EVALUATION BENCHMARKS:
Arithmetic
  '1 + 2'
     5000 loops, avg:  209 us, best:  187 us, median:  193 us per loop
  '5 * 3'
     5000 loops, avg:  215 us, best:  191 us, median:  196 us per loop

DensityPlot
  'DensityPlot[x + y^2, {x, -3, 3}, {y, -2, 2}]'
        5 loops, avg:  351 ms, best:  333 ms, median:  344 ms per loop

Expand
  'Expand[(a1+a2)^200]'
        5 loops, avg:  459 ms, best:  409 ms, median:  421 ms per loop
  'Expand[(a1+a2+a3)^25]'
        5 loops, avg: 1.02 s , best:  938 ms, median: 1.01 s  per loop
  'Expand[(a1+a2+a3+a4+a5+a6+a7)^3]'
       10 loops, avg:  121 ms, best:  107 ms, median:  113 ms per loop

Matrix
  'RandomInteger[{0,1}, {10,10}] . RandomInteger[{0,1}, {10,10}]'
        5 loops, avg:  296 ms, best:  289 ms, median:  295 ms per loop
  'RandomInteger[{0,10}, {10,10}] + RandomInteger[{0,10}, {10,10}]'
      100 loops, avg: 34.3 ms, best: 31.5 ms, median: 32.1 ms per loop

Plot
  'Plot[0, {x, -3, 3}]'
      100 loops, avg: 71.4 ms, best: 66.3 ms, median: 68.3 ms per loop
  'Plot[x^2 + x + 1, {x, -3, 3}]'
        5 loops, avg:  504 ms, best:  484 ms, median:  499 ms per loop
  'Plot[Sin[Cos[x^2]], {x, -3, 3}]'
        5 loops, avg: 1.57 s , best: 1.53 s , median: 1.58 s  per loop
  'Plot[Sin[100 x], {x, -3, 3}]'
        5 loops, avg: 1.04 s , best:    1 s , median: 1.04 s  per loop

Plot3D
  'Plot3D[0, {x, -1, 1}, {y, -1, 1}]'
       10 loops, avg:  171 ms, best:  153 ms, median:  159 ms per loop
  'Plot3D[x + y^2, {x, -3, 3}, {y, -2, 2}]'
        5 loops, avg:  483 ms, best:  440 ms, median:  463 ms per loop
  'Plot3D[Sin[x + y^2], {x, -3, 3}, {y, -3, 3}]'
        5 loops, avg: 1.44 s , best:  1.4 s , median: 1.44 s  per loop
  'Plot3D[Sin[100 x + 100 y ^ 2], {x, 0, 1}, {y, 0, 1}]'
        5 loops, avg: 1.42 s , best: 1.39 s , median: 1.43 s  per loop

Random
  'RandomInteger[{-100, 100}, 100]'
     1000 loops, avg: 3.39 ms, best: 3.03 ms, median: 3.21 ms per loop
  'RandomInteger[10, {10, 10}]'
     1000 loops, avg: 3.95 ms, best: 3.59 ms, median:  3.8 ms per loop
  'RandomInteger[{0,1}, {5, 5, 5}]'
     1000 loops, avg: 5.29 ms, best:  4.9 ms, median: 5.03 ms per loop
  'RandomReal[1, 100]'
     1000 loops, avg: 3.81 ms, best: 3.42 ms, median: 3.61 ms per loop
  'RandomReal[{-1, 1}, 100]'
     1000 loops, avg: 3.61 ms, best: 3.22 ms, median: 3.38 ms per loop
  'RandomComplex[2 + I, 50]'
     1000 loops, avg: 2.88 ms, best: 2.59 ms, median: 2.71 ms per loop
  'RandomComplex[{-1 - I, 1 + I}, {10, 10}]'
     1000 loops, avg: 5.74 ms, best: 5.07 ms, median: 5.38 ms per loop

Trig
  'Sin[RandomReal[]]'
     1000 loops, avg: 1.34 ms, best: 1.24 ms, median: 1.29 ms per loop
  'ArcTan[RandomReal[]]'
     1000 loops, avg: 1.18 ms, best: 1.08 ms, median: 1.13 ms per loop

PARSING BENCHMARKS:
  '1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+2...'
     1000 loops, avg: 9.26 ms, best: 8.05 ms, median: 8.43 ms per loop
  '1;2;3;4;5;6;7;8;9;10;11;12;13;14;15;16;17;18;19;20;21;22;23;24;25;26;2...'
     1000 loops, avg: 8.98 ms, best: 7.66 ms, median: 8.12 ms per loop
  '1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/2...'
      100 loops, avg: 19.4 ms, best: 14.1 ms, median: 15.1 ms per loop
  '1^2^3^4^5^6^7^8^9^10^11^12^13^14^15^16^17^18^19^20^21^22^23^24^25^26^2...'
      100 loops, avg: 14.2 ms, best: 10.4 ms, median:   11 ms per loop
  '! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ...'
     1000 loops, avg: 7.87 ms, best: 6.31 ms, median:  6.6 ms per loop
  '!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...'
     1000 loops, avg: 6.26 ms, best: 4.74 ms, median: 5.02 ms per loop
  'expr& & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & ...'
     1000 loops, avg: 7.22 ms, best: 5.59 ms, median: 5.92 ms per loop
  'Sin[Sin[Sin[Sin[Sin[Sin[Sin[Sin[Sin[Sin[Sin[Sin[Sin[Sin[Sin[Sin[Sin[Si...'
      100 loops, avg: 17.4 ms, best: 15.4 ms, median: 15.9 ms per loop
  'http://www.cs.uiowa.edu/~sriram/Combinatorica/NewCombinatorica.m'
        5 loops, avg: 1.68 s , best: 1.63 s , median: 1.68 s  per loop