Skip to content

Conversation

@yifeih
Copy link

@yifeih yifeih commented Feb 27, 2019

No description provided.

@bulldozer-bot bulldozer-bot bot merged commit f2bea55 into palantir:spark-25299-test-build Feb 27, 2019
Copy link

@svc-spark-25299 svc-spark-25299 left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

================================================================================================
BypassMergeSortShuffleWriter write
================================================================================================

OpenJDK 64-Bit Server VM 1.8.0_191-8u191-b12-0ubuntu0.16.04.1-b12 on Linux 4.4.0-141-generic
Intel(R) Xeon(R) Platinum 8124M CPU @ 3.00GHz
BypassMergeSortShuffleWrite (in memory buffer) 10000: Best/Avg Time(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------
small dataset without spills on disk             3 /    3          3.5         282.5       1.0X

OpenJDK 64-Bit Server VM 1.8.0_191-8u191-b12-0ubuntu0.16.04.1-b12 on Linux 4.4.0-141-generic
Intel(R) Xeon(R) Platinum 8124M CPU @ 3.00GHz
BypassMergeSortShuffleWrite (with spill) 10000000: Best/Avg Time(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------
without transferTo                            1945 / 1971          5.1         194.5       1.0X
with transferTo                               1922 / 1942          5.2         192.2       1.0X

================================================================================================
UnsafeShuffleWriter write
================================================================================================

OpenJDK 64-Bit Server VM 1.8.0_191-8u191-b12-0ubuntu0.16.04.1-b12 on Linux 4.4.0-141-generic
Intel(R) Xeon(R) Platinum 8124M CPU @ 3.00GHz
UnsafeShuffleWriter with spills:         Best/Avg Time(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------
small dataset without spills                    15 /   15          0.1       14602.9       1.0X

OpenJDK 64-Bit Server VM 1.8.0_191-8u191-b12-0ubuntu0.16.04.1-b12 on Linux 4.4.0-141-generic
Intel(R) Xeon(R) Platinum 8124M CPU @ 3.00GHz
UnsafeShuffleWriter with spills:         Best/Avg Time(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------
without transferTo                          40535 / 40675          0.3        3020.1       1.0X
with transferTo                             40324 / 40570          0.3        3004.4       1.0X



Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

2 participants