Terms and Definitions


For the purposes of this document the following terms and definitions apply.

Term Definition
Vector Engine (VE) The core part of the SX-Aurora TSUBASA, on which applications are executed. A VE is implemented as a PCI Express card and attached to an x86/Linux server.
Vector Host (VH) A server to which VEs are attached, in other words, a host computer equipped with VEs.
Scalar Host A server in scalar clusters.
Host A VH, a VE or a scalar host.
Vector Process MPI process on VE.
Scalar Process MPI process on VH or Scalar Host.
NQSV A job scheduler for the SX-Aurora TSUBASA.
NQSV request execution Program execution using NQSV.
VE number An identification number of a VE. VE numbers of VEs attached to a VH are consecutive integer values starting at 0.
VH name The hostname of a VH, which is a host computer.
logical VE number An identification number of a VE in the NQSV request execution. Logical VE numbers are consecutive integer values starting at 0.
logical VH number An identification number of a VH in the NQSV request execution. Logical VH numbers are consecutive integer values starting at 0.
MPI daemon A process that creates and manages MPI processes on each VH.

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