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Re: [linux-5] Linux Meetup: LUGS AGM

From: user 2.
Sent on: Wednesday, December 30, 2009 11:38 AM
Hi,

Interesting finding. Just want to share more for the review since I got a good mood today.

We are talking about end user now. And we are also talking about power user. That's a big gap between raw computation versus real world application performance benchmarking. Application performance has complex factor such 1. user behavior 2. user usage behavior 3. application performance intelligent 4. traffic shaping and so on. This is something they might not even think about before release the results, or they might say beyond scope.

Again, for average user all card are good.

For example a Card A is running faster than Card B by 30%. Hence card A is using 2 sec, Card B only need 3 sec. But user only need this kind of special render in every 5 minutes. Tell me does the raw speed means anything to the end user? What if the user spend 20 seconds to reply an IM msg from his boss? To increase the performance, I will say ask the user to off his IM. Did the benchmark consider this? I bet they do.

Further more is this an apple to apple comparison? The bottle neck might likely occur at disk device or RAM device most of the time. I knew some people using this trick to generate the "better" benchmark. But we live in a ideal world this doesn't happen.

Again many people also abuse the name of Linux. What distro you are talking about means a lot too. An ideal lab test environment will be DIFFERENT from what you have at your home. Do you do OS tuning at home? Most of us might likely "install all". It work for you doesn't mean for me, please.

And finally back to the point. We are discussing the driver portability. If you use it to surf web, yes it work fine. But what if i want to extend to a funny non standard software and funny non standard hardware? You might end up write you own driver to control the device. Opps if you are no good in low level C programming. I will say a 5 years learning curve might help. 5 years too long? Buy a better support card.

Above are just my personal opinion.

Best,
Cheng Lim




From: masotime <[address removed]>
To: [address removed]
Sent: Wednesday, 30 December[masked]:48:26
Subject: Re: [linux-5] Linux Meetup: LUGS AGM

ATI v.s. nVidia on Linux: http://www.hexus.net/content/item.php?item=18017

On Wed, Dec 30, 2009 at 10:42 AM, Harish <[address removed]> wrote:
>> I would like to use the "product page" to explain this:
>
> NVIDIA: http://www.nvidia.com/page/products.html
> ATI: http://www.amd.com/us/products/Pages/graphics.aspx
>
> Nvidia is more mature because they actually have more product. And the
> chances is their driver could be better.

Not necessarily true.  More products does not make for better products.
Their proprietary blobs are hiding stuff that makes systems less reliable -
any proprietary blob for that matter.

Harish



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