Subject: Re: Sync vs. Async file system
To: Per Fogelstrom <pefo@enea.se>
From: Per Fogelstrom <pefo@enea.se>
List: current-users
Date: 09/30/1995 20:48:57
hrm.. sorry I switched sync and async. I also tried it at
an mfs to hide disk latency.

			create	delete
Type	Size	N	/sec	/sec
--------------------------------------
mfs	0k	500	625	2778
	1k	500	450	1020
	4k	500	314	100
 	10k	500	219	962

> 
> Hi!
> 
> There was some talk about filesystem speed some time ago.
> I ran a benchmark that was posted to the net a while ago to
> see what the difference between async and sync mounting was.
> 
> The test creates writes and deletes a number of files with
> different size.
> 
> This was the result:
> 
> 			create	delete
> Type	Size	N	/sec	/sec
> --------------------------------------
> Sync	0k	500	84	2778
> 	1k	500	48	90
> 	4k	500	45	90
> 	10k	500	32	90
> 
> Async	0k	500	34	90
> 	1k	500	26	35
> 	4k	500	26	35
> 	10k	500	20	29
> 
> I'm not making any conclusions, this is only an observation.
> 
> Per
>