The JSR 107 set a tentative performance goal for a
cache at <2x a Hastable.  

JCS, using the LRUMemoryCache, is exceeding this
performance goal.  Here are aome results from a few
simple tests:

------------------------------------------
Finished 20 loops of 50000 gets and puts

Put average for JCS       = 235
Put average for Hashtable = 157
JCS puts took 1.4968153 times the Hashtable, the goal
is <2x

Get average for JCS       = 132
Get average for Hashtable = 99
JCS gets took 1.3333334 times the Hashtable, the goal
is <2x


------------------------------------------
Finished 20 loops of 50000 gets and puts

Put average for JCS       = 247
Put average for Hashtable = 167
JCS puts took 1.4790419 times the Hashtable, the goal
is <2x

Get average for JCS       = 131
Get average for Hashtable = 100
JCS gets took 1.31 times the Hashtable, the goal is
<2x


------------------------------------------
Finished 20 loops of 50000 gets and puts

Put average for JCS       = 242
Put average for Hashtable = 170
JCS puts took 1.4235294 times the Hashtable, the goal
is <2x

Get average for JCS       = 138
Get average for Hashtable = 102
JCS gets took 1.3529412 times the Hashtable, the goal
is <2x

------------------------------------------
Finished 20 loops of 50000 gets and puts

Put average for JCS       = 242
Put average for Hashtable = 164
JCS puts took 1.4756098 times the Hashtable, the goal
is <2x

Get average for JCS       = 135
Get average for Hashtable = 100
JCS gets took 1.35 times the Hashtable, the goal is
<2x



                
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