R and Partial Evaluation with Graal

[Jaroslav Tulach]

Hello Juan,
I think you can choose your JDK with:

fastr$ mx --java-home /path/to/graalvm R

-jt


### Sunday 15 of May 2016, 13:04:29 @ Juan Fumero ###
> Hi all, 
>   I am using the R version [1] in github. I saw there is no dependency
> now with Graal-core. Just Truffle instead. My question is how to use
> now the Graal JVMCI compiler. 
> 
> I compile with the graal-core [2] compiler separately. But when I
> execute R I get this error:
> 
> <error>
> $ mx R 
> ..... 
> Exception in thread "main" java.lang.InternalError
> 	at com.oracle.truffle.api.Truffle$1.run(Truffle.java:103)
> 	at com.oracle.truffle.api.Truffle$1.run(Truffle.java:58)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at com.oracle.truffle.api.Truffle.initRuntime(Truffle.java:58)
> 	at com.oracle.truffle.api.Truffle.<clinit>(Truffle.java:46)
> 	at
> com.oracle.truffle.api.impl.Accessor.<clinit>(Accessor.java:321)
> 	at
> com.oracle.truffle.api.vm.PolyglotEngine.<clinit>(PolyglotEngine.java:1
> 07)
> 	at
> com.oracle.truffle.r.engine.shell.RCommand.readEvalPrint(RCommand.java:
> 191)
> 	at
> com.oracle.truffle.r.engine.shell.RCommand.main(RCommand.java:85)
> Caused by: java.lang.reflect.InvocationTargetException
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.ja
> va:62)
> 	at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccesso
> rImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:498)
> 	at com.oracle.truffle.api.Truffle$1.run(Truffle.java:100)
> 	... 8 more
> Caused by: java.lang.NoClassDefFoundError:
> com/oracle/truffle/api/TruffleRuntimeAccess  (suppress with
> -Djvmci.service.suppressNoClassDefFoundError=true)
> 	at jdk.vm.ci.services.Services$1.computeValue(Services.java:59)
> 
> 	at jdk.vm.ci.services.Services$1.computeValue(Services.java:50)
> 
> 	at java.lang.ClassValue.getFromHashMap(ClassValue.java:227)
> 	at java.lang.ClassValue.getFromBackup(ClassValue.java:209)
> 	at java.lang.ClassValue.get(ClassValue.java:115)
> 	at jdk.vm.ci.services.Services.loadSingle(Services.java:120)
> 	... 13 more
> Caused by: java.lang.ClassNotFoundException:
> com.oracle.truffle.api.TruffleRuntimeAccess
> 	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> 	at
> java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:814)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> 	at java.lang.ClassLoader.defineClass1(Native Method)
> 	at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
> 	at
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
> 	at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
> 
> 	at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> 	at
> java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:814)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> 	at jdk.vm.ci.services.Services.getServiceImpls(Native Method)
> 	at jdk.vm.ci.services.Services.access$000(Services.java:37)
> 	at jdk.vm.ci.services.Services$1.computeValue(Services.java:54)
> 
> 	... 18 more\
> </error>
> 
> So I run with the option suggested in the error:
> 
> $ mx -v R --J @'-Djvmci.service.suppressNoClassDefFoundError=true '
> myScript.R 
> 
> I can run FastR but,  is this the use of  the Partial Evaluator in
> Graal through the OptimizedCallTarget? 
> 
> [1] https://github.com/graalvm/fastr 
> [2] https://github.com/graalvm/graal-core/commit/071173a4a61247df0826a0
> 1db20bf7b381f1bbfe 
> 
> Thanks
> -juan