I believe that along with the dirty bit, there are some extra bits for each line in the directory that indicate the status of the line--shared, exclusive, modified, etc.
lol
@jellybean No, I think this data still resides in the cache, as it was before. See next slides.
RX
What does it mean by scalable interconnect here?
rajul
@Rx the scale-able interconnect connects all P processors and is used by them to send unicast messages to directory.
I believe that along with the dirty bit, there are some extra bits for each line in the directory that indicate the status of the line--shared, exclusive, modified, etc.
@jellybean No, I think this data still resides in the cache, as it was before. See next slides.
What does it mean by scalable interconnect here?
@Rx the scale-able interconnect connects all P processors and is used by them to send unicast messages to directory.