augustoasilva commented on a change in pull request #11193:
URL: https://github.com/apache/arrow/pull/11193#discussion_r714357412
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File path: cpp/src/gandiva/llvm_generator.h
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@@ -49,10 +51,48 @@ class GANDIVA_EXPORT LLVMGenerator {
static Status Make(std::shared_ptr<Configuration> config,
std::unique_ptr<LLVMGenerator>* llvm_generator);
+ static std::shared_ptr<Cache<BaseCacheKey,
std::shared_ptr<llvm::MemoryBuffer>>>
+ GetCache();
+
/// \brief Build the code for the expression trees for default mode. Each
/// element in the vector represents an expression tree
Status Build(const ExpressionVector& exprs, SelectionVector::Mode mode);
+ /// \brief Build the code for the expression trees for default mode with a
LLVM
+ /// ObjectCache. Each element in the vector represents an expression tree
+ template <class KeyType>
+ Status Build(const ExpressionVector& exprs, SelectionVector::Mode mode,
+ GandivaObjectCache<KeyType>& obj_cache) {
+ selection_vector_mode_ = mode;
+
+ // Start measuring code gen time
+ auto begin = std::chrono::high_resolution_clock::now();
+ for (auto& expr : exprs) {
+ auto output = annotator_.AddOutputFieldDescriptor(expr->result());
+ ARROW_RETURN_NOT_OK(Add(expr, output));
+ }
+
+ // Stop measuring time, calculate the elapsed time and pass it to object
cache
+ auto end = std::chrono::high_resolution_clock::now();
+ size_t elapsed =
Review comment:
Sorry, it seemed right. But I fixed with your suggestion.
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