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SM Nodes¶

We have 11 IBM System X3755 M3 nodes for high memory jobs, this queue is restricted to members of Queen Mary University of London. This tends to be a busy queue, with longer wait times than the dn nodes.

SM	IBM System X3755 M3
Count	11
Processor	4 x 12 Core AMD Opteron 6234 (Bulldozer)
Cores/Node	48
RAM	512GB
TMP Size	1.9TB
Interconnect	10Gb Ethernet

Notes¶

On a core-by-core comparison, a dn node core is faster than an sm node core. Avoid excluding your jobs from faster nodes due to restrictive configuration options (too much memory requested vs memory used, specifying a specific node_type). If your jobs regularly require large memory requirements, consider optimisation or splitting the job into smaller components.
sm nodes also have the largest local temporary folder space. Using tmpdir rather than central storage can result in considerable performance improvements.