Benchmark of Javascript Immutability Libraries

This repo contains benchmarks that compare performance of a set of javascript immutability libraries.
Currently included libraries:

Running locally

Below you can find charts of the results after 5000000 cycles executed on a MacBook Pro with i7@2.3GHz, 16GB RAM@1600MHz and Node.js v6.2.2.

Benchmark	1000	5000	10000	50000	100000	500000	1000000	5000000
[get] Object Native	0	0	0	1	0	1	0	3
[get] Object Seamless-immutable	0	0	0	1	5	6	8	28
[get] Object Immutable.js	2	1	1	8	2	8	24	33
[get] Object Mori.js	2	3	4	10	15	28	41	135
[get] Object Crio	0	0	0	1	1	2	5	25
[get] Object Immer	1	0	1	1	0	0	1	3

Benchmark	1000	5000	10000	50000	100000	500000	1000000	5000000
[get] Array Native	0	0	2	2	1	5	9	46
[get] Array Seamless-immutable.js	0	1	0	3	2	8	16	68
[get] Array Immutable.js	1	1	2	3	2	8	15	73
[get] Array Mori.js	1	5	4	6	17	30	45	201
[get] Array Crio	1	0	0	3	1	6	13	65
[get] Array Immer	0	0	1	1	1	5	10	48

Benchmark	1000	5000	10000	50000	100000	500000	1000000	5000000
[get-in] Object Native	0	1	0	2	0	0	0	3
[get-in] Object Seamless-immutable	1	0	0	1	5	4	9	44
[get-in] Object Immutable.js	1	3	2	11	9	44	76	344
[get-in] Object Mori.js	1	6	8	26	42	118	220	1032
[get-in] Object Crio	1	1	0	1	6	4	7	41
[get-in] Object Immer	0	0	0	2	0	1	0	3

Benchmark	1000	5000	10000	50000	100000	500000	1000000	5000000
[get-in] Array Native	0	1	2	1	1	6	11	52
[get-in] Array Seamless-immutable.js	1	1	2	3	2	9	20	87
[get-in] Array Immutable.js	1	8	5	6	12	45	92	439
[get-in] Array Mori.js	2	6	10	18	26	71	122	1100
[get-in] Array Crio	0	0	1	6	2	9	17	86
[get-in] Array Immer	0	1	1	2	1	5	11	50

Benchmark	1000	5000	10000	50000	100000	500000	1000000	5000000
[set] Object Native	0	2	4	14	27	129	262	1289
[set] Object Seamless-immutable	4	18	35	157	313	1439	2900	13654
[set] Object Immutable.js	1	4	4	8	10	48	89	378
[set] Object Mori.js	1	3	5	10	17	52	82	351
[set] Object Crio	6	26	33	113	227	1225	2405	11658
[set] Object Immer	4	22	36	189	385	1920	3793	20587

Benchmark	1000	5000	10000	50000	100000	500000	1000000	5000000
[set] Array Native	0	2	3	7	13	66	140	675
[set] Array Seamless-immutable.js	8	31	70	262	561	2977	5775	26573
[set] Array Immutable.js	1	4	7	17	25	113	196	988
[set] Array Mori.js	1	5	3	10	15	50	79	367
[set] Array Crio	9	37	75	310	664	3005	6089	32117
[set] Array Immer	5	16	19	66	131	642	1327	6602

Benchmark	1000	5000	10000	50000	100000	500000	1000000	5000000
[set-in] Object Native	1	5	7	26	52	267	509	2597
[set-in] Object Seamless-immutable	7	33	70	313	612	3011	6551	29118
[set-in] Object Immutable.js	2	7	8	24	33	141	287	1461
[set-in] Object Mori.js	3	8	13	39	55	298	605	1847
[set-in] Object Crio	10	38	67	293	585	2813	5768	28692
[set-in] Object Immer	4	20	36	129	264	1306	2645	13422

Benchmark	1000	5000	10000	50000	100000	500000	1000000	5000000
[set-in] Array Native	1	4	5	13	26	126	247	1252
[set-in] Array Seamless-immutable.js	13	69	112	505	1043	5636	10961	50876
[set-in] Array Immutable.js	3	10	14	33	59	288	825	3303
[set-in] Array Mori.js	3	9	15	20	46	273	571	3889
[set-in] Array Crio	14	60	111	583	1193	6088	11420	55116
[set-in] Array Immer	4	23	40	159	315	1573	3096	15793