Re: [I] [C++] LevelDecoder::Decode，internal::FindMinMax consume lots of cpu [arrow]

["jiangshifu (via GitHub)" <gi...@apache.org>]

jiangshifu commented on issue #50548:
URL: https://github.com/apache/arrow/issues/50548#issuecomment-5020229559

   parquet::internal::standard::FindMinMaxImpl level_comparison_inc.h:51
   parquet::internal::FindMinMax level_comparison.cc:77
   parquet::LevelDecoder::Decode column_reader.cc:190
   parquet::ColumnReaderImplBase::ReadDefinitionLevels column_reader.cc:1004
   parquet::TypedColumnReaderImpl::ReadLevels column_reader.cc:1347
   parquet::TypedColumnReaderImpl::ReadBatch column_reader.cc:1430
   parquet::TypedColumnReaderImpl::Skip column_reader.cc:1553
   parquet::internal::TypedRecordReader::SkipRecords column_reader.cc:1946
   readCol skip_record.cpp:400
   ReadPagesWithPageIndex skip_record.cpp:461
   main skip_record.cpp:481
   <unknown> 0x0000ffff91486040
   __libc_start_main 0x0000ffff91486118
   _start 0x00000000004219b0


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