    Meaning of the column headings for results listings
    	   	  (All data are averages over 5 trials)

Prefetching tests: (results)
-----------------------------

#P         number of processors
swo        prefetch at s=syncs, w=when waiting, o=overlap demand fetch
ld         prefetch lead 
lim        Prefetch limit (0 = no prefetching)
min        prefetch min time
alg        prediction alg and parameter
synch      Synchronization style and parameter
Tot        Total time (seconds)
#syn       Number of synchronizations (sync-procs)
T_synch    Average time spent synchronizing (tics)
Tread      Average time to "read" a chunk (msec)
Twait      Average disk wait time (msec) (30msec ideal)
%Util      Disk utilization (100% = always busy)
Demand     Number of demand fetches
Prefch     Number of prefetches
BufHit     Number of other buffer hits
Unredy     Number of unready buffer hits
Hitwat     Average time spent waiting for unready hits
Pref@      Avg time spent for a call to RF_Prefetch (msec)
Corr       Number of correct predictions
Mist       Number of mistakes
Wast       Number of wasted mistakes
Used       Number of mistakes used
Tnot       Total time spent in prediction notify (msec)
Scan       Number of unready queue scans

"Writing" tests (results -w):
-----------------------------

#P         number of processors
new        file is new (y/n)
bufs       total number of frames
walg       write_style code letter
wss        RU-set size
synch      Synchronization style and parameter
Tot        Total time (seconds)
#syn       Number of synchronizations (sync-procs)
T_synch    Average time spent synchronizing (tics)
Twrit      Average time to "write" a chunk (msec)
Twait      Average disk wait time (msec) (30msec ideal)
%Util      Disk utilization (100% = always busy)
Miss       Number of cache misses
BufHit     Number of other buffer hits
Reads      Number of disk reads (r)
Writes     Number of disk writes (w)
Rereads    Number of disk rereads (w-r-w)
Rewrites   Number of disk rewrites (w-w)
Scan       Number of unready queue scans

