taiyang-li commented on issue #8528: URL: https://github.com/apache/incubator-gluten/issues/8528#issuecomment-2594976625
The performance of gluten has no significant advantage over vanilla. Need to improve it. Gluten: ``` sql 0: jdbc:hive2://localhost:10000/> select l_orderkey % 10, approx_count_distinct(l_partkey) from lineitem group by l_orderkey % 10 order by l_orderkey % 10 ; +--------------------+-----------------------------------+ | (l_orderkey % 10) | approx_count_distinct(l_partkey) | +--------------------+-----------------------------------+ | 0 | 18813 | | 1 | 20083 | | 2 | 18534 | | 3 | 18015 | | 4 | 19054 | | 5 | 19177 | | 6 | 19685 | | 7 | 18463 | | 8 | 19816 | | 9 | 18993 | +--------------------+-----------------------------------+ 10 rows selected (2.203 seconds) ``` Vanilla: ``` sql 0: jdbc:hive2://localhost:10000/> select l_orderkey % 10, approx_count_distinct(l_partkey) from lineitem group by l_orderkey % 10 order by l_orderkey % 10 ; +--------------------+-----------------------------------+ | (l_orderkey % 10) | approx_count_distinct(l_partkey) | +--------------------+-----------------------------------+ | 0 | 18531 | | 1 | 18741 | | 2 | 18387 | | 3 | 18535 | | 4 | 18674 | | 5 | 18444 | | 6 | 18286 | | 7 | 18364 | | 8 | 18415 | | 9 | 19079 | +--------------------+-----------------------------------+ 10 rows selected (2.383 seconds) ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
