Glossary

0 a b c d e f g h i j k l m n o p q r s t u v w x y z

0

a

b

Belt – provides the functionality of general purpose registers
Belt Position/Belt Location – the read only data source for machine operations
Bundle – a collection of instructions that get fetched from memory together

c

d

e

EBB – Extended Basic Block
Exit – a point where the instruction stream can leave the EBB

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g

h

i

Implicit Zero - uninitialized memory loads are implicitly zero
Instruction – a collection of operations that get executed together
Instruction Stream – a sequence of instructions, the Mill has 2 working in parallel

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l

m

Metadata – tags attached to belt slots that describe the data in it

n

None – undefined data in a slot that is silently ignored by operations
NaR – Not a Result, undefined data that traps when used in certain operations

o

Operation – the most basic semantically defined hardware unit of execution

p

Phase - sequenced execution of different operations within one instruction
PLB – Protection Lookaside Buffer
Portal – a cross turf call destination
Protection Region – specified continuous memory region with attached permissions

q

r

Replay - the way the hardware restores machine state after being interrupted

s

Scratchpad – Temporary buffer for operands from the belt
SAS – Single Address Space
Service – a stateful call interface that can cross protection barriers
Specializer – turns general mill assembly into hardware specific machine instructions
Spiller – securely manages temporary memory used by certain operations in hardware
Stacklet – hardware managed memory line used in fragmented stacks

t

Memory#Address_TranslationTLB – Translation Lookaside Buffer
Turf – memory protection domain on the Mill, a collection of regions

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v

w

x

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