Show us your SSD performance 2

nice score, i'm still waiting for the prices to go down. I want a big ssd of around 250-300gbs but I don't want to pay the price they have right now. So i'm playing the waiting game to see the prices drop more :)

Ok, here are my new numbers using the WINSAT DISK command:

What's Good?
What's Bad?

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\AL>Winsat disk
Windows System Assessment Tool
> Running: Feature Enumeration ''
> Run Time 00:00:00.00
> Running: Storage Assessment '-seq -read -n 0'
> Run Time 00:00:05.73
> Running: Storage Assessment '-ran -read -n 0'
> Run Time 00:00:00.36
> Running: Storage Assessment '-scen 2009 -drive C:'
> Run Time 00:00:51.92
> Running: Storage Assessment '-seq -write -drive C:'
> Run Time 00:00:03.46
> Running: Storage Assessment '-flush -drive C: -seq'
> Run Time 00:00:01.00
> Running: Storage Assessment '-flush -drive C: -ran'
> Run Time 00:00:00.95
> Running: Storage Assessment '-hybrid -ran -read -n 0 -ransize 4096'
NV Cache not present.
> Run Time 00:00:00.01
> Running: Storage Assessment '-hybrid -ran -read -n 0 -ransize 16384'
NV Cache not present.
> Run Time 00:00:00.00
> Disk Sequential 64.0 Read 527.58 MB/s 7.9
> Disk Random 16.0 Read 316.74 MB/s 7.9
> Responsiveness: Average IO Rate 0.39 ms/IO 7.9
> Responsiveness: Grouped IOs 6.53 units 7.7
> Responsiveness: Long IOs 0.97 units 7.9
> Responsiveness: Overall 6.34 units 7.9
> Responsiveness: PenaltyFactor 0.0
> Disk Sequential 64.0 Write 509.33 MB/s 7.9
> Average Read Time with Sequential Writes 0.567 ms 7.9
> Latency: 95th Percentile 2.026 ms 7.6
> Latency: Maximum 31.022 ms 7.9
> Average Read Time with Random Writes 0.552 ms 7.9
> Total Run Time 00:01:04.18

C:\Users\AL>

Albuquerque said:

What SSD are you testing? The last four lines are latency figures for read and write; you are looking at around 1/2msec latency for both (on average), which seems a bit high for a single SSD. RAIDed SSD's will experience a tad more latency just for the overhead, so perhaps you've got two SATAII SSD's raided together? Also your maximum latency is WAY out for an SSD (even a RAID set), which makes me wonder if your drive might be due for a zero'ing.

Certainly they aren't bad numbers, but this tool provides a level of detail that allows you to do a different 'level' of analysis.

Sorry, I have 2x120 GB SSD (Corsair-Force GT 3) in a RAID 0....They are only about 1 month old...if that..

Ah, cool. Yeah, the RAID answers the extra latency then, so overall those are very good numbers! I might have expected your "long IO's" to score a better (a lower number of "units" is better; units in this case is milliseconds per IO request) but it may be something specific to the Intel controller that I'm just unaware of.

I know most people really place no value in WEI (and rightfully so...) but the WINSAT tool provides a great level of detail for digging into performance data on your machine and its various subsystems. It's too bad Microsoft didn't evangelize it correctly

Albuquerque said:

Ah, cool. Yeah, the RAID answers the extra latency then, so overall those are very good numbers! I might have expected your "long IO's" to score a better (a lower number of "units" is better; units in this case is milliseconds per IO request) but it may be something specific to the Intel controller that I'm just unaware of.

I know most people really place no value in WEI (and rightfully so...) but the WINSAT tool provides a great level of detail for digging into performance data on your machine and its various subsystems. It's too bad Microsoft didn't evangelize it correctly

ROGER THAT!

Thanks for your input!