| Issue | Fix Version | Assignee | Priority | Status | Resolution | Resolved In Build |
|---|---|---|---|---|---|---|
| JDK-2175673 | 7 | Vladimir Kozlov | P3 | Closed | Fixed | b54 |
| JDK-2180565 | 6u18 | Vladimir Kozlov | P3 | Resolved | Fixed | b01 |
The regression was introduced by changes in
6743900: frequency based block layout
Switching off BlockLayoutByFrequency does not help.
i% gamma -showversion SpecApplication -s100 -M5 -m5 -g -d3000 -a _222_mpegaudio | grep Finished
java version "1.6.0_06-p"
Java(TM) SE Runtime Environment (build 1.6.0_06-p-b04)
OpenJDK 64-Bit Server VM (build 14.0-b06-2008-10-31-000942.never.6764622, mixed mode)
======= _222_mpegaudio Finished in 1.572 secs
======= _222_mpegaudio Finished in 1.238 secs
======= _222_mpegaudio Finished in 1.214 secs
======= _222_mpegaudio Finished in 1.213 secs
======= _222_mpegaudio Finished in 1.208 secs
% gamma -showversion SpecApplication -s100 -M5 -m5 -g -d3000 -a _222_mpegaudio | grep Finished
java version "1.6.0_06-p"
Java(TM) SE Runtime Environment (build 1.6.0_06-p-b04)
OpenJDK 64-Bit Server VM (build 14.0-b06-2008-11-06-230423.rasbold.6743900, mixed mode)
======= _222_mpegaudio Finished in 1.786 secs
======= _222_mpegaudio Finished in 1.454 secs
======= _222_mpegaudio Finished in 1.425 secs
======= _222_mpegaudio Finished in 1.426 secs
======= _222_mpegaudio Finished in 1.422 secs
% gamma -XX:-BlockLayoutByFrequency -showversion SpecApplication -s100 -M5 -m5 -g -d3000 -a _222_mpegaudio | grep Finished
java version "1.6.0_06-p"
Java(TM) SE Runtime Environment (build 1.6.0_06-p-b04)
OpenJDK 64-Bit Server VM (build 14.0-b06-2008-11-06-230423.rasbold.6743900, mixed mode)
======= _222_mpegaudio Finished in 1.799 secs
======= _222_mpegaudio Finished in 1.471 secs
======= _222_mpegaudio Finished in 1.446 secs
======= _222_mpegaudio Finished in 1.445 secs
======= _222_mpegaudio Finished in 1.441 secs
6743900: frequency based block layout
Switching off BlockLayoutByFrequency does not help.
i% gamma -showversion SpecApplication -s100 -M5 -m5 -g -d3000 -a _222_mpegaudio | grep Finished
java version "1.6.0_06-p"
Java(TM) SE Runtime Environment (build 1.6.0_06-p-b04)
OpenJDK 64-Bit Server VM (build 14.0-b06-2008-10-31-000942.never.6764622, mixed mode)
======= _222_mpegaudio Finished in 1.572 secs
======= _222_mpegaudio Finished in 1.238 secs
======= _222_mpegaudio Finished in 1.214 secs
======= _222_mpegaudio Finished in 1.213 secs
======= _222_mpegaudio Finished in 1.208 secs
% gamma -showversion SpecApplication -s100 -M5 -m5 -g -d3000 -a _222_mpegaudio | grep Finished
java version "1.6.0_06-p"
Java(TM) SE Runtime Environment (build 1.6.0_06-p-b04)
OpenJDK 64-Bit Server VM (build 14.0-b06-2008-11-06-230423.rasbold.6743900, mixed mode)
======= _222_mpegaudio Finished in 1.786 secs
======= _222_mpegaudio Finished in 1.454 secs
======= _222_mpegaudio Finished in 1.425 secs
======= _222_mpegaudio Finished in 1.426 secs
======= _222_mpegaudio Finished in 1.422 secs
% gamma -XX:-BlockLayoutByFrequency -showversion SpecApplication -s100 -M5 -m5 -g -d3000 -a _222_mpegaudio | grep Finished
java version "1.6.0_06-p"
Java(TM) SE Runtime Environment (build 1.6.0_06-p-b04)
OpenJDK 64-Bit Server VM (build 14.0-b06-2008-11-06-230423.rasbold.6743900, mixed mode)
======= _222_mpegaudio Finished in 1.799 secs
======= _222_mpegaudio Finished in 1.471 secs
======= _222_mpegaudio Finished in 1.446 secs
======= _222_mpegaudio Finished in 1.445 secs
======= _222_mpegaudio Finished in 1.441 secs
- backported by
-
JDK-2180565 Performance regression in mpegaudio on x64
-
- Resolved
-
-
-
- Closed
-
- relates to
-
JDK-6743900 frequency based block layout
-
- Resolved
-