GTC 2012 - GPU Technology Conference

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FFT Performance N=256 tweaked library 5 n log(n) GTC'12 May 14-17, 2012 18
Clock Correction corrects cable length errors merge with next step (phase delay) GTC'12 May 14-17, 2012 19
Page 1 and 2: Signal Processing on GPUs for Radio
Page 3 and 4: Intro: Radio Telescopes GTC'12 May
Page 5 and 6: LOFAR: A Software Telescope differ
Page 7 and 8: Square Kilometre Array future radi
Page 9 and 10: Rationale 2005: LOFAR needed super
Page 11 and 12: CUDA or OpenCL OpenCL advantages
Page 13 and 14: Poly-Phase Filter (PPF) bank FIR f
Page 15 and 16: Performance Measurements maximum f
Page 17: 2) FFT 1D complex ➜ complex 16
Page 21 and 22: 4) BandPass Correction powers in c
Page 23 and 24: Combined Kernel combine: delay co
Page 25 and 26: 5) Correlator see previous talk (S
Page 27 and 28: Correlator #Threads #threads 1024 7
Page 29 and 30: Combined Pipeline full pipeline 2
Page 31 and 32: Performance Breakdown GTX 580 domi
Page 33 and 34: Performance Breakdown HD 7970 mult
Page 35 and 36: Are GPUs Efficient GTX 680 Blue Gen
Page 37 and 38: Future Optimizations combine more
Page 39 and 40: Part 2: Creation of Sky Images GTC'
Page 41 and 42: Creating a Sky Image convolve corr
Page 43 and 44: Two Problems corr conv (~100x100) 1
Page 45 and 46: This Is A Hard Problem 400 50 350 4
Page 47 and 48: This Is A Hard Problem 400 50 350 4
Page 49 and 50: Where Is The Data corr conv (~100x1
Page 51 and 52: Use Locality corr conv reduce #mem
Page 53 and 54: An Unintuitive Approach corr conv
Page 61 and 62: Performance Measurements GTC'12 May
Page 63 and 64: GTX 680 Performance (CUDA) GTX 680
Page 65 and 66: HD 7970 Performance (OpenCL) mediu
Page 67 and 68: Multi-GPU Scaling eight Nvidia GTX
Page 69 and 70:
Compared To Other GPU Gridders 1) M
Page 71 and 72:
Future Work LOFAR gridder combine
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GTC 2012 - GPU Technology Conference

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