Systems Reference Library
System/360 Instruction Timing Information
This bulletin contains instruction timing in-
formation for all models of the System/360.
For full description of each instruction,
refer to IBM 8ystem/360 Principles of
Operation, Form A22-6821.
SySTEM/360 INSTRUCTION TIMING INFORMATION
These instruction time tables provide average in- field) is assumed to be greater than, or equal
struction times, in microseconds, for all models of to, the length of the second operand (i. e. , the
the IBM System/360. All times for instructionE:1 source field).
that reference storage include the time required to
perform single indexing by one general register as 2. For decimal-add and decimal-subtract instruc-
referenced in the instruction (i. e., B 1- 0). For tions, recomplementati|