D:\jscience-1.0>java -cp javolution.jar -jar jscience.jar perf JScience - Java(TM) Tools and Libraries for the Advancement of Sciences Version 1.0.3 January 8 2005 (http://jscience.org) Benchmark... Initialization: 0.33 s Numerics Operations Float64 add: 0.070 µs Complex add: 0.068 µs Quantity (mass) add: 0.124 µs Float64 multiply: 0.067 µs Complex multiply: 0.078 µs Quantity (mass) multiply: 0.143 µs LargeInteger (PoolContext) versus BigInteger BigInteger (1024 bits) add: 6.08 µs LargeInteger (1024 bits) add: 0.79 µs More performance analysis in future versions...