[graalvm-users] GraalVM-Users Digest, Vol 7, Issue 3

[Rodrigo Botafogo]

Great post...

It shows there how to wrap a Java array with ProxyArray to build an R
dataframe.  Is something similar possible with Ruby?  Is there any way to
wrap a Ruby array, or any other class for that matter, in such a way that
it can be converted to an R dataframe with the same Ruby backed data?

Thanks!

On Fri, Oct 12, 2018 at 4:00 PM <graalvm-users-request at oss.oracle.com>
wrote:

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> Today's Topics:
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>    1. MethodHandle and VarHandles for GraalVM 11 (Kasper Nielsen)
>    2. new blog post: Faster R with FastR (Oleg ?elajev)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 12 Oct 2018 09:38:19 +0100
> From: Kasper Nielsen <kasperni at gmail.com>
> Subject: [graalvm-users] MethodHandle and VarHandles for GraalVM 11
> To: graalvm-users at oss.oracle.com
> Message-ID:
>         <CAPs6151ORh9EmppysEq7THx235psBpCWF=
> m3+3EcBj8J_dfyZA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi,
>
> With MethodHandles and VarHandles being the only safe way to access members
> across module boundaries for Java 11 and greater.
> How will the limits outlined here
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_oracle_graal_blob_master_substratevm_LIMITATIONS.md-23invokedynamic-2Dbytecode-2Dand-2Dmethod-2Dhandles&d=DwIBaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=CUkXBxBNT_D5N6HMJ5T9Z6rmvNKYsqupcbk72K0lcoQ&m=eB7NOfFFa-lNWC35epoJT1gnKeKzO4v-75i3-xj8iOA&s=-fRbUyYzG85Nd8Gb8E_fR0Zo8rqDRDzTWxFwOMqK2FM&e=
> be effected.
> I assume as a minimum things such as MethodHandle.Lookup.unreflect* and
> MethodHandle.Lookup.find* will work for runtime reflected members?
>
> Cheers
>   Kasper
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> Message: 2
> Date: Fri, 12 Oct 2018 14:01:01 +0300
> From: Oleg ?elajev <OLEG.SELAJEV at ORACLE.COM>
> Subject: [graalvm-users] new blog post: Faster R with FastR
> To: graalvm-users at oss.oracle.com
> Message-ID: <6CD6D41A-4DFF-4E97-90E7-3128A4196BF8 at ORACLE.COM>
> Content-Type: text/plain; charset="utf-8"
>
> Hi,
>
> ?t?p?n ?indel?? wrote a very instructive article on FastR, the GraalVM's
> implementation of R:
> https://urldefense.proofpoint.com/v2/url?u=https-3A__medium.com_graalvm_faster-2Dr-2Dwith-2Dfastr-2D4b8db0e0dceb&d=DwIFaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=CUkXBxBNT_D5N6HMJ5T9Z6rmvNKYsqupcbk72K0lcoQ&m=2cSYMkFISTzrMf6-57p1FL1aX7bcDPqGM-F6_8XZcaA&s=aJQwQL375NRJvSr4KtEtT9cablKZlq8HgP1jRj-DVIE&e= <
> https://urldefense.proofpoint.com/v2/url?u=https-3A__medium.com_graalvm_faster-2Dr-2Dwith-2Dfastr-2D4b8db0e0dceb&d=DwIFaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=CUkXBxBNT_D5N6HMJ5T9Z6rmvNKYsqupcbk72K0lcoQ&m=2cSYMkFISTzrMf6-57p1FL1aX7bcDPqGM-F6_8XZcaA&s=aJQwQL375NRJvSr4KtEtT9cablKZlq8HgP1jRj-DVIE&e=>
>
> In which he talks about the compatibility with GNU-R, polyglot and using R
> from Java and Python, and some performance benchmarks.
> If you didn't get acquainted with FastR yet (actually even if you did look
> at it in the past), it's really good material to go over!
>
>
> Oleg
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-- 
Rodrigo Botafogo
Integrando TI ao seu negócio
21-3010-4802/11-3010-1802
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