cloud-fan commented on a change in pull request #28081:
[SPARK-31315][SQL][TEST] SQLQueryTestSuite: Display the total compile time for
generated java code
URL: https://github.com/apache/spark/pull/28081#discussion_r401452636
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala
##########
@@ -1309,6 +1309,13 @@ object CodeGenerator extends Logging {
// bytecode instruction
final val MUTABLESTATEARRAY_SIZE_LIMIT = 32768
+ // Display the total compile time for generating java code in the output of
the test case.
+ private val _compileTime = new LongAccumulator
Review comment:
can we add a simple test to run queries with whole-stage-codegen on/off and
see if this metrics increase? whole-stage-codegen compiles code at driver side.
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