1 MB

Overview

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

Library	Time	Instructions	Peak memory	Allocations
JBird	1.46 ms	31.5M	38.7 MB	10.5K
Foundation	2.79 ms	64.8M	339.0 MB	14.8K
Freddy	3.19 ms	64.8M	33.0 MB	10.5K
SwiftyJSON	10.16 ms	247.3M	119.5 MB	21.1K

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	1,481.0	1,295.0	1,462.3	1,550.3	1,596.4	1,718.3	1,781.8	671
Foundation	2,800.8	2,580.5	2,793.5	2,848.8	2,879.5	3,512.3	3,795.4	356
Freddy	3,213.9	2,926.2	3,192.8	3,289.1	3,354.6	3,792.9	4,256.4	310
SwiftyJSON	10,218.5	9,758.4	10,158.1	10,371.1	10,453.0	12,881.7	12,881.7	98

Time (total CPU) (μs)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	1,485.8	1,304.6	1,467.4	1,559.6	1,601.5	1,722.4	1,786.0	671
Foundation	2,806.2	2,584.3	2,797.6	2,850.8	2,883.6	3,526.7	3,804.3	356
Freddy	3,219.4	2,930.1	3,199.0	3,297.3	3,366.9	3,801.1	4,266.9	310
SwiftyJSON	10,227.4	9,769.4	10,166.3	10,379.3	10,461.2	12,892.2	12,892.2	98

Throughput (# / s) (per second)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	676	561	684	697	702	731	772	671
Foundation	358	263	358	368	370	379	388	356
Freddy	311	235	313	317	320	333	342	310
SwiftyJSON	98	78	98	100	100	102	102	98

Instructions (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	31,540,384	31,514,942	31,539,199	31,555,583	31,621,119	31,719,423	32,866,663	671
Foundation	64,870,975	64,768,271	64,847,871	65,011,711	65,044,479	65,929,215	66,054,230	356
Freddy	64,779,799	64,725,313	64,782,335	64,913,407	64,913,407	65,273,855	66,049,586	310
SwiftyJSON	247,477,311	247,157,417	247,332,863	247,595,007	248,250,367	252,258,349	252,258,349	98

Memory (resident peak) (bytes)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	38,506,636	33,521,664	38,666,239	38,682,624	38,682,624	38,682,624	38,682,624	671
Foundation	339,033,053	31,621,120	338,952,191	586,153,983	617,086,975	640,679,935	647,528,448	356
Freddy	33,021,529	32,538,624	33,030,144	33,030,144	33,030,144	33,030,144	33,030,144	310
SwiftyJSON	119,830,068	33,669,120	119,537,663	187,826,175	196,214,783	204,783,616	204,783,616	98

Malloc (total) (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	10,540	10,542	10,542	10,542	10,542	10,542	10,542	671
Foundation	14,804	14,807	14,807	14,807	14,807	14,807	14,808	356
Freddy	10,540	10,536	10,536	10,536	10,536	10,536	10,536	310
SwiftyJSON	21,144	21,147	21,149	21,149	21,149	21,149	21,149	98

Malloc (bytes total) (bytes)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	5,232,640	5,232,020	5,232,020	5,232,020	5,232,020	5,232,020	5,232,020	671
Foundation	1,470,990	1,471,384	1,471,487	1,471,487	1,471,487	1,471,487	1,475,480	356
Freddy	2,518,016	2,518,297	2,518,297	2,518,297	2,518,297	2,518,297	2,518,297	310
SwiftyJSON	4,564,992	4,563,480	4,563,640	4,563,640	4,563,640	4,563,640	4,563,640	98

Free (total) (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	10,540	10,542	10,542	10,542	10,542	10,542	10,542	671
Foundation	9	9	9	9	9	9	9	356
Freddy	10,540	10,536	10,536	10,536	10,536	10,536	10,536	310
SwiftyJSON	6,350	6,349	6,349	6,349	6,349	6,349	6,349	98

Malloc / free Δ (count)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	0	0	0	0	0	0	0	671
Foundation	14,796	14,798	14,799	14,799	14,799	14,799	14,799	356
Freddy	0	0	0	0	0	0	0	310
SwiftyJSON	14,796	14,798	14,799	14,799	14,799	14,800	14,800	98

Malloc / free Δ (bytes) (bytes)

	Mean	p0	p50	p90	p95	p99	p100	Samples
JBird	0	0	0	0	0	0	0	671
Foundation	1,398,284	1,398,064	1,398,783	1,398,783	1,398,783	1,398,783	1,402,160	356
Freddy	0	0	0	0	0	0	0	310
SwiftyJSON	1,398,272	1,398,064	1,398,224	1,398,224	1,398,224	1,398,224	1,398,224	98

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