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check your graphics card:
$ system_profiler SPDisplaysDataType

    Intel HD Graphics 4000:

      Chipset Model: Intel HD Graphics 4000
      Type: GPU
      Bus: Built-In
      VRAM (Dynamic, Max): 1024 MB
      Vendor: Intel (0x8086)
      Device ID: 0x0166
      Revision ID: 0x0009
      gMux Version: 3.2.19 [3.2.8]
        Color LCD:
          Display Type: Retina LCD
          Resolution: 2880 x 1800 Retina
          Retina: Yes
          Pixel Depth: 32-Bit Color (ARGB8888)
          Main Display: Yes
          Mirror: Off
          Online: Yes
          Built-In: Yes

    NVIDIA GeForce GT 650M:                                        
      Chipset Model: NVIDIA GeForce GT 650M
      Type: GPU
      Bus: PCIe
      PCIe Lane Width: x8
      VRAM (Total): 1024 MB
      Vendor: NVIDIA (0x10de)
      Device ID: 0x0fd5
      Revision ID: 0x00a2
      ROM Revision: 3688
      gMux Version: 3.2.19 [3.2.8]
GPU Engine Specs:
384 coresCUDA Cores
Up to 900 MHzGraphics Clock (MHz)
Up to 27.2Texture Fill Rate (billion/sec)
Memory Specs:
DDR3\GDDR5Memory Interface
128bitMemory Interface Width
Up to 80.0Memory Bandwidth (GB/sec)
Feature Support:
PCI Express 2.0, PCI Express 3.0Bus Support
YesCertified for Windows 7
DirectX 11, Optimus, PhysX, OpenCL, DirectCompute, 3D Vision, CUDASupported Technologies
YesDirectX 11.2*
Display Support:
3840 x 2160Maximum Digital Resolution
Up to 2048x1536Maximum VGA Resolution
3D Vision Ready
Yes3D Blu-Ray

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