Re: Test performance: Java 1.5 vs. 1.4

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#313

From: Shankar Unni
Date: Fri, 07 Oct 2005 19:12

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Shankar Unni wrote:

> There's no one "speed of 1.5" vs "speed of 1.4". Many things have been 
> sped up. Other things have also changed. Depending on your application's 
> exact usage patterns, certain things may have sped up, and certain 
> things may have slowed down, with (in your case) a net negative effect.

PS There's one open issue I saw on the JDC regarding the performance of 
String.toLowerCase(), which now (in 1.5) does an unnecessary 
String.intern() which is quite expensive. Apparently certain (e.g. 
Spring Framework based) apps have been affected quite seriously.

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Date: Fri, 07 Oct 2005 12:12:33 -0700
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