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Posted to commits@harmony.apache.org by "Aleksey Shipilev (JIRA)" <ji...@apache.org> on 2008/07/12 15:57:32 UTC
[jira] Created: (HARMONY-5910) [classlib][pack200][performance]
BHSDCodec.decode() optimization
[classlib][pack200][performance] BHSDCodec.decode() optimization
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Key: HARMONY-5910
URL: https://issues.apache.org/jira/browse/HARMONY-5910
Project: Harmony
Issue Type: Improvement
Components: Classlib
Environment: Latest pack200
Reporter: Aleksey Shipilev
Optimization of o.a.h.pack200.BHSDCodec.decode(...).
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[jira] Closed: (HARMONY-5910) [classlib][pack200][performance]
BHSDCodec.decode() optimization
Posted by "Aleksey Shipilev (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-5910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aleksey Shipilev closed HARMONY-5910.
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Thanks, Sian.
> [classlib][pack200][performance] BHSDCodec.decode() optimization
> ----------------------------------------------------------------
>
> Key: HARMONY-5910
> URL: https://issues.apache.org/jira/browse/HARMONY-5910
> Project: Harmony
> Issue Type: Improvement
> Components: Classlib
> Environment: Latest pack200
> Reporter: Aleksey Shipilev
> Assignee: Sian January
> Fix For: 5.0M7
>
> Attachments: pack200-bhsdcodec-v1.patch
>
>
> Optimization of o.a.h.pack200.BHSDCodec.decode(...).
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[jira] Updated: (HARMONY-5910) [classlib][pack200][performance]
BHSDCodec.decode() optimization
Posted by "Aleksey Shipilev (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-5910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aleksey Shipilev updated HARMONY-5910:
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Attachment: pack200-bhsdcodec-v1.patch
pack200-bhsdcodec-v1.patch
- precomputes the powers of radix
- inlines isHigh()
- moves the check for EOF from the cycle
- reorders operands in exit condition and uses partial boolean evaluation
Gives +4% to unpacking scenario (1.2 secs from 35.5 total).
> [classlib][pack200][performance] BHSDCodec.decode() optimization
> ----------------------------------------------------------------
>
> Key: HARMONY-5910
> URL: https://issues.apache.org/jira/browse/HARMONY-5910
> Project: Harmony
> Issue Type: Improvement
> Components: Classlib
> Environment: Latest pack200
> Reporter: Aleksey Shipilev
> Attachments: pack200-bhsdcodec-v1.patch
>
>
> Optimization of o.a.h.pack200.BHSDCodec.decode(...).
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[jira] Assigned: (HARMONY-5910) [classlib][pack200][performance]
BHSDCodec.decode() optimization
Posted by "Sian January (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-5910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sian January reassigned HARMONY-5910:
-------------------------------------
Assignee: Sian January
> [classlib][pack200][performance] BHSDCodec.decode() optimization
> ----------------------------------------------------------------
>
> Key: HARMONY-5910
> URL: https://issues.apache.org/jira/browse/HARMONY-5910
> Project: Harmony
> Issue Type: Improvement
> Components: Classlib
> Environment: Latest pack200
> Reporter: Aleksey Shipilev
> Assignee: Sian January
> Attachments: pack200-bhsdcodec-v1.patch
>
>
> Optimization of o.a.h.pack200.BHSDCodec.decode(...).
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[jira] Resolved: (HARMONY-5910) [classlib][pack200][performance]
BHSDCodec.decode() optimization
Posted by "Sian January (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-5910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sian January resolved HARMONY-5910.
-----------------------------------
Resolution: Fixed
Fix Version/s: 5.0M7
Applied patch at r676545 (with some trailing spaces removed). Please check that it was applied as you expected.
> [classlib][pack200][performance] BHSDCodec.decode() optimization
> ----------------------------------------------------------------
>
> Key: HARMONY-5910
> URL: https://issues.apache.org/jira/browse/HARMONY-5910
> Project: Harmony
> Issue Type: Improvement
> Components: Classlib
> Environment: Latest pack200
> Reporter: Aleksey Shipilev
> Assignee: Sian January
> Fix For: 5.0M7
>
> Attachments: pack200-bhsdcodec-v1.patch
>
>
> Optimization of o.a.h.pack200.BHSDCodec.decode(...).
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