Podcast
Questions and Answers
What is the term used in CUDA to refer to a function that is run by all the threads in a grid?
What is the term used in CUDA to refer to a function that is run by all the threads in a grid?
- Executor
- Kernel (correct)
- Dispatcher
- Concurrent
In CUDA, threads are organized in blocks, and blocks are organized in what structure?
In CUDA, threads are organized in blocks, and blocks are organized in what structure?
- Structures
- Grids (correct)
- Arrays
- Matrices
What determines the sizes of the blocks and grids in CUDA programming?
What determines the sizes of the blocks and grids in CUDA programming?
- Thread hierarchy
- Scheduler overhead
- Execution configuration
- Device capabilities (correct)
What type of vector does the CUDA-supplied dim3 represent?
What type of vector does the CUDA-supplied dim3 represent?
How can a 1D grid made up of five blocks, each with 16 threads be invoked in CUDA programming?
How can a 1D grid made up of five blocks, each with 16 threads be invoked in CUDA programming?
Which aspect of a program must be decomposed into a large number of threads to properly utilize a GPU?
Which aspect of a program must be decomposed into a large number of threads to properly utilize a GPU?
What is the primary reason for a programmer to understand how threads and warps are executed on a GPU?
What is the primary reason for a programmer to understand how threads and warps are executed on a GPU?
What happens when threads within a warp diverge due to a conditional operation?
What happens when threads within a warp diverge due to a conditional operation?
Which statement best describes the relationship between GPU memory and host memory?
Which statement best describes the relationship between GPU memory and host memory?
In the context of CUDA programming, what is the significance of operation atomicity?
In the context of CUDA programming, what is the significance of operation atomicity?
What is the primary reason why a programmer cannot directly pass a pointer to an array in the host's memory to a CUDA kernel?
What is the primary reason why a programmer cannot directly pass a pointer to an array in the host's memory to a CUDA kernel?
What percentage of multiprocessors would be idle during the execution of the last warp of each block, according to the text?
What percentage of multiprocessors would be idle during the execution of the last warp of each block, according to the text?
What type of memory allocation is needed when shared memory requirements can only be calculated at run-time?
What type of memory allocation is needed when shared memory requirements can only be calculated at run-time?
What is the purpose of the third parameter in the execution configuration's alternative syntax?
What is the purpose of the third parameter in the execution configuration's alternative syntax?
In the given example of calculating a histogram for a grayscale image, what is the maximum number of categories (bins) allowed?
In the given example of calculating a histogram for a grayscale image, what is the maximum number of categories (bins) allowed?
What is the key difference between the CUDA solution and the multithreaded solution for the histogram calculation problem?
What is the key difference between the CUDA solution and the multithreaded solution for the histogram calculation problem?
What is the purpose of using a stride in the CUDA solution for the histogram calculation problem?
What is the purpose of using a stride in the CUDA solution for the histogram calculation problem?
Which of the following best describes the concept of coalesced memory accesses in the context of CUDA programming?
Which of the following best describes the concept of coalesced memory accesses in the context of CUDA programming?