.. title: PAR Homework 4, due Thu  2020-02-13, noon
.. slug: homework04
.. tags: homework
.. date: 2020-02-06
.. category: 
.. link: 
.. description: 
.. type: text
.. has_math: true

Rules
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#. Submit the answers to Gradescope.

#. You may do homeworks in teams of 2 students.   Create a gradescope team and make one submission with both names.

#. For redundancy, at the top of your submitted homework write what it is and who you are.  E.g., "Parallel Homework 2, 1/30/20, by Boris Badenov and Natasha Fatale".

   
Questions
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These may require some research.

#. (10 points) Compare and contrast these different types of memory on the Nvidia GPU.  How big are they?  How fast are they?  How global is their visibility?

   a. register
   #. shared
   #. local
   #. global

#. (10 points) Compare and contrast on size, synchronization of components, order in hierarchy.

   a. thread block
   #. thread warp
   #. grid

#. (10 points) In what way is the simple CUDA example in Module 2 obsolete?

#. (10 points) On parallel, according to   **/local/cuda/samples/0_Simple/matrixMulCUBLAS** how many FLOPS is the RTX 8000 on parallel?  How does that compare to your program (that didn't use the GPU)?


Total: 40 pts.