array_prepend.md

Darwin x64 - 13.3.0

node	memory	cpu
v0.10.29	8.59 GB	Intel(R) Core(TM) i5-2500S CPU @ 2.70GHz

Benchmark Results

unshift	2,698,743 ops/sec ±13.92% (33 runs sampled)
prepend fn	1,103,719 ops/sec ±13.48% (33 runs sampled)
unshift no mutate	2,404,988 ops/sec ±11.94% (44 runs sampled)

Notes:

• Fastest is unshift,unshift no mutate

Linux x64 - 3.8.4-1-ARCH

node	memory	cpu
v0.10.30	519 MB	QEMU Virtual CPU version 1.0

Benchmark Results

unshift	235,869 ops/sec ±1.32% (10 runs sampled)
prepend fn	100,669 ops/sec ±18.93% (10 runs sampled)
unshift no mutate	202,254 ops/sec ±7.51% (60 runs sampled)

Notes:

• Fastest is unshift,unshift no mutate

Linux x64 - 3.13.0-34-generic

node	memory	cpu
v0.10.29	8.30 GB	Intel(R) Core(TM) i5-4200M CPU @ 2.50GHz

Benchmark Results

unshift	1,671,869 ops/sec ±17.60% (26 runs sampled)
prepend fn	679,464 ops/sec ±16.11% (28 runs sampled)
unshift no mutate	1,178,501 ops/sec ±13.46% (32 runs sampled)

Notes:

• Fastest is unshift

Darwin x64 - 13.2.0

node	memory	cpu
v0.11.13	4.29 GB	Intel(R) Core(TM) i7-3615QM CPU @ 2.30GHz

Benchmark Results

unshift	2,553,725 ops/sec ±9.18% (42 runs sampled)
prepend fn	2,350,615 ops/sec ±9.03% (43 runs sampled)
unshift no mutate	1,901,669 ops/sec ±7.44% (49 runs sampled)

Notes:

• Fastest is unshift,prepend fn

Darwin x64 - 13.3.0

node	memory	cpu
v0.11.13	8.59 GB	Intel(R) Core(TM) i5-2500S CPU @ 2.70GHz

Benchmark Results

unshift	1,778,765 ops/sec ±12.41% (25 runs sampled)
prepend fn	1,593,738 ops/sec ±12.07% (28 runs sampled)
unshift no mutate	1,404,986 ops/sec ±11.01% (37 runs sampled)

Notes:

• Fastest is unshift,prepend fn

Darwin x64 - 13.3.0

node	memory	cpu
v0.10.31	8.59 GB	Intel(R) Core(TM) i5-2500S CPU @ 2.70GHz

Benchmark Results

unshift	2,156,574 ops/sec ±18.27% (26 runs sampled)
prepend fn	949,547 ops/sec ±14.34% (27 runs sampled)
unshift no mutate	1,910,564 ops/sec ±16.14% (31 runs sampled)

Notes:

• Fastest is unshift,unshift no mutate