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Overview

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

Library	Time	Instructions	Peak memory	Allocations
JBird	6.11 ms	159.0M	71.8 MB	56.1K
Foundation	12.41 ms	310.4M	383.3 MB	167.4K
Freddy	8.54 ms	215.1M	37.7 MB	114.2K
SwiftyJSON	66.39 ms	1.7B	116.3 MB	279.5K

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	6,127.2	5,824.0	6,107.1	6,389.8	6,438.9	6,856.7	6,884.1	163
Foundation	12,396.9	11,956.9	12,410.9	12,550.1	12,566.5	12,774.8	12,774.8	81
Freddy	8,535.5	8,068.9	8,536.1	8,708.1	8,724.5	8,880.1	8,888.4	117
SwiftyJSON	66,093.1	63,850.5	66,388.0	67,960.8	68,184.6	68,184.6	68,184.6	16

Time (total CPU) (μs)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	6,135.0	5,834.8	6,111.2	6,406.1	6,455.3	6,860.8	6,899.3	163
Foundation	12,407.8	11,970.9	12,427.3	12,558.3	12,574.7	12,786.2	12,786.2	81
Freddy	8,543.8	8,081.6	8,544.3	8,716.3	8,740.9	8,896.5	8,896.7	117
SwiftyJSON	66,123.8	63,888.4	66,420.7	67,960.8	68,221.7	68,221.7	68,221.7	16

Throughput (# / s) (per second)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	163	145	164	170	171	172	172	163
Foundation	81	78	81	82	82	84	84	81
Freddy	117	113	117	119	120	123	124	117
SwiftyJSON	15	15	15	16	16	16	16	16

Instructions (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	158,984,305	158,863,218	158,990,335	158,990,335	158,990,335	160,563,199	164,304,290	163
Foundation	310,257,133	310,072,518	310,378,495	310,378,495	310,378,495	310,996,028	310,996,028	81
Freddy	215,097,554	215,040,811	215,089,151	215,220,223	215,351,295	215,744,511	216,738,909	117
SwiftyJSON	1,705,705,472	1,705,410,537	1,706,033,151	1,707,081,727	1,707,341,349	1,707,341,349	1,707,341,349	16

Memory (resident peak) (bytes)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	70,008,933	47,874,048	71,778,304	71,778,304	71,778,304	71,778,304	71,778,304	163
Foundation	384,364,392	38,567,936	383,254,527	659,030,015	693,633,023	727,842,816	727,842,816	81
Freddy	37,665,696	36,126,720	37,683,200	37,683,200	37,683,200	37,683,200	37,683,200	117
SwiftyJSON	120,639,488	56,115,200	116,260,863	176,291,839	184,958,976	184,958,976	184,958,976	16

Malloc (total) (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	56,080	56,092	56,092	56,092	56,092	56,092	56,092	163
Foundation	167,360	167,395	167,396	167,396	167,396	167,396	167,396	81
Freddy	114,208	114,176	114,176	114,176	114,176	114,176	114,176	117
SwiftyJSON	279,424	279,495	279,497	279,497	279,497	279,497	279,497	16

Malloc (bytes total) (bytes)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	19,439,616	19,439,972	19,439,972	19,439,972	19,439,972	19,439,972	19,439,972	163
Foundation	6,895,616	6,893,752	6,893,880	6,893,880	6,893,880	6,893,880	6,893,880	81
Freddy	11,309,056	11,312,633	11,312,633	11,312,633	11,312,633	11,312,633	11,312,633	117
SwiftyJSON	21,176,320	21,181,512	21,181,672	21,181,672	21,181,672	21,181,672	21,181,672	16

Free (total) (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	56,080	56,092	56,092	56,092	56,092	56,092	56,092	163
Foundation	264	264	264	264	264	264	264	81
Freddy	114,208	114,176	114,176	114,176	114,176	114,176	114,176	117
SwiftyJSON	112,352	112,364	112,364	112,364	112,364	112,364	112,364	16

Malloc / free Δ (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	0	0	0	0	0	0	0	163
Foundation	167,104	167,131	167,132	167,132	167,132	167,132	167,132	81
Freddy	0	0	0	0	0	0	0	117
SwiftyJSON	167,104	167,131	167,133	167,133	167,133	167,133	167,133	16

Malloc / free Δ (bytes) (bytes)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	0	0	0	0	0	0	0	163
Foundation	5,789,696	5,790,800	5,790,928	5,790,928	5,790,928	5,790,928	5,790,928	81
Freddy	0	0	0	0	0	0	0	117
SwiftyJSON	5,789,696	5,790,800	5,790,960	5,790,960	5,790,960	5,790,960	5,790,960	16

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