Graphics Programs Reference
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End of requests
from neighbours
p
loc rdy
k
p
ext req 1
Requests from
neighbours
t
start exec
p
not ext req
p
ext req 2
p
not exec
p
exec
t
start req 1
t
start req 2
T
loc ex
p
req exe 2
p
req exe 1
p
ext acc
T
end 2
T
end 1
End of
requests
Requests to
neighbours
t
ext acc 1
t
ext acc 2
Figure 11.6: GSPN model of the behaviour of a processor in the case of
non-preemptive interaction and multitasking
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