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Linux-Informix Forum

Re: Re: Java J/Foundation on Linux

Posted By: Sean R. Durity
Date: Thursday, 19 September 2002, at 9:00 a.m.

In Response To: Re: Java J/Foundation on Linux (Gyula Csom)

On Thu, 2002-09-19 at 03:29, Gyula Csom wrote:
> Does anyone has any J/Foundation benchmark test, some experience regarding
> performance? For instance comparing C and Java implementations for the same
> problem.
I don't have complete information, but this is what I have seen.
DataBlade developers use C because it is faster. However, it is less
portable across platforms and much more complex to implement. Java is
portable and much easier to do. Paul Brown, in his book
_Object-Relational DataBase Development_ (and in his extensibility
session at IUC 2002), said essentially the same thing. It took very
little time for him to write and test the Java examples for his book,
while the C routines took MUCH longer. As for Java UDR performance, IBM
claims a 2x speed increase for IDS 9.30 (which uses a 1.3.1 JVM) vs IDS
9.21 (which uses a 1.2.2 JVM). Finally, I've seen a chart (I think)
showing that a Java UDR is faster than an equivalent SPL function (but
slower than a C UDR). I thought it was in R. Flannery's _Informix
Handbook_, but I didn't see it on a quick glance.
Hope this gices you some guidance.
--
Sean R. Durity
Moderator

Messages In This Thread

Java J/Foundation on Linux
Sean R. Durity -- Wednesday, 18 September 2002, at 3:33 p.m.
- Re: Java J/Foundation on Linux
  Gyula Csom -- Thursday, 19 September 2002, at 3:28 a.m.
  - Re: Re: Java J/Foundation on Linux
    Sean R. Durity -- Thursday, 19 September 2002, at 9:00 a.m.

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