Path MTU Discovery (PMTUD) is widely believed to be unreliable because of firewalls that discard ICMP "Packet Too Big" messages. This paper measures PMTUD behaviour for ...
As part of a NASA HPCC Grand Challenge project, we are designing and implementing a parallel atmospheric chemical tracer model that will be suitable for use in global simulations....
Optimistic synchronization allows concurrent execution of critical sections while performing dynamic conflict detection and recovery. Optimistic synchronization will increase perf...
We have developed an environment, based upon robust, existing, open source software, for tuning applications written using MPI, OpenMP or both. The goal of this effort, which inte...
All Internet-accessible computing systems are currently faced with incessant threats ranging from simple scriptkiddies to highly sophisticated criminal enterprises. In response to...