Question

Why doesn't Hotspot JIT optimize-out code that has no external effects?

score 23 · Answer 1 · 2024-03-26T09:34:18.093000

23

Views

Why doesn't Hotspot JIT optimize-out code that has no external effects?

Published on 26 March 2024 at 09:34

score 30 · Answer 2 · 2024-03-21T09:02:01.440000

30

Views

Java native access violation is not triggering the windows jit debugger

Published on 21 March 2024 at 09:02

score 90 · Answer 3 · 2024-02-24T19:45:32.140000

90

Views

OpenJDK Tracking ReentrantLock lock and unlock

Published on 24 February 2024 at 19:45

score 44 · Answer 4 · 2024-02-07T16:15:50.047000

44

Views

Why are there extra logs in /tmp under -XX:+LogCompilation?

Published on 07 February 2024 at 16:15

score 57 · Answer 5 · 2024-02-05T14:41:19.337000

57

Views

Why do we need Thread.sleep after calling System.gc in JDK native memory usage scenario?

Published on 05 February 2024 at 14:41

score 146 · Answer 6 · 2023-12-20T19:04:49.267000

146

Views

Interpreter resolve get/put method only resolves the first access to a field

Published on 20 December 2023 at 19:04

score 78 · Answer 7 · 2023-11-24T08:07:45.843000

78

Views

How does java.c determine which to call since there are three function implementations for different systems in Jdk8?

Published on 24 November 2023 at 08:07

score 93 · Answer 8 · 2023-11-22T14:39:00.010000

93

Views

Is there any good examples of jvm reuse LocalVariableTable slot?

Published on 22 November 2023 at 14:39

score 250 · Answer 9 · 2023-11-17T07:49:46.977000

250

Views

Why is the code cache not flushed even if code cache gets full?

Published on 17 November 2023 at 07:49

score 385 · Answer 10 · 2023-11-15T03:20:12.450000

385

Views

Will sending `kill -11` to java process raises a NullPointerException?

Published on 15 November 2023 at 03:20

score 616 · Answer 11 · 2023-11-06T11:22:09.520000

616

Views

JVM option --XX MaxJavaStackTraceDepth when I decrease any value below 10, It is not working

Published on 06 November 2023 at 11:22

score 126 · Answer 12 · 2023-10-27T15:52:38.487000

126

Views

JVM stack depth: JVM internal vs C++ calling through JNI

Published on 27 October 2023 at 15:52

score 187 · Answer 13 · 2023-10-17T07:25:09.120000

187

Views

How to print generated assembly code for intrinsic functions in the "java.lang.Math"?

Published on 17 October 2023 at 07:25

score 208 · Answer 14 · 2023-10-01T09:43:22.750000

208

Views

Impact of heap space / non heap space memory on number of possible threads for a jvm process

Published on 01 October 2023 at 09:43

score 31 · Answer 15 · 2023-08-28T09:42:28.900000

31

Views

How does the hotspot VM handle the CMF(concurrent mode failure)?

Published on 28 August 2023 at 09:42

score 314 · Answer 16 · 2023-08-22T12:22:30.560000

314

Views

JVM Crashed with Internal Error safepoint.cpp:687 Deadlock in safepoint code. Should have called back to the VM before blocking

Published on 22 August 2023 at 12:22

score 348 · Answer 17 · 2023-07-29T08:40:04.620000

348

Views

Linux OOM-Killer and G1 GC memory consumption

Published on 29 July 2023 at 08:40

score 54 · Answer 18 · 2023-07-03T08:12:52.537000

54

Views

JIT and OSR. Is compilation method based or code based?

Published on 03 July 2023 at 08:12

score 35 · Answer 19 · 2023-05-26T12:30:06.053000

35

Views

Why are my Runtime Memory Logs Much Lower on OpenShift than on Localhost?

Published on 26 May 2023 at 12:30

score 123 · Answer 20 · 2023-03-15T15:04:51.903000

123

Views

Java Virtual machine Attach API - loadAgent after checking is it already loaded

Published on 15 March 2023 at 15:04

List Question

Why doesn't Hotspot JIT optimize-out code that has no external effects?

Java native access violation is not triggering the windows jit debugger

OpenJDK Tracking ReentrantLock lock and unlock

Why are there extra logs in /tmp under -XX:+LogCompilation?

Why do we need Thread.sleep after calling System.gc in JDK native memory usage scenario?

Interpreter resolve get/put method only resolves the first access to a field

How does java.c determine which to call since there are three function implementations for different systems in Jdk8?

Is there any good examples of jvm reuse LocalVariableTable slot?

Why is the code cache not flushed even if code cache gets full?

Will sending `kill -11` to java process raises a NullPointerException?

JVM option --XX MaxJavaStackTraceDepth when I decrease any value below 10, It is not working

JVM stack depth: JVM internal vs C++ calling through JNI

How to print generated assembly code for intrinsic functions in the "java.lang.Math"?

Impact of heap space / non heap space memory on number of possible threads for a jvm process

How does the hotspot VM handle the CMF(concurrent mode failure)?

JVM Crashed with Internal Error safepoint.cpp:687 Deadlock in safepoint code. Should have called back to the VM before blocking

Linux OOM-Killer and G1 GC memory consumption

JIT and OSR. Is compilation method based or code based?

Why are my Runtime Memory Logs Much Lower on OpenShift than on Localhost?

Java Virtual machine Attach API - loadAgent after checking is it already loaded

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