Array

Overview

Median values for each library. For every metric, lower values are better.

Library	Time	Instructions	Peak memory	Allocations
JBird	116.8 μs	3.3M	31.4 MB	28
Foundation	319.0 μs	8.6M	154.4 MB	13
Freddy	97.0 μs	2.6M	30.6 MB	14
SwiftyJSON	2.99 ms	78.0M	45.5 MB	17

All Metrics

The mean of each metric, and its percentiles from p0 (the lowest sample) to p100 (the highest sample). For every metric except throughput, lower values are better.

Time (wall clock) (μs)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	118.7	100.9	116.8	127.7	130.8	137.7	182.4	7,937
Foundation	319.0	281.2	319.0	329.7	333.6	346.6	380.7	3,063
Freddy	96.0	80.9	97.0	102.3	106.8	112.3	140.5	9,707
SwiftyJSON	3,008.7	2,783.6	2,986.0	3,172.4	3,219.5	3,428.4	3,468.6	332

Time (total CPU) (μs)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	122.6	104.2	120.6	131.6	135.0	142.7	186.9	7,937
Foundation	322.9	284.6	322.8	333.8	338.2	350.2	390.6	3,063
Freddy	99.7	84.2	100.5	106.4	110.5	116.4	145.6	9,707
SwiftyJSON	3,013.9	2,794.4	2,990.1	3,176.4	3,225.6	3,430.4	3,474.0	332

Throughput (# / s) (per second)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	8,449	5,483	8,567	8,879	8,887	9,271	9,909	7,937
Foundation	3,138	2,627	3,135	3,241	3,253	3,407	3,556	3,063
Freddy	10,446	7,120	10,319	11,079	11,255	11,751	12,365	9,707
SwiftyJSON	333	288	335	345	346	354	359	332

Instructions (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	3,321,897	3,320,312	3,321,855	3,323,903	3,323,903	3,350,527	3,774,184	7,937
Foundation	8,644,273	8,613,750	8,642,559	8,650,751	8,675,327	8,691,711	8,992,287	3,063
Freddy	2,637,357	2,636,244	2,637,823	2,637,823	2,637,823	2,652,159	2,834,091	9,707
SwiftyJSON	78,037,387	77,915,910	77,987,839	78,053,375	78,118,911	82,771,967	83,054,172	332

Memory (resident peak) (bytes)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	31,339,825	29,851,648	31,358,976	31,358,976	31,358,976	31,358,976	31,358,976	7,937
Foundation	154,887,388	29,966,336	154,402,815	254,935,039	267,911,167	277,348,351	280,559,616	3,063
Freddy	30,629,176	29,851,648	30,638,080	30,638,080	30,638,080	30,638,080	30,638,080	9,707
SwiftyJSON	45,400,878	30,031,872	45,514,751	56,393,727	58,032,127	59,015,167	59,326,464	332

Malloc (total) (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	28	28	28	28	28	28	28	7,937
Foundation	13	13	13	13	13	13	14	3,063
Freddy	14	14	14	14	14	14	14	9,707
SwiftyJSON	17	17	17	17	17	17	19	332

Malloc (bytes total) (bytes)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	1,157,632	1,158,016	1,158,016	1,158,016	1,158,016	1,158,016	1,158,016	7,937
Foundation	350,096	349,960	350,207	350,207	350,207	350,207	354,056	3,063
Freddy	507,008	507,112	507,112	507,112	507,112	507,112	507,112	9,707
SwiftyJSON	989,966	990,088	990,207	990,207	990,207	990,207	994,184	332

Free (total) (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	28	28	28	28	28	28	28	7,937
Foundation	11	11	11	11	11	11	11	3,063
Freddy	14	14	14	14	14	14	14	9,707
SwiftyJSON	15	15	15	15	15	15	15	332

Malloc / free Δ (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	0	0	0	0	0	0	0	7,937
Foundation	2	2	2	2	2	2	3	3,063
Freddy	0	0	0	0	0	0	0	9,707
SwiftyJSON	2	2	2	2	2	2	4	332

Malloc / free Δ (bytes) (bytes)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	0	0	0	0	0	0	0	7,937
Foundation	80,048	80,032	80,063	80,063	80,063	80,063	84,128	3,063
Freddy	0	0	0	0	0	0	0	9,707
SwiftyJSON	80,045	80,032	80,063	80,063	80,063	80,063	84,128	332

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