More specifically, because CARLsim uses a GPU to run several neural network
simulations in parallel, we needed a way to evaluate groups of individuals
together with a single call to an external simulator.

So it involves a custom "grouped evaluator" class and a "grouped problem
form."

On Wed, Oct 10, 2018, 8:49 AM Eric 'Siggy' Scott <[log in to unmask]> wrote:

> Krichmar*!
>
> On Wed, Oct 10, 2018, 8:48 AM Eric 'Siggy' Scott <[log in to unmask]> wrote:
>
>> Sean,
>>
>> It's an ECJ problem class and assorted helper classes that I wrote a
>> couple years ago for use with CARLsim while I was on a project with Giorgio
>> and Jeff Kirchmar.
>>
>> Glad to hear someone will be dusting it off!
>>
>> Siggy
>>
>> On Wed, Oct 10, 2018, 7:20 AM Sean Luke <[log in to unmask]> wrote:
>>
>>> Wait, explain CARLSim's ECJ interface.
>>>
>>> Sean
>>>
>>> > On Oct 10, 2018, at 3:33 AM, Vladislav Sekulic <
>>> [log in to unmask]> wrote:
>>> >
>>> > Hi all,
>>> >
>>> > Thank you for the prompt assistance! I've disabled the tests as per
>>> Siggy's suggestion and it all works fine now!
>>> >
>>> > I've been slow to follow up due to lab demands but I'm looking forward
>>> to start using ECJ! (For reference, I'll be using the CARLsim simulator
>>> along with its ECJ interface for parameter-tuning.)
>>> >
>>> > Thanks again!
>>> > Vlad
>>> >
>>> >
>>> > On Fri, Oct 5, 2018 at 5:07 AM Eric 'Siggy' Scott <[log in to unmask]>
>>> wrote:
>>> > Vlad,
>>> >
>>> > You're right—the test instrumentation plugin crashes on a fresh Ubuntu
>>> install.  I'll try and fix this when I get a chance.
>>> >
>>> > For now, if you want to use Maven, you can get around it by skipping
>>> tests:
>>> >
>>> > mvn clean package -DskipTests
>>> >
>>> > Everything else seems to work smoothly on Ubuntu.
>>> >
>>> > Thanks,
>>> > Siggy
>>> >
>>> > On Thu, Oct 4, 2018 at 10:07 AM Eric 'Siggy' Scott <[log in to unmask]>
>>> wrote:
>>> > Hi Vlad,
>>> >
>>> > I'll set up a Xubuntu VM this afternoon and see if I can reproduce the
>>> problem!
>>> >
>>> > We should really be using target 1.6 anyway nowadays, so that's an
>>> easy fix—but I'll see if I can figure out what is causing the remaining
>>> "100 errors"!
>>> >
>>> > Thanks,
>>> > Siggy
>>> >
>>> > On Wed, Oct 3, 2018 at 4:45 AM Vladislav Sekulic <
>>> [log in to unmask]> wrote:
>>> > Hello!
>>> >
>>> > I am attempting to install ECJ on Ubuntu 18.04 and am encountering a
>>> few problems. I'm using the version checked out from github (26, I believe).
>>> >
>>> > When installing via the Maven method ("mvn clean package") the install
>>> procedure fails at the tests stage, with a
>>> java.lang.reflect.InvocationTargetException error, caused by
>>> "java.lang.RuntimeException: Class java/util/UUID could not be
>>> instrumented." and "java.lang.NoSuchFieldException: $jacocoAcces".
>>> >
>>> > I then tried installing using the Makefile, without the gui:
>>> >
>>> > ---
>>> > $ make
>>> > This builds the code except for gui
>>> > For other Makefile options, type: make help
>>> >
>>> > mkdir -p target/classes
>>> > javac -target 1.5 -source 1.5 -g -Xlint:deprecation -d target/classes
>>> src/main/java//ec/*.java
>>> >
>>> > ****SNIP****
>>> >
>>> > warning: [options] bootstrap class path not set in conjunction with
>>> -source 5
>>> > error: Source option 5 is no longer supported. Use 6 or later.
>>> > error: Target option 1.5 is no longer supported. Use 1.6 or later.
>>> > Makefile:115: recipe for target 'base' failed
>>> > make: *** [base] Error 2
>>> > ---
>>> >
>>> > For reference, java -version gives me openjdk 10.0.2, and mvn -version
>>> gives 3.5.2. I tried the lazy solution of changing the -target and -source
>>> flags to 1.6 in the Makefile, but got 100 errors, so no go there. :)
>>> >
>>> > I may try to install an older JDK 5 but before going down that path I
>>> thought I'd ask first in case I'm missing something very basic. Let me know
>>> if I can provide any further troubleshooting!
>>> >
>>> > Thank you,
>>> > Vlad Sekulic
>>> > RIKEN Center for Brain Science
>>> >
>>> >
>>> > --
>>> >
>>> > Doctoral Candidate, George Mason University
>>> > Web Director, Journal of Mason Graduate Research
>>> > http://mason.gmu.edu/~escott8/
>>> >
>>> >
>>> > --
>>> >
>>> > Doctoral Candidate, George Mason University
>>> > Web Director, Journal of Mason Graduate Research
>>> > http://mason.gmu.edu/~escott8/
>>>
>>