Lab.work

PROGRESS REPORT (9/1)

민둥 2009. 9. 1. 09:38
■ THIS WEEK  (8/27~9/1)

□ Booksim

* 50% of packet; dest 0, 50%: uniform random
voq throughput never exceeds the no voq result.
i counted the number of time when a vc was full and no flit couln't be sent to the vc.
using voq, many flits need to wait for 0 vc.
when bufsize is infinity, throughput of voq is also low.
because the waiting time at 0 vc is very long. 

□ Phoenix

* degradation of map time
i think that the reason of degradation is because of the disk io time.
for shared memory system, cache miss rate can increases when # of processors increases.
when input size gets bigger, the gradation can become large.
actually, L1 cache miss rate increases after 8 threads.