Banchmark results for testing equality operations:
eq.scala: Base case, use eq equality only
eqeq.scala: Test case, use == instead of eq.
All tests run on Thinkpad T400, 1.6.0_12 client VM.
Test command: java eq 5 5
              java eqeq 5 5
eq.scala, no -optimise
eq$		109		78		79		63		63
eq$		94		63		63		78		78
eq$		94		62		62		62		78
eq$		94		78		78		78		78
eq$		94		78		78		78		78
eq.scala, with -optimise
eq$		421		63		62		47		63
eq$		406		62		62		63		62
eq$		407		62		62		78		63
eq$		406		63		63		62		62
eq$		407		62		62		63		47
eqeq.scala with version of BoxesRuntime as of Nov 13th, no -optimise
eqeq$		562		516		516		516		515
eqeq$		547		515		515		531		532
eqeq$		532		516		516		515		516
eqeq$		547		531		531		516		531
eqeq$		547		515		515		516		516
eqeq.scala with version of BoxesRuntime as of Nov 13th, with -optimise
eqeq$		1031		390		391		391		391
eqeq$		1031		391		391		391		390
eqeq$		1031		390		390		391		391
eqeq$		1031		406		407		391		390
eqeq$		1031		390		390		391		391
eqeq.scala with 1st optimized of Nov 14th, no -optimise
eqeq$		484		421		438		438		437
eqeq$		484		438		437		437		438
eqeq$		469		437		453		454		438
eqeq$		468		437		438		468		438
eqeq$		485		437		437		422		438
eqeq.scala with 1st optimized of Nov 14th, with -optimise
eqeq$		1016		375		391		375		375
eqeq$		1016		375		391		390		375
eqeq$		1016		390		391		375		375
eqeq$		1015		375		391		390		375
eqeq$		1016		390		375		375		375