Timo Bingmann

Make communication profiles like MPI tracers to find load balancing issues.

Only CatStream has GetReaders() to access independent readers. This is however not what CatStream is for, it is to concatenate Streams. Make a "regular" Stream class.

Create Performance Regression Tests

3

No idea how that is done.

For completely bizarre reasons, the fork()/exec()/malloc() system of OpenMPI makes the compressed reader fail.