Benchmarks › 5 MB, pretty-printed

5 MB, pretty-printed

Overview

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

Library	Time	Instructions	Peak memory	Allocations
JBird	7.69 ms	163.2M	76.3 MB	52.6K
Foundation	14.42 ms	329.0M	337.1 MB	73.8K
Freddy	15.99 ms	329.3M	44.4 MB	52.6K
SwiftyJSON	52.79 ms	1.2B	135.4 MB	105.4K

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	7,732.6	7,267.2	7,692.3	7,991.3	8,146.9	8,220.7	8,684.0	129
Foundation	14,465.3	13,979.9	14,417.9	14,671.9	14,827.5	16,847.0	16,847.0	69
Freddy	16,022.8	15,430.5	15,990.8	16,244.7	16,384.0	16,736.9	16,736.9	63
SwiftyJSON	52,852.2	51,903.4	52,789.2	53,772.3	54,544.6	54,544.6	54,544.6	19

Time (total CPU) (μs)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	7,742.0	7,275.9	7,700.5	8,003.6	8,179.7	8,228.9	8,688.3	129
Foundation	14,478.1	13,987.8	14,434.3	14,680.1	14,843.9	16,869.6	16,869.6	69
Freddy	16,037.1	15,448.5	16,015.4	16,252.9	16,400.4	16,755.3	16,755.3	63
SwiftyJSON	52,886.7	51,924.7	52,822.0	53,805.1	54,588.6	54,588.6	54,588.6	19

Throughput (# / s) (per second)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	129	115	130	132	133	137	138	129
Foundation	69	59	69	70	71	72	72	69
Freddy	62	60	63	63	63	65	65	63
SwiftyJSON	19	18	19	19	19	19	19	19

Instructions (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	163,214,614	163,035,503	163,184,639	163,184,639	163,708,927	165,019,647	169,743,217	129
Foundation	328,939,431	328,677,773	328,990,719	329,777,151	329,777,151	330,580,839	330,580,839	69
Freddy	329,246,622	329,118,852	329,252,863	329,777,151	330,039,295	331,064,186	331,064,186	63
SwiftyJSON	1,234,587,864	1,234,104,402	1,235,222,527	1,236,271,103	1,236,316,912	1,236,316,912	1,236,316,912	19

Memory (resident peak) (bytes)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	75,958,637	55,230,464	76,300,288	76,300,288	76,300,288	76,300,288	76,300,288	129
Foundation	338,411,045	46,743,552	337,117,183	581,959,679	604,504,063	634,863,616	634,863,616	69
Freddy	44,357,730	43,958,272	44,367,872	44,367,872	44,367,872	44,367,872	44,367,872	63
SwiftyJSON	135,273,203	56,770,560	135,397,375	204,472,319	213,254,144	213,254,144	213,254,144	19

Malloc (total) (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	52,592	52,594	52,594	52,594	52,594	52,594	52,594	129
Foundation	73,760	73,753	73,754	73,754	73,754	73,754	73,754	69
Freddy	52,592	52,586	52,586	52,586	52,586	52,586	52,586	63
SwiftyJSON	105,440	105,437	105,439	105,439	105,439	105,439	105,439	19

Malloc (bytes total) (bytes)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	25,370,624	25,368,532	25,368,532	25,368,532	25,368,532	25,368,532	25,368,532	129
Foundation	7,231,488	7,232,408	7,232,536	7,232,536	7,232,536	7,232,536	7,232,536	69
Freddy	12,390,400	12,388,969	12,388,969	12,388,969	12,388,969	12,388,969	12,388,969	63
SwiftyJSON	22,700,032	22,692,376	22,692,536	22,692,536	22,692,536	22,692,536	22,692,536	19

Free (total) (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	52,592	52,594	52,594	52,594	52,594	52,594	52,594	129
Foundation	11	11	11	11	11	11	11	69
Freddy	52,592	52,586	52,586	52,586	52,586	52,586	52,586	63
SwiftyJSON	31,688	31,695	31,695	31,695	31,695	31,695	31,695	19

Malloc / free Δ (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	0	0	0	0	0	0	0	129
Foundation	73,760	73,742	73,743	73,743	73,743	73,743	73,743	69
Freddy	0	0	0	0	0	0	0	63
SwiftyJSON	73,760	73,742	73,744	73,744	73,744	73,744	73,744	19

Malloc / free Δ (bytes) (bytes)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	0	0	0	0	0	0	0	129
Foundation	6,961,152	6,962,480	6,962,608	6,962,608	6,962,608	6,962,608	6,962,608	69
Freddy	0	0	0	0	0	0	0	63
SwiftyJSON	6,961,152	6,962,480	6,962,640	6,962,640	6,962,640	6,962,640	6,962,640	19

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