SSD, hybrid or Velociraptor?

Paul Maddox yo at VacoLoco.net
Mon Feb 20 22:56:12 CET 2012


how do you do those tests?

On 20 Feb 2012, at 21:29, Joost Schuttelaar wrote:

> On Feb 20, 2012, at 21:36 , Jay Vaughan wrote:
> 
>> Results	83.92	
>> 	System Info		
>> 		Xbench Version		1.3
>> 		System Version		10.7.2 (11C74)
>> 		Physical RAM		4096 MB
>> 		Model		MacBookPro3,1
>> 		Drive Type		Wintec ExpressCard 48GB
>> 	Disk Test	83.92	
>> 		Sequential	108.73	
>> 			Uncached Write	131.88	80.97 MB/sec [4K blocks]
>> 			Uncached Write	116.17	65.73 MB/sec [256K blocks]
>> 			Uncached Read	60.46	17.69 MB/sec [4K blocks]
>> 			Uncached Read	246.37	123.82 MB/sec [256K blocks]
>> 		Random	68.33	
>> 			Uncached Write	20.48	2.17 MB/sec [4K blocks]
>> 			Uncached Write	139.93	44.80 MB/sec [256K blocks]
>> 			Uncached Read	1258.59	8.92 MB/sec [4K blocks]
>> 			Uncached Read	567.77	105.35 MB/sec [256K blocks]
>> 
>> 
>> 
>> Not too shabby - not the best performance I've seen from an SSD - but definitely not too bad.  And you can't beat being able to take it out of the Macbook and put it somewhere, the ability to boot an OS from it, and so on .. 
> 
> 
> So most significant difference is in random writes. Still quite faster than moving metal.
> 
> SSD:
> 
> Results	335.07	
> 	System Info		
> 		Xbench Version		1.3
> 		System Version		10.7.3 (11D50)
> 		Physical RAM		8192 MB
> 		Model		MacBookPro6,1
> 		Drive Type		INTEL SSDSA2CW160G3
> 	Disk Test	335.07	
> 		Sequential	219.51	
> 			Uncached Write	264.54	162.42 MB/sec [4K blocks]
> 			Uncached Write	243.77	137.92 MB/sec [256K blocks]
> 			Uncached Read	141.17	41.31 MB/sec [4K blocks]
> 			Uncached Read	307.15	154.37 MB/sec [256K blocks]
> 		Random	707.56	
> 			Uncached Write	579.44	61.34 MB/sec [4K blocks]
> 			Uncached Write	460.13	147.31 MB/sec [256K blocks]
> 			Uncached Read	2189.77	15.52 MB/sec [4K blocks]
> 			Uncached Read	770.75	143.02 MB/sec [256K blocks]
> 
> HD:
> 
> Results	53.32	
> 	System Info		
> 		Xbench Version		1.3
> 		System Version		10.7.3 (11D50)
> 		Physical RAM		8192 MB
> 		Model		MacBookPro6,1
> 		Drive Type		Hitachi HTS545050B9SA02
> 	Disk Test	53.32	
> 		Sequential	106.88	
> 			Uncached Write	121.21	74.42 MB/sec [4K blocks]
> 			Uncached Write	103.09	58.33 MB/sec [256K blocks]
> 			Uncached Read	87.42	25.58 MB/sec [4K blocks]
> 			Uncached Read	124.46	62.55 MB/sec [256K blocks]
> 		Random	35.52	
> 			Uncached Write	13.34	1.41 MB/sec [4K blocks]
> 			Uncached Write	75.06	24.03 MB/sec [256K blocks]
> 			Uncached Read	65.52	0.46 MB/sec [4K blocks]
> 			Uncached Read	110.71	20.54 MB/sec [256K blocks]
> 
> -- 
> 
> Joost Schuttelaar
> The Hague, NL
> _______________________________________________
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> music-bar at lists.music-bar.org
> http://lists.music-bar.org/cgi-bin/mailman/listinfo/music-bar

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