[ITK] [ITK-users] GPU Implementation

[Xiaopeng Yang]

Hi Jim,

 

Thanks for your suggestion. I tested with a smaller dataset: 512 × 512 × 75 and it worked. No crash occurred. 

 

Best regards,

Xiaopeng

 

From: Jim Miller [mailto:millerjv at gmail.com] 
Sent: Saturday, December 06, 2014 12:50 PM
To: Xiaopeng Yang
Cc: John Drescher; Insight-Users at Itk. Org
Subject: Re: [ITK-users] GPU Implementation

 

I'd start by using a smaller dataset. Perhaps downsample your dataset to 256x256x150 to see if that works on your card. 

Jim


On Dec 5, 2014, at 8:39 PM, Xiaopeng Yang <yxp233 at postech.ac.kr> wrote:

Hi Jim,

 

So you mean I need to change graphics card or set some parameters? How to allocate the memory of graphics card? 

 

Thanks,

Xiaopeng

 

From: Jim Miller [mailto:millerjv at gmail.com] 
Sent: Saturday, December 06, 2014 10:11 AM
To: Xiaopeng Yang
Cc: John Drescher; Insight-Users at Itk. Org
Subject: Re: [ITK-users] GPU Implementation

 

I estimate that you would need over 2GB on your graphics card to run the demons algorithm on that size of a dataset. 

Jim


On Dec 5, 2014, at 6:45 PM, Xiaopeng Yang <yxp233 at postech.ac.kr> wrote:

Dear Jim,

 

The images are quite large: 512 * 512 *300. 

 

I did not build test when I compile ITK.

 

Thanks,

Xiaopeng

 

From: Jim Miller [mailto:millerjv at gmail.com] 
Sent: Friday, December 05, 2014 11:15 PM
To: Xiaopeng Yang
Cc: John Drescher; Insight-Users at Itk. Org
Subject: Re: [ITK-users] GPU Implementation

 

How large are the images that you are using?

Jim


On Dec 5, 2014, at 2:43 AM, Xiaopeng Yang <yxp233 at postech.ac.kr> wrote:

Hi John,

 

Sorry I mean the program got crashed after showing #define T float. 

 

Thanks,

Xiaopeng

 

From: John Drescher [mailto:drescherjm at gmail.com] 
Sent: Friday, December 05, 2014 4:24 PM
To: Xiaopeng Yang
Cc: Jim Miller; Insight-Users at Itk. Org
Subject: Re: [ITK-users] GPU Implementation

 

 

 

On Fri, Dec 5, 2014 at 12:41 AM, Xiaopeng Yang <yxp233 at postech.ac.kr> wrote:

Dear Jim,

 

Thanks for your help. I built the test successfully, but I met an error when I run the program. Please see the attached image file. 

 

Best,

Xiaopeng

 

<image001.png>

 

 

Is that an error? 

John 

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