Is there a free native compiler?

Does anyone know of a free native compiler.

Excelsior (http://www.excelsior-usa.com/) recently released a free (as in beer) edition of JET.
For Linux, there's GCJ (http://gcc.gnu.org/java/).

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Native Compilation

Has there been any further word from Oracle on the status of making Java native compilation, or at least just in time compilation, an available option inside JServer (Aurora)?
null

It will be in 8.1.7. For further details, see FAQ at:
http://technet.oracle.com/products/oracle8i/htdocs/jserver_faq/index.html#_64_
take care
John.
Oracle JServer Development Team

Native compilation and the ROUND function

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oracle by oracle wrote:
I am trying to test performance of one package and there is only one procedure wich uses just instr and substr internal functions ( I am working with varchar2).
I am having the folowing results: native compilation is twice worst than inetrpreted. What may be the reason?
P.S. I did ALTER SYSTEM FLUSH SHARED_POOL;Yuo should take this into account that the Native compilation is not supposed to make the code always go faster. If I remember correctly, the maximum benefit that Oracle benchmarked for it was about 30% only and taht too, if the code has lots of computational code rather than queries. If your package contains lots of this kind of code. than may be the Native compilation may be faster than the other but it doesn't come with any guarantee like this.
Have a read about it from here,
http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14261/tuning.htm#sthref2278
HTH
Aman....

Will native compiling improve performance?

Hi,
I've got familiar with Excelsior Native Compiler since a week ago. They claim on their website that compiling Java classes to native code (machine code) will improve the performance of the application. However, JAlbum (http://jalbum.net) says that its JAR files of the application run "basically at the same speed" compared to the native compiled one for windows.
Will really compiling Java classes to native code improve performance? I'm not talking about the startup speed, I mean the whole application performance.
Thanks...

depends on what the app is doing
many things in java run as fast as native code, especially if you're using a later version of java
i guess there's one way to find out :-)

How much can a native compiler improve performance of a java application?

Hello,
we have a customer with low-end machines who complains very much about the
starting time of an application of us. I dont't know the exact configuration
of the clients but i think the bad perfrmance is because the client has too
few memory and has to swap when the jvm starts.
Could a native compiler like Excelsior JET be a solution or would the
imporvement be only marginal?
Anyone who has experience in this topic?
Thank you in advance!

Could a native compiler like Excelsior JET be a solution or would the
imporvement be only marginal?Excelsior JET only packages up the class files and a JRE into a big blob so that it looks like a single executable. It doesn't actually generate native code for your classes.
There are some limited pure-native compilers (e.g. GCJ - the GNU compiler for Java). Because you also need native-compiled libraries, and those are quite incomplete, only certain basic programs can be compiled down to native form without some major tweaking today.
As to whether it'll improve your performance or not: if your program is computationally intensive (does lots of floating-point math, or other CPU-intensive algorithms), it may improve. If it's I/O, network or database bound, you'll see very little improvement, if any. If it's graphics-bound, you may see some improvement, though the native Swing support with GCJ is limited at this time.
Even with long computationally-intensive programs, you may or may not see an improvement. If you use the server VM (java -server ...), then it does similar things behind your back (optimizing compiles), so that eventually your program speeds up a fair amount (though not to pure-native speeds).

PLS-00923: native compilation failed: make:spdtexmk:

Hello,
I am using Oracle 92 on Windows Platform.
I am trying to change Interpreter to NATIVE mode.
I changed parameters as needed. Below are the parameters I have after change.
SQL> show parameter plsql_compiler_flags
NAME TYPE VALUE
plsql_compiler_flags string NATIVE
SQL> show parameter native
NAME TYPE VALUE
plsql_native_c_compiler string D:\Borland\BCC55\Bin\BCC32.EXE
plsql_native_library_dir string D:\oracle\ora92\plsql\Lib
plsql_native_library_subdir_count integer 500
plsql_native_linker string D:\Borland\BCC55\Bin\ilink32.exe
plsql_native_make_file_name string D:\oracle\ora92\plsql\spnc_makefile.mk
plsql_native_make_utility string make
I am using Borland C.
I changed a bit in mk file. But when I compile a simpe SP, I am getting PLS-00923: native compilation failed: make:spdtexmk: error.
I guess it could be compile error, So is there any one has a sample make file for borland C on windows platform!! That might helps me!!!

Hi,
i tried everythind to get to runs this under windows 2000
but nothing worked,
the question is, if it's supported
doese anybody knoe here?
With linux it worked in 5 minutes of configuration;
The advantage is that always a c compiler is on board
Carl

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Please explian what is native compilation and how to use it

hi all.
please explian what is native compilation and how to use it
regards

It's explained well in the PL/SQL User's Guide and Reference
Compiling PL/SQL Code for Native Execution
http://download-uk.oracle.com/docs/cd/B10501_01/appdev.920/a96624/12_tune.htm#48419

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Is there a free native compiler?

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