StringTest

Compare String function for the best Performance

All Test are made with a String of a 1 MB Size.

Every test function will add the String 50 times together and this will be repeated 20 times per function.

Test Environment

CPU: Intel i7 6900K @ 4.29 GHz

MEM: 64 GB

SSD: Samsung 960 Pro NVE

Windows 10 Pro x64 (latest updates @ 19.10.2017)

Test .Net Framework 4.0

Function	avg MS	min MS	max MS	max Memory (MB)
String3	23	18	35	623.5
String7	24	18	31	513.6
String9	24	23	25	224.6
String11	24	23	25	224.6
String8	24	23	25	224,6
String10	24	23	25	224.6
String2	331	329	335	228.3
String1	332	326	343	228.2
String5	335	329	341	521.4
String4	662	644	675	896.4

Test .Net Core 2.0

Function	avg MS	min MS	max MS	max Memory (MB)
String10	24	22	24	221.3
String8	24	22	24	221.3
String11	24	23	24	221.3
String9	24	23	27	221.3
String7	24	18	37	618.2
String3	24	18	37	618.2
String5	332	326	339	516
String1	335	326	339	222.7
String2	337	332	339	222.8
String4	667	663	674	516.5

Test Environment

CPU: Intel i5 4590 @ 3.30 GHz

MEM: 16 GB

SSD: Crucial SATA

Windows 7 Pro SP1 x64 (latest updates @ 23.10.2017)

Test .Net Framework 4.0

Function	avg MS	min MS	max MS	max Memory (MB)
String9	28	21	39	426.8
String8	28	24	33	310.6
String3	29	20	43	520.6
String7	29	20	42	603.6
String10	29	21	42	426.8
String11	29	21	41	426.8
String2	381	367	416	512.8
String5	382	357	445	895.1
String1	385	371	418	1024
String4	802	726	928	1228.8

Test .Net Core 2.0

Function	avg MS	min MS	max MS	max Memory (MB)
String3	28	20	39	619.5
String8	30	24	39	421.5
String10	30	23	39	421.5
String11	31	22	43	421.5
String7	32	21	62	1024
String9	33	23	49	421.5
String1	376	361	426	421.5
String2	381	365	415	507.1
String5	403	370	447	1228.8
String4	771	727	822	1228.8

*MS = Milliseconds

look in the Source Files to see how the string functions are implemented