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dash::copy (local range to global destination) not copying the whole range

5

~~~ dash::Array arr(100); if( dash::myid()==0 ) { int buf[100]; std::iota(buf, buf+100, 0); // copy local buffer to global array dash::copy(buf, buf+100, arr.begin()); } arr.barrier(); if( dash::myid()==0 ) { for( auto...

fuerlinger

MatrixTest.SubViewMatrix3Dim fails with invalid IndexSpace in VM

2

When running the testsuite in a local VM (32bit) the test `MatrixTest.SubViewMatrix3Dim` fails for me. I'll append the output and other useful stuff at the end of this description. It...

ddiefenthaler

Pattern and *Spec Concepts Documentation

1

Hi I don't know whether posting this as issue is correct or not but once my doubts are cleared I will close this issue :) I'm doing similar kind of...

preejackie

Adventures in copying a row out of a Matrix

1

I've been trying to copy a row out of a matrix. The good news: it works. The bad news: it works in exactly one use-case and fails for all others....

devreal

DART calls influencing each other [MPICH 3.2]

17

I have some problems with DART calls. Here is a minimum example that results in the last DART call to be non-blocking on Unit 1, but blocking on Unit 0...

stiefn

Investigate deprecated CMake policies

3

I just built DASH using CMake 3.9 and saw a bunch warnings due to enforced `OLD` policies: ``` CMake Deprecation Warning at CMakeLists.txt:12 (cmake_policy): The OLD behavior for policy CMP0007...

devreal

Strange performance differences between access to DASH local memory and locally malloc'd memory

17

When investigating the performance of the DASH Cowichan implementation compared to TBB and Cilk I noticed that, strangely, access to DASH local memory (via `.lbegin()`) appears to be significantly slower...

fuerlinger

clear separation of Dart/DASH and MPI

12

Now, we are implementing a Gaspi runtime in DART, some MPI specific stuff pops up. Like using MPI calls in TestPrinter.h. Also, the cmake options for shared and dynamic windows...

dhinf

Limitation on the size of dynamic allocations

2

The overall size of memory allocatable in DART-MPI through `dart_memalloc` is currently limited to 16MB. The limit is imposed by the size of the window backing these dynamic allocations, which...

devreal

Support for All to All Operations

2

DART should provide operations to support both blocking and nonblocking all-to-all operations. - blocking: `MPI_Alltoall` and `MPI_Alltoallv` - nonblocking: `MPI_Ialltoall` and `MPI_Ialltoallv` Currently the only way to transpose an (N-)Array...

rkowalewski