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Re: Re: Re: Java Performance in MAC OS X



[serickson@serickson-pmg5:~/Documents/Downloads/JavaStringTest]
[0:537] > sh runtest.sh
Hardware:

   Hardware Overview:

     Machine Name: Power Mac G5 Quad
     Machine Model: PowerMac11,2
     CPU Type: PowerPC G5 (1.1)
     Number Of CPUs: 4
     CPU Speed: 2.5 GHz
     L2 Cache (per CPU): 1 MB
     Memory: 2 GB
     Bus Speed: 1.25 GHz
     Boot ROM Version: 5.2.7f1

Software:

   System Software Overview:

     System Version: Mac OS X 10.4.7 (8J135)
     Kernel Version: Darwin 8.7.0

java version "1.3.1_16"
Java(TM) 2 Runtime Environment, Standard Edition (build
1.3.1_16-root_1.3.1_050718-17:36)
Java HotSpot(TM) Client VM (build 1.3.1_09-82, mixed mode)
buffer.append('a') x 400,000 - 157(ms)
buffer.append('a') x 400,000 - 114(ms)
buffer.append('a') x 400,000 - 114(ms)
buffer.append('a') x 400,000 - 113(ms)
buffer.append('a') x 400,000 - 115(ms)
buffer.append('a') x 400,000 - 113(ms)
buffer.append('a') x 400,000 - 113(ms)
buffer.append('a') x 400,000 - 114(ms)
buffer.append('a') x 400,000 - 113(ms)
buffer.append('a') x 400,000 - 113(ms)
java version "1.4.2_09"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_09-232)
Java HotSpot(TM) Client VM (build 1.4.2-54, mixed mode)
buffer.append('a') x 400,000 - 101(ms)
buffer.append('a') x 400,000 - 87(ms)
buffer.append('a') x 400,000 - 86(ms)
buffer.append('a') x 400,000 - 101(ms)
buffer.append('a') x 400,000 - 101(ms)
buffer.append('a') x 400,000 - 101(ms)
buffer.append('a') x 400,000 - 100(ms)
buffer.append('a') x 400,000 - 101(ms)
buffer.append('a') x 400,000 - 101(ms)
buffer.append('a') x 400,000 - 101(ms)
java version "1.5.0_06"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-112)
Java HotSpot(TM) Client VM (build 1.5.0_06-64, mixed mode, sharing)
buffer.append('a') x 400,000 - 137(ms)
buffer.append('a') x 400,000 - 129(ms)
buffer.append('a') x 400,000 - 127(ms)
buffer.append('a') x 400,000 - 128(ms)
buffer.append('a') x 400,000 - 128(ms)
buffer.append('a') x 400,000 - 127(ms)
buffer.append('a') x 400,000 - 128(ms)
buffer.append('a') x 400,000 - 127(ms)
buffer.append('a') x 400,000 - 127(ms)
buffer.append('a') x 400,000 - 127(ms)

(note I don't have 1.6 DP installed on my main development system but
if you read the release notes I would expect it to be much slower on
my PowerPC system)

-Shawn
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References: 
 >Java Performance in MAC OS X (From: "Carlos Santiago" <email@hidden>)
 >Re: Java Performance in MAC OS X (From: Bill Wagner <email@hidden>)
 >Re: Java Performance in MAC OS X (From: "Carlos Santiago" <email@hidden>)
 >Re: Java Performance in MAC OS X (From: Niels Meersschaert <email@hidden>)
 >Re: Java Performance in MAC OS X (From: "Carlos Santiago" <email@hidden>)
 >Re: Re: Java Performance in MAC OS X (From: "Shawn Erickson" <email@hidden>)



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