Distributed out-of-memory NMF on CPU/GPU architectures

Compiling for Distributed Memory Architectures

Performance Modeling of Distributed Memory Architectures

We provide performance models for several primitive operations on data structures distributed over memory units interconnected by a Boolean cube network. In particular, we model single source, and multiple source concurrent broadcasting or reduction, concurrent gather and scatter operations, shifts along several axes of multi-dimensional arrays, and emulation of butterry networks. We also show ...

Performance Modeling of Multithreaded Distributed Memory Architectures

In multithreaded distributed memory architectures, long{ latency memory operations and synchronization delays are tolerated by suspending the current thread and switching to another thread, which is executed concurrently with the long{latency operation of the suspended thread. Timed Petri nets are used to model several multithreaded architectures at the instruction and thread levels. Model eval...

Parallel rendering of volumetric data set on distributed-memory architectures

A solution is proposed to the problem of interactive visualization and rendering of volume data. Designed for parallel distributed memory MIMD architectures, the volume rendering system is based on the ray tracing (RT) visualization technique, the Sticks representation scheme (a data structure exploiting data coherence for the compression of classified datasets), the use of a slice-partitioning...

Computation of Dendrites on Parallel Distributed Memory Architectures

A code for simulating the solidi cation of a pure material from its undercooled melt based on a phase eld approach has been written for parallel distributed memory architectures using MPI. The numerical scheme is based on nite di erences and results in large sparse non-linear systems which are solved by a backtracking line search modi cation of Newton's method combined with GMRES. Experiments c...