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Welcome to the Mechanical Sympathy group. This group is for discussing how to code sympathetically for the underlying stack/platform so good performance can be extracted.
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Chris Newland
, …
Nitsan Wakart
6
2/10/17
HotSpot code cache and instruction prefetching
We have no availability based heuristics, nor does anyone else AFAIK, for dynamically enabling/
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CPU
Hotspot
Java
Performance
HotSpot code cache and instruction prefetching
We have no availability based heuristics, nor does anyone else AFAIK, for dynamically enabling/
2/10/17
Дмитрий Пеньков
, …
Alex Bagehot
9
1/29/17
Futex flood
you are trying to give 200 JVMs 10 core each. Before separating all 200 JVMs "see" all 80
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GC
Hotspot
Java
futex
jvm
linux
syscall
threads
Futex flood
you are trying to give 200 JVMs 10 core each. Before separating all 200 JVMs "see" all 80
1/29/17
Ivan Kelly
, …
Vitaly Davidovich
17
12/14/16
Minimum realistic GC time for G1 collector on 10GB
Have you tried just setting -Xmx10g and -XX:MaxGCPauseMillis=10? This is typically a good baseline to
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GC
Heap
Hotspot
Java
Latency
OpenJDK
Minimum realistic GC time for G1 collector on 10GB
Have you tried just setting -Xmx10g and -XX:MaxGCPauseMillis=10? This is typically a good baseline to
12/14/16
Alex Rothberg
4/24/14
JDK Performance Regression Data
Are there any good source of JDK performance metrics (as measured by some benchmark suite) for
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Hotspot
Performance
jvm
JDK Performance Regression Data
Are there any good source of JDK performance metrics (as measured by some benchmark suite) for
4/24/14
Ashkrit Sharma
,
Aleksey Shipilev
2
4/24/14
FMA Support in hotspot
There is no explicit intrinsic I am aware of. Also, I see no hits for "vfma" and "fma
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Hotspot
intrinsic
FMA Support in hotspot
There is no explicit intrinsic I am aware of. Also, I see no hits for "vfma" and "fma
4/24/14