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@ -128,35 +128,49 @@ Benchmarks run on a 11" Macbook with a 1.4Ghz Intel Core i7:
```#!sh ```#!sh
$ make bench $ make bench
... ...
BenchmarkGet/128B-4 300000 4071 ns/op 31.43 MB/s 608 B/op 7 allocs/op goos: darwin
BenchmarkGet/256B-4 300000 4700 ns/op 54.46 MB/s 992 B/op 7 allocs/op goarch: amd64
BenchmarkGet/512B-4 300000 4915 ns/op 104.17 MB/s 1824 B/op 7 allocs/op pkg: github.com/prologic/bitcask
BenchmarkGet/1K-4 200000 5064 ns/op 202.20 MB/s 3488 B/op 7 allocs/op
BenchmarkGet/2K-4 200000 6276 ns/op 326.31 MB/s 6816 B/op 7 allocs/op
BenchmarkGet/4K-4 200000 8960 ns/op 457.11 MB/s 13984 B/op 7 allocs/op
BenchmarkGet/8K-4 100000 12465 ns/op 657.16 MB/s 27296 B/op 7 allocs/op
BenchmarkGet/16K-4 100000 19233 ns/op 851.84 MB/s 53408 B/op 7 allocs/op
BenchmarkGet/32K-4 50000 33106 ns/op 989.77 MB/s 114848 B/op 7 allocs/op
BenchmarkPut/128B-4 100000 13659 ns/op 9.37 MB/s 409 B/op 6 allocs/op BenchmarkGet/128B-4 300000 3913 ns/op 32.71 MB/s 387 B/op 4 allocs/op
BenchmarkPut/256B-4 100000 14854 ns/op 17.23 MB/s 539 B/op 6 allocs/op BenchmarkGet/128BWithPool-4 300000 4143 ns/op 30.89 MB/s 227 B/op 3 allocs/op
BenchmarkPut/512B-4 100000 20823 ns/op 24.59 MB/s 829 B/op 6 allocs/op BenchmarkGet/256B-4 300000 3919 ns/op 65.31 MB/s 643 B/op 4 allocs/op
BenchmarkPut/1K-4 50000 28086 ns/op 36.46 MB/s 1411 B/op 6 allocs/op BenchmarkGet/256BWithPool-4 300000 4270 ns/op 59.95 MB/s 355 B/op 3 allocs/op
BenchmarkPut/2K-4 30000 40797 ns/op 50.20 MB/s 2574 B/op 6 allocs/op BenchmarkGet/512B-4 300000 4248 ns/op 120.52 MB/s 1187 B/op 4 allocs/op
BenchmarkPut/4K-4 20000 75518 ns/op 54.24 MB/s 5155 B/op 6 allocs/op BenchmarkGet/512BWithPool-4 300000 4676 ns/op 109.48 MB/s 611 B/op 3 allocs/op
BenchmarkPut/8K-4 10000 122544 ns/op 66.85 MB/s 9811 B/op 6 allocs/op BenchmarkGet/1K-4 200000 5248 ns/op 195.10 MB/s 2275 B/op 4 allocs/op
BenchmarkPut/16K-4 10000 201167 ns/op 81.44 MB/s 18851 B/op 6 allocs/op BenchmarkGet/1KWithPool-4 200000 5270 ns/op 194.28 MB/s 1123 B/op 3 allocs/op
BenchmarkPut/32K-4 5000 350850 ns/op 93.40 MB/s 41565 B/op 7 allocs/op BenchmarkGet/2K-4 200000 6229 ns/op 328.74 MB/s 4451 B/op 4 allocs/op
BenchmarkGet/2KWithPool-4 200000 6282 ns/op 325.99 MB/s 2147 B/op 3 allocs/op
BenchmarkGet/4K-4 200000 9027 ns/op 453.74 MB/s 9059 B/op 4 allocs/op
BenchmarkGet/4KWithPool-4 200000 8906 ns/op 459.87 MB/s 4195 B/op 3 allocs/op
BenchmarkGet/8K-4 100000 12024 ns/op 681.28 MB/s 17763 B/op 4 allocs/op
BenchmarkGet/8KWithPool-4 200000 11103 ns/op 737.79 MB/s 8291 B/op 3 allocs/op
BenchmarkGet/16K-4 100000 16844 ns/op 972.65 MB/s 34915 B/op 4 allocs/op
BenchmarkGet/16KWithPool-4 100000 14575 ns/op 1124.10 MB/s 16483 B/op 3 allocs/op
BenchmarkGet/32K-4 50000 27770 ns/op 1179.97 MB/s 73827 B/op 4 allocs/op
BenchmarkGet/32KWithPool-4 100000 24495 ns/op 1337.74 MB/s 32867 B/op 3 allocs/op
BenchmarkScan-4 1000000 1867 ns/op 493 B/op 25 allocs/op BenchmarkPut/128B-4 100000 17492 ns/op 7.32 MB/s 441 B/op 6 allocs/op
BenchmarkPut/256B-4 100000 17234 ns/op 14.85 MB/s 571 B/op 6 allocs/op
BenchmarkPut/512B-4 100000 22837 ns/op 22.42 MB/s 861 B/op 6 allocs/op
BenchmarkPut/1K-4 50000 30333 ns/op 33.76 MB/s 1443 B/op 6 allocs/op
BenchmarkPut/2K-4 30000 45304 ns/op 45.21 MB/s 2606 B/op 6 allocs/op
BenchmarkPut/4K-4 20000 83953 ns/op 48.79 MB/s 5187 B/op 6 allocs/op
BenchmarkPut/8K-4 10000 142142 ns/op 57.63 MB/s 9845 B/op 6 allocs/op
BenchmarkPut/16K-4 5000 206722 ns/op 79.26 MB/s 18884 B/op 6 allocs/op
BenchmarkPut/32K-4 5000 361108 ns/op 90.74 MB/s 41582 B/op 7 allocs/op
BenchmarkScan-4 1000000 1679 ns/op 408 B/op 16 allocs/op
PASS
``` ```
For 128B values: For 128B values:
* ~400,000 reads/sec * ~200,000 reads/sec
* ~130,000 writes/sec * ~50,000 writes/sec
The full benchmark above shows linear performance as you increase key/value sizes. The full benchmark above shows linear performance as you increase key/value sizes. Memory pooling starts to become advantageous for larger values.
## License ## License