Figure 4. I/O rates for all PEs accessing a single file using
CRAY global file feature. The direct access with record number
reaches about 110MB/s on 32 and 64 PEs, whereas the sequential
access with set file position remain at 10MB/s range. Each PE
has a fixed 32MB portion of the file while the global file size
increases accordingly as number of PEs increases. File is
striped over 16 disk partitions.