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Type: Bug
Resolution: Fixed
Priority: P1
Fix Version/s: 9
Affects Version/s: 9
Component/s: hotspot
Labels:

Subcomponent:
compiler
Introduced In Build:
b29
Introduced In Version:

9
Resolved In Build:
b40
CPU:

sparc_64
OS:

solaris
Verification:
Verified

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8083475	emb-9	Roland Westrelin	P1	Resolved	Fixed	master

There is a 8% regression on specjvm2008:crypto.aes and 1.5% regression on specjvm2008:serial on SPARC caused by ~~JDK-7173584~~.

crypto.aes:
  before ~~JDK-7173584~~: 2958.01 ops/m
  after ~~JDK-7173584~~: 2305.47 ops/m
  current jdk9/jdk9: 2305.32 ops/m
  current jdk9/hs-comp: 2308.35 ops/m

serial:
  before ~~JDK-7173584~~: 260.98 ops/m
  after ~~JDK-7173584~~: 252.81 ops/m
  current jdk9/jdk9: 253.49 ops/m
  current jdk9/hs-comp: 253.93 ops/m

See the logs here:
http://cr.openjdk.java.net/~shade/8060252/

[1] Current hs-comp is:
$ hg tip
changeset: 7208:2b1ea93ea45e
tag: tip
user: thartmann
date: Mon Oct 13 12:30:37 2014 +0200
summary: 8046268: compiler/whitebox/ tests fail : must be osr_compiled

backported by

JDK-8083475 JDK-7173584 compiler changes regress SPECjvm2008 on SPARC

Resolved

duplicates

JDK-8058355 SPECjvm2008-Serial performance regression on Solaris-SPARC starting with 9-b29

Closed

relates to

JDK-8058746 escape analysis special case code for array copy broken by 7173584

Closed

JDK-7173584 Implement arraycopy as a macro node

Resolved

JDK-8058349 SPECjbb2005 1.4% performance regression on Linux with 9-b29

Resolved

JDK-8064703 crash running specjvm98's javac following 8060252

Closed

(1 relates to)

Assignee:: Roland Westrelin

Reporter:: Aleksey Shipilev

Votes:: 0 Vote for this issue

Watchers:: 4 Start watching this issue

Created:: 2014-10-13 13:22

Updated:: 2017-08-15 09:21

Resolved:: 2014-11-04 04:21

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