory_cache_[key];
    // Make a copy in order to not return a reference to the cache. 
    std::copy_n(text_str.data(), text_str.size(), std::back_inserter(text));
    VLOG(2) << "Found " << kind << " in cache for key: " << key << ".";
  }
  return in_cache;
}

bool persistentCompilationCache::LookupCache(int64 key, string &ptx) {
  int64 ptx_key = tensorflow::Hash64Combine(key, ptx_hash_);