Performance tests

To compile:

mvn package

Example of running it:

java -jar target/systemds-3.2.0-SNAPSHOT-perf.jar 1

example result of the above job:

Running Steam Compression Test
      StreamCompress  Repetitions: 100 GenMatrices rand(10000, 100, 32, 1.0) Seed: 42
               In Memory Block Size,    0.010+-  0.010 ms, 8000152.00
                Write Blocks Stream,   16.272+-  4.027 ms, 8000009.00
               Write Stream Deflate,  444.453+- 37.761 ms, 1037452.78
        Write Stream Deflate Speedy,  276.331+- 24.461 ms, 1362222.20
 In Memory Compress Individual (CI),   29.070+-  2.083 ms, 1041744.00
                    Write CI Stream,   31.607+-  1.722 ms, 1027621.00
            Write CI Deflate Stream,   63.826+-  1.693 ms,  655801.16
     Write CI Deflate Stream Speedy,   54.482+-  1.266 ms,  678390.92