HPC at Dell

High Performance Computing

High Performance Computing
A discussion venue for all things high performance computing (HPC), supercomputing, and the technologies that enables scientific research and discovery.
Results for performance
  • Comparing Different PV MD1200 Connection Topologies

    The Dell PowerVault MD1200/1220 arrays provide a convenient way to expand the PowerEdge servers to gain access to more drives. The MD1200 and MD1220 models use the 6Gb SAS technology, and they can be daisy chained up to 4 units. This allows a maximum of 8 arrays to be connected to a single adapter since...
  • A Comparison of Ext2, Ext3 and Ext4 Performance

    The goal of this post is to study the sequential read and write performance that one can get from a RAID array using various local file systems available in Linux, specifically the ext2, ext3 and ext4 file systems. Ext3 file system adds journal feature to ext2 for better reliability. Ext4 is an incremental...
  • 04-06-2009 - Introduction to Nehalem-EP

    I think you’ve heard by now that Intel has released a new processor, the Xeon 5500 (code-named Nehalem-EP). While the consumer version of this processor has been released as the Core i7, this is server version of the processor. It is a sea change for Intel processors for a number of reasons that...
  • 02-19-2009 - File System Aging – What you Don’t Know

    We all get old and as a result we slow down. What many people don’t know is that as file systems age, they get slower as well. Just as people are different, so are file systems. Some age gracefully and still perform well, while others age quickly and performance tanks very fast. This applies to...