![]() Then look for Graphics/Displays and you will get information on your graphics card, including the name. ![]() If you don't know the card/cards available on your Mac, then just go to Application > Utilities > System Information or search for System Information with Spotlight in this way and click on the icon. Choose your operating system (in this case I presume Mac OS X) and then download the package by clicking on PKG. ![]() By clicking on this link you will open the download page. The other requirement is to have the CUDA Toolkit, which is free and provides you all you need to install and run CUDA code. The most important one is a CUDA-capable GPU, so you need a recent NVIDIA graphics card. There are some general requirements which are common regardless of the operating system you use. In this guide, I explain how to install CUDA 6.0 (the latest release as I write) on your computer under OS X.įinder menu "GO" General System Requirements What follows are the instructions to install the necessary software to use thousands of "vans" to enhance the performance of your code. This is the main idea about parallel computing. GPU computing is like having hundreds and thousands of skinny guys with old vans, which can be pretty effective. Each of the men is much slower than the strong guy, but if they are able to transport your load concurrently they will have the time to complete the task, have a beer together and come back to their family before the strong guy has done half the work. If you need the work done quickly and have to move a lot of furniture, of course you will chose the second company. What would you prefer? Of course it depends of how much stuff you have to move and how much time you have to do it. The second one instead has 5 normal men available, each of them with a van of average speed. You have two choices: the first company can provide you with the strongest man alive driving the world's fastest van. You have to move to a new town and are looking to hire a furniture mover company. To better explain the key concept behind parallel computing, let me give you a more "realistic" example. I will cover parallel computing in detail in later articles, but if I had to outline in a few words what parallel computing is I would say that it is the partition of repetitive (and therefore often time consuming) tasks into singular tasks, each of which is performed by a single core or processing unit. GPU computing is a new branch of computer science and, more specifically, of parallel computing. CUDA is a proprietary programming language developed by NVIDIA for GPU programming, and in the last few years it has become the standard for GPU computing. In this guide I will explain how to install CUDA 6.0 for Mac OS X. Questions? Comments? Post them below or email us!īe sure to check us out on Twitter and the CNET Mac forums.This is the first article in a series that I will write about on the topic of parallel programming and CUDA. This may be convenient for some users however, it is still an experimental feature so try or use it with caution.ĭownload gfxCardStatus from the developer's website, it's free! The screen will go blue and then black, but will then reappear and the secondary GPU will be used. While the program is built for the new Core i5 and Core i7 computers, I am able to run it just fine on a Core2 Duo system running the GeForce 9400M/9600M combination however, it is not supported and claims my system is running the GeForce 330M regardless of what GPU I have running.ĭespite this, the program does offer a unique advantage to users of the older MacBook Pro models, in that the GPU switching feature does allow for you to switch GPUs without logging out and closing down your applications. In addition to notifications and alerts, gfxCardStatus will list any processes that are using the current graphics processor, and allow you to manually switch the active GPUs on the system. If you have the Growl notification system installed, gfxCardStatus will inform you in real-time whenever the graphics processor is changed. When the system's computing demands change and the GPU is switched, this utility will show the switches in real-time, either by displaying an "n" (GeForce 330M) or a "i" (Intel HD) in the menu. GfxCardStatus is a small menu extra that displays which graphics card is the active one. The menu extra allows you to quickly change GPUs without logging out, including on older MacBook Pro systems. This is convenient however, Apple does not provide an easy way to manage the different GPUs on the system, and if you like to tinker you may find the utility gfxCardStatus useful, both for newer and older machines. On Apple's latest MacBook Pro systems, the dual GPU setup allows for dynamic switching between the onboard and discrete graphics chips to optimize performance and battery life, depending on the tasks at hand.
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