5 MB

Overview

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

Library	Time	Instructions	Peak memory	Allocations
JBird	7.23 ms	157.5M	58.2 MB	52.6K
Foundation	14.07 ms	323.7M	343.9 MB	73.8K
Freddy	15.94 ms	323.7M	44.4 MB	52.6K
SwiftyJSON	51.87 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	7,252.1	6,825.7	7,233.5	7,442.4	7,675.9	7,843.8	7,878.4	138
Foundation	14,141.3	13,535.3	14,065.7	14,704.6	14,852.1	15,228.4	15,228.4	71
Freddy	15,950.5	15,363.0	15,941.6	16,203.8	16,244.7	17,206.5	17,206.5	63
SwiftyJSON	51,976.6	51,132.5	51,871.7	52,559.9	52,625.4	53,102.8	53,102.8	20

Time (total CPU) (μs)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	7,260.9	6,825.8	7,241.7	7,450.6	7,680.0	7,856.1	7,888.4	138
Foundation	14,152.8	13,545.7	14,073.9	14,721.0	14,868.5	15,252.0	15,252.0	71
Freddy	15,962.0	15,365.1	15,958.0	16,220.2	16,261.1	17,222.3	17,222.3	63
SwiftyJSON	52,012.6	51,155.7	51,904.5	52,592.6	52,658.2	53,133.5	53,133.5	20

Throughput (# / s) (per second)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	138	127	138	141	143	145	147	138
Foundation	71	66	71	72	73	74	74	71
Freddy	63	58	63	64	64	65	65	63
SwiftyJSON	19	19	19	19	19	20	20	20

Instructions (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	157,580,837	157,488,398	157,548,543	157,679,615	158,203,903	159,121,407	159,155,860	138
Foundation	323,823,529	323,609,195	323,747,839	324,796,415	324,796,415	326,939,470	326,939,470	71
Freddy	323,716,632	323,673,955	323,747,839	324,272,127	324,534,271	324,778,422	324,778,422	63
SwiftyJSON	1,216,348,160	1,215,645,612	1,216,348,159	1,217,396,735	1,217,885,996	1,217,885,996	1,217,885,996	20

Memory (resident peak) (bytes)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	58,167,712	55,361,536	58,195,968	58,195,968	58,195,968	58,195,968	58,195,968	138
Foundation	347,179,498	46,071,808	343,932,927	590,348,287	621,281,279	653,017,088	653,017,088	71
Freddy	44,360,850	44,023,808	44,367,872	44,367,872	44,367,872	44,367,872	44,367,872	63
SwiftyJSON	139,611,341	56,786,944	135,397,375	204,472,319	213,254,143	221,904,896	221,904,896	20

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	138
Foundation	73,760	73,753	73,754	73,754	73,754	73,754	73,754	71
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	20

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	138
Foundation	7,231,488	7,232,408	7,232,536	7,232,536	7,232,536	7,232,536	7,232,536	71
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	20

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	138
Foundation	11	11	11	11	11	11	11	71
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	20

Malloc / free Δ (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	0	0	0	0	0	0	0	138
Foundation	73,760	73,742	73,743	73,743	73,743	73,743	73,743	71
Freddy	0	0	0	0	0	0	0	63
SwiftyJSON	73,760	73,742	73,744	73,744	73,744	73,744	73,744	20

Malloc / free Δ (bytes) (bytes)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	0	0	0	0	0	0	0	138
Foundation	6,961,152	6,962,480	6,962,608	6,962,608	6,962,608	6,962,608	6,962,608	71
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	20

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