[jira] [Commented] (SYSTEMML-2077) New eval builtin function
[
https://issues.apache.org/jira/browse/SYSTEMML-2077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16374735#comment-16374735
]
Matthias Boehm commented on SYSTEMML-2077:
--
These classes are automatically generated by ANTLR and hence not checked into
the repo. Please, just run {{mvn package}} this will also call the parser
generator - once you have these generated files you can simply rely on the
incremental compile of your IDE.
> New eval builtin function
> -
>
> Key: SYSTEMML-2077
> URL: https://issues.apache.org/jira/browse/SYSTEMML-2077
> Project: SystemML
> Issue Type: Sub-task
>Reporter: Matthias Boehm
>Priority: Major
>
> This new eval builtin function aims to provide a concise language construct
> to evaluate dynamic expressions and functions.
> Similar to R's eval function
> (https://stat.ethz.ch/R-manual/R-devel/library/base/html/eval.html), this
> would allow us to evaluate dynamically constructed expressions. There are two
> major sub tasks here: the invocation of given function pointers and the
> evaluation of dynamic expressions given as strings. Initially, we would focus
> on the former by allowing call such as {{R = eval(fname, A, B, C)}}. So far
> SystemML does not provide second-order functions which requires explicit
> {{if-else}} conditions for ensemble learning workloads. With this new
> {{eval}} function we could store a list of function names in a frame {{F}}
> and dynamically call them via {{R[i, ] = eval(F[i,1], A, B, C)}}.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
[jira] [Commented] (SYSTEMML-2077) New eval builtin function
[
https://issues.apache.org/jira/browse/SYSTEMML-2077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16374310#comment-16374310
]
LI Guobao commented on SYSTEMML-2077:
-
Hi [~mboehm7], I have a problem of compiling the code. I wanted to launch a
test in the class MLContextTest. And I found the errors of compilation because
of the missing classes such as PydmlParser, DmlParser etc... And I saw that
they were excluded in the file .gitignore. So how can I compile the code for
launch a test?
Regards,
Guobao
> New eval builtin function
> -
>
> Key: SYSTEMML-2077
> URL: https://issues.apache.org/jira/browse/SYSTEMML-2077
> Project: SystemML
> Issue Type: Sub-task
>Reporter: Matthias Boehm
>Priority: Major
>
> This new eval builtin function aims to provide a concise language construct
> to evaluate dynamic expressions and functions.
> Similar to R's eval function
> (https://stat.ethz.ch/R-manual/R-devel/library/base/html/eval.html), this
> would allow us to evaluate dynamically constructed expressions. There are two
> major sub tasks here: the invocation of given function pointers and the
> evaluation of dynamic expressions given as strings. Initially, we would focus
> on the former by allowing call such as {{R = eval(fname, A, B, C)}}. So far
> SystemML does not provide second-order functions which requires explicit
> {{if-else}} conditions for ensemble learning workloads. With this new
> {{eval}} function we could store a list of function names in a frame {{F}}
> and dynamically call them via {{R[i, ] = eval(F[i,1], A, B, C)}}.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
[jira] [Commented] (SYSTEMML-2077) New eval builtin function
[
https://issues.apache.org/jira/browse/SYSTEMML-2077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16373367#comment-16373367
]
Matthias Boehm commented on SYSTEMML-2077:
--
thanks for your interest [~Guobao] - I updated the description to provide some
more details. This task can indeed lay some foundations for SYSTEMML-2083
because both would deal with second-order functions (that take functions as
arguments).
> New eval builtin function
> -
>
> Key: SYSTEMML-2077
> URL: https://issues.apache.org/jira/browse/SYSTEMML-2077
> Project: SystemML
> Issue Type: Sub-task
>Reporter: Matthias Boehm
>Priority: Major
>
> This new eval builtin function aims to provide a concise language construct
> to evaluate dynamic expressions and functions.
> Similar to R's eval function
> (https://stat.ethz.ch/R-manual/R-devel/library/base/html/eval.html), this
> would allow us to evaluate dynamically constructed expressions. There are two
> major sub tasks here: the invocation of given function pointers and the
> evaluation of dynamic expressions given as strings. Initially, we would focus
> on the former by allowing call such as {{R = eval(fname, A, B, C)}}. So far
> SystemML does not provide second-order functions which requires explicit
> {{if-else}} conditions for ensemble learning workloads. With this new
> {{eval}} function we could store a list of function names in a frame {{F}}
> and dynamically call them via {{R[i, ] = eval(F[i,1], A, B, C)}}.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
[jira] [Commented] (SYSTEMML-2077) New eval builtin function
[ https://issues.apache.org/jira/browse/SYSTEMML-2077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16372920#comment-16372920 ] LI Guobao commented on SYSTEMML-2077: - Hello, Can you give me some information about how the function "eval" works in real case? I'd like to take this ticket. Regards, Guobao > New eval builtin function > - > > Key: SYSTEMML-2077 > URL: https://issues.apache.org/jira/browse/SYSTEMML-2077 > Project: SystemML > Issue Type: Sub-task >Reporter: Matthias Boehm >Priority: Major > > This new eval builtin function aims to provide a concise language construct > to evaluate dynamic expressions and functions. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
