Memory bank conflicts + Advanced GPU algorithms

30 Novembro 2023, 16:30 • Alcides Fonseca

• Memory Bank Conflicts
• Thread Divergence (review)
• Shared memory usage (review)
• Advanced Algorithms: Reduction, Prefix Sum, Filter, QuickSort

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Student support

23 Novembro 2023, 18:30 • Alcides Fonseca

Student support

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Test + Guest Lecture

23 Novembro 2023, 16:30 • Alcides Fonseca

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Exercise Sheet 06 (cont)

16 Novembro 2023, 18:30 • Alcides Fonseca

Exercise Sheet 06

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GPGPU

16 Novembro 2023, 16:30 • Alcides Fonseca

• The GPU hardware model (Multiprocessors and Warps)
• The GPU Memory model (Global memory, Shared Memory and Local/Private memory)
• Threads and Blocks, how to choose the 3D grid and block size. Dynamically loading the GPU properties.
• Block-wide barriers with __syncthreads;
• Atomics on the GPU
• How to make use of Shared Memory to reduce conflicts  and have faster access times.
• OpenCL
• Write GPGPU code from Java (JavaCL) and Python (PyCuda and Numba)

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