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Questions tagged [compss]

COMP Superscalar (COMPSs) is a programming model which aims to ease the development of applications for distributed infrastructures, such as Clusters, Grids and Clouds. COMP Superscalar also features a Runtime system that exploits the inherent parallelism of applications at execution time.

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Can't run COMPSs application. ClassNotFoundException

I am learning COMPSs. Until now, everything has been working really well, but I only executed the examples given in the manual. Now that I want to run my own test application, I can't get it to work. I must be missing something, but I can't see what…
Victor Anton
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All jobs failing in C COMPSs execution

I have downloaded COMPSs 1.4 and some test programs from http://www.bsc.es/computer-sciences/grid-computing/comp-superscalar/downloads-and-documentation and I am trying to test them. Java executions went fine; however, I amb having problems with…
Adri A.P.
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COMPSs Monitor doesn't show any application

I am running with COMPSs the Increment application shown in the COMPSs Sample Application Manual. I have added the -m flag to enable the monitoring feature: $ runcompss -m --debug increment.Increment 5 1 2 3 The application runs and finishes…
Cristian Ramon-Cortes
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Shared disks with COMPSs

I have a cluster which has a shared disk between the different nodes. How can I configure COMP superscalar to take into account this shared disk in order to avoid file transfers?
Jorge Ejarque
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Autoreconf failing when installing (py)COMPSs in a clusters

I tried to install pyCOMPSs (v1.4) on a Cluster system using the installation script for Supercomputers. The script terminates with the following error: libtool: link: ranlib .libs/libcbindings.a libtool: link: ( cd ".libs" && rm -f…
user6634308
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Desynchronized traces in COMPSs

I am generating traces of my executions using COMPSs 1.4. I have noticed that some tasks with data dependencies among them overlap in the tracefile. This shouldn't not be possible. I also checked the dependencies graph and they seem to be correct. I…
COMP Superscalar
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COMPSs - Nodes already filled error

After submitting a COMPSs application I have received the following error message and the application is not executed. MPI_CMD=mpirun -timestamp-output -n 1 -H…
J. Conejero
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File not found in task defined in COMPSs

I have implemented an application with COMP Superscalar and I got task failed. Looking at the standard error file (job1_NEW.err) file I got a File Not Found exception but the file exists in my computer. Any idea what could be the error? EDIT: Added…
Jorge Ejarque
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File Not found exception in the master of a COMPSs application

I am running an application implemented with COMPSs and I am getting the following error in the application standard output. ... [(2016-07-27 11:47:34,255) API] - No more tasks for app 1 [ERRMGR] - WARNING: Error master local copying…
Jorge Ejarque
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Strange error in a PyCOMPSs application: Script without last "y" not found

I am trying to run one of the example pyCOMPSs application with version 1.4 and I am getting the following error, which says that the python script without the final "y" can not be found. Do you have any idea what could be the…
user6634308
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SCP failure running pyCOMPSs application

I have an error running an application implemented with pyCOMPSs. The application was working well but I have done some changes in the application and it has stopped to work. This is the stack I have got from the application: --- START OF NESTED…
Jorge Ejarque
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Error building a C/C++ application with COMPSs: Hardcoded path

I am trying to build a COMPSs application developed with the C/C++ binding. When I am building the application, I got the following error. Do you have an idea about how can I solve this issue? xxxx:~/xxx/c/increment> buildapp…
user6634308
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Fixing COMPSs tracing error: PAPI_read failed for thread X evtset X (papi_hwc.c:*)

I am trying to run COMPSs with the tracing system (extrae) activated. I first had an installation issue but I solved it thanks this question: How to fix libpapi.so.* cannot open shared object file when running (py)COMPSs with tracing? However, now I…
Cristian Ramon-Cortes
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How to fix libpapi.so.* cannot open shared object file when running (py)COMPSs with tracing?

When I try to run some COMPSs application with the tracing system activated I get the following error: libpapi.so.5.3.0.0 cannot open shared object file I am using ubuntu and I have installed COMPSs from the packages with apt-get. To launch the…
Pol Alvarez Vecino
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How to pass properties to Java when using COMPSs

I have a java application which is launched with a settings file passed as a property as follows: java -DpropertiesFile=/path/to/properties/settings.properties -jar /path/to/jar/file.jar I would like to know how/if I can pass this properties file…
Pol Alvarez Vecino
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