D. Glossary

The following terms abbreviations are used in the GM documentation and source code. Some of these abbreviations are obvious to speakers of English, but are included for speakers of other languages. This section does not include architecture-specific abbreviations used in the architecture-specific GM driver code, as those are documented by the architecture's vendor and are not of interest to most GM developers.

accum

accumulator

addr

address

alloc

allocate

arch(s)

architecture(s)

buf

buff

buffer

cnt

count

create

allocate and then initialize

destroy

finalize and then free

dma

direct memory access

hash

hash table

hp

host pointer (a pointer of the appropriate size for the host architecture in question)

insn(s)

instruction(s)

intr

interrupt

KVMA

kernel virtual memory address

lookaside

lookaside list

LSB(s)

least significant byte(s)

lsb('s)

least significant bit(s)

MAC

Media Access Control. This is a commonly referred to sublayer of the datalink layer in the ISO network reference model.

MAC Address

A 6-byte address unique to a Myrinet interface. It is equivalent to an ethernet address.

minor

device minor number

num

number

phys

physical

pre

prefetch or precompute

PTE

page table entry

recv

receive

ref

reference

seg

segment

sema

semaphore

UVMA

user virtual memory address

virt

virtual

VM

virtual memory

VMA

virtual memory address

zalloc

allocate and clear