I changed the output of the results (thanks to jw schultz for the suggestions).

The benchmark repeast 10 times the following command:
./chat_c 127.0.0.1 30 1000 9999 

This means that:
o)it creates 30 chat rooms
o)it sends 1000 messages (the number of messages sent by each chat room member)

Then it evaluates the average throughput (messages per second).

Here the results:

Version		Throughput	Min	Max	Ratio
2.4.19		47250.9 	45634	50940	1.000
2.4.19-ck7	57210.1 	55007	61988	1.211
2.5.38		62543.3 	58416	64196	1.324
2.5.40		60115.4 	52443	63264	1.272
2.5.43		58807.5 	55376	60617	1.245
2.5.44		57906.2 	49808	60197	1.226
2.5.44-mm1	56060.7 	53250	58617	1.186
2.5.44-mm5	56778.8 	54685	59737	1.202

Comments ?

Paolo
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