JNI implications on HotSpot

[Tony Printezis]

Hi.

Michael Finocchiaro wrote:
> I was wondering if there were any thoughts, or better yet, white 
> papers, on the performance implications of JNI code on HotSpot 
> performance and configuration. The malloc()s in the native JNI code 
> are allocated on the Eden heap with other Java objects and subject to 
> the same rules?
Absolutely not. The Java heap is mmaped and we use custom memory 
management (GC!) and allocators for it; malloc uses a different space 
for allocations.

Tony
> Or not? Any boundary conditions to beware of? Google was not 
> particularly helpful so I am coming to the experts :)
> Cheers,
> Fino
>
>
>
> Michael Finocchiaro
> michael.finocchiaro at gmail.com <mailto:michael.finocchiaro at gmail.com>
> Mobile Telephone: +33 6 85 46 07 62
> MSN: le_fino at hotmail.com <mailto:le_fino at hotmail.com>
> Blog: http://mfinocchiaro.wordpress.com
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