For those interesting in financial apps, I have released ‘fixed' at https://github.com/robaho/fixed <https://github.com/robaho/fixed> a high performance fixed-point math library primarily designed for to work with currencies.
The benchmarks: (Decimal is the shopspring library, big Int/Float are the stdlib) BenchmarkAddFixed-8 2000000000 0.83 ns/op 0 B/op 0 allocs/op BenchmarkAddDecimal-8 3000000 457 ns/op 400 B/op 10 allocs/op BenchmarkAddBigInt-8 100000000 19.2 ns/op 0 B/op 0 allocs/op BenchmarkAddBigFloat-8 20000000 110 ns/op 48 B/op 1 allocs/op BenchmarkMulFixed-8 100000000 12.4 ns/op 0 B/op 0 allocs/op BenchmarkMulDecimal-8 20000000 94.2 ns/op 80 B/op 2 allocs/op BenchmarkMulBigInt-8 100000000 22.0 ns/op 0 B/op 0 allocs/op BenchmarkMulBigFloat-8 30000000 50.0 ns/op 0 B/op 0 allocs/op BenchmarkDivFixed-8 100000000 19.3 ns/op 0 B/op 0 allocs/op BenchmarkDivDecimal-8 1000000 1152 ns/op 928 B/op 22 allocs/op BenchmarkDivBigInt-8 20000000 68.4 ns/op 48 B/op 1 allocs/op BenchmarkDivBigFloat-8 10000000 151 ns/op 64 B/op 2 allocs/op BenchmarkCmpFixed-8 2000000000 0.28 ns/op 0 B/op 0 allocs/op BenchmarkCmpDecimal-8 100000000 10.8 ns/op 0 B/op 0 allocs/op BenchmarkCmpBigInt-8 200000000 8.37 ns/op 0 B/op 0 allocs/op BenchmarkCmpBigFloat-8 200000000 7.74 ns/op 0 B/op 0 allocs/op BenchmarkStringFixed-8 20000000 99.0 ns/op 16 B/op 1 allocs/op BenchmarkStringDecimal-8 5000000 326 ns/op 144 B/op 5 allocs/op BenchmarkStringBigInt-8 10000000 209 ns/op 80 B/op 3 allocs/op BenchmarkStringBigFloat-8 3000000 571 ns/op 272 B/op 8 allocs/op -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
