Lecture 2 â Threads - many-core.group

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<strong>Threads</strong> • Example in L1 made no use of parallel processing capability of the GPU! • We can launch multiple copies of a kernel – one per thread • A thread executes an independent instance of the kernel
<strong>Threads</strong> • Example in L1 made no use of parallel processing capability of the GPU! • We can launch multiple copies of a kernel – one per thread • A thread executes an independent instance of the kernel • Alternatively: a kernel is a program written for an individual thread to execute
Page 1 and 2: Lecture 2 - Threads Graham Pullan D
Page 3: Threads, thread blocks and shared m
Page 7 and 8: Kernel for c = a + b __global__ voi
Page 9 and 10: Threads, blocks and grid Block is s
Page 11 and 12: More on thread blocks • Thread bl
Page 13 and 14: Streaming multiprocessors and share
Page 15 and 16: Governing equation • Heat conduct
Page 17 and 18: 2D heat conduction • In 2D: ∂T
Page 19 and 20: Domain
Page 21 and 22: Results Initial field After 50000 s
Page 23 and 24: GPU strategy 1 • Start a thread f
Page 25 and 26: GPU strategy 1 - threads and blocks
Page 27 and 28: GPU strategy 1 - kernel launch code
Page 29 and 30: Performance • CPU - 1 core, Intel
Page 31 and 32: GPU strategy 2 - threads and blocks
Page 33 and 34: GPU strategy 2 - kernel (part 1) //
Page 35 and 36: Performance • CPU - 1 core, Intel
Page 37 and 38: GPU strategy 3 • Can use larger b
Page 39 and 40: GPU strategy 3
Page 45 and 46: Lecture 2 summary

Lecture 2 â Threads - many-core.group

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Lecture 2 â Threads - many-core.group