Cray CRAY-1 - Page 158

Hold
issue
conditions
034 - 037 in process
Exchange in process
Vj reserved
14x
in
process,
unit busy
(VL) + 4 CPs
003
in
process,
unit busy
3 CPs
175
in
process,
unit
busy
(VL) + 4
CPs
Execution time
Instruction issue 1
CP
Vj ready 5 CPs if (VL) ~ 5
Vj ready (VL) CPs if (VL) > 5
Unit ready except for 073 instruction (VL) + 4 CPs
Unit ready for 073 instruction (VL) + 6 CPs
SEecial
cases
k =
o or 4,
V~,1 bit xx =
1
if
(Vj
element xx)
= 0
k = 1 or 5, VM bit xx =
1
if
(Vj
element xx)
"I 0
k
=
2 or 6, V~1
bit xx = 1
if
(Vj
element xx)
is positive
k = 3 or 7, VM
bit xx = 1
if
(Vj
element xx)
is r;egative
2240004
4-72
E