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Choosing a GPU platform: AMD and Nvidia
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Daniel Shawul



Joined: 14 Mar 2006
Posts: 2275
Location: Ethiopia
PostPost subject: Re: Choosing a GPU platform: AMD and Nvidia    Posted: Sun Jun 10, 2012 6:56 pm Reply to topic Reply with quote
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2) It seems like many AMD cards report 32Kb of local memory whilst many Nvidia cards report 48Kb. Is this available to every processing element? e.g. The Nvidia GTX 550 Ti has 192 "CUDA cores", does that mean that every one of them has 48kb of local memory i.e. a total of 9Mb of fast, local memory split evenly across the device?

No. Shared memory (or. local memory as AMD calls it) is allocated per multi-processor not for each cuda core. Each mp consists of a group of 8 cuda cores, and the latest one using fermi architecture have 32 cuda cores per mp. Infact the 48kb figure is for the fermi, so you get very little per core.
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Display posts from previous:   
Subject Author Date/Time
Choosing a GPU platform: AMD and Nvidia John Hamlen Sun Jun 10, 2012 2:52 pm
      Re: Choosing a GPU platform: AMD and Nvidia John Hamlen Sun Jun 10, 2012 6:12 pm
      Re: Choosing a GPU platform: AMD and Nvidia Daniel Shawul Sun Jun 10, 2012 6:56 pm
            Re: Choosing a GPU platform: AMD and Nvidia John Hamlen Sun Jun 10, 2012 11:25 pm
                  Re: Choosing a GPU platform: AMD and Nvidia Daniel Shawul Mon Jun 11, 2012 12:28 am
                        Re: Choosing a GPU platform: AMD and Nvidia John Hamlen Mon Jun 11, 2012 1:06 pm
                              Re: Choosing a GPU platform: AMD and Nvidia Daniel Shawul Mon Jun 11, 2012 2:53 pm
                                    Re: Choosing a GPU platform: AMD and Nvidia John Hamlen Mon Jun 11, 2012 11:14 pm
                                          Re: Choosing a GPU platform: AMD and Nvidia Srdja Matovic Sat Jul 14, 2012 2:06 pm
                                                Re: Choosing a GPU platform: AMD and Nvidia Vincent Diepeveen Sat Jul 14, 2012 3:53 pm
                                                      Re: Choosing a GPU platform: AMD and Nvidia Srdja Matovic Sun Jul 15, 2012 11:10 am
                                                      Re: Choosing a GPU platform: AMD and Nvidia Srdja Matovic Sun Jul 15, 2012 11:35 am
                                                            Re: Choosing a GPU platform: AMD and Nvidia Vincent Diepeveen Sun Jul 15, 2012 12:19 pm
                                                                  Re: Choosing a GPU platform: AMD and Nvidia Srdja Matovic Sun Jul 15, 2012 12:37 pm
                                                                        Re: Choosing a GPU platform: AMD and Nvidia Vincent Diepeveen Sun Jul 15, 2012 5:45 pm
      Re: i choose AMD Srdja Matovic Mon Jun 11, 2012 2:56 pm
      Re: Choosing a GPU platform: AMD and Nvidia Vincent Diepeveen Sat Jul 14, 2012 3:30 pm
Post new topic    TalkChess.com Forum Index -> Computer Chess Club: Programming and Technical Discussions

 
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