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Kan-Han (John) Lu
Kan-Han (John) Lu
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CUDA Speedup for DVC System Members: 黃琮閔 [email_address] 王品翔 [email_address] 呂侃翰 698470271 Presented by 王品翔 GPU Programming Final presentation
Topic Review ,[object Object],[object Object],[object Object],Low-complexity encoder High-complexity decoder
Project Goal ,[object Object],[object Object],-> Side Information Generation : Motion estimation procedure LPDC SI Generation ->CUDA speedup by 小小白學姐 DISCOVER codec
[object Object],[object Object],Step 1) Low-pass Filter : Step 2) Upsampling (FIR Filter) : Step 3) Forward Motion Estimation : Step 4) Bidirectional Motion Estimation : Step 5) Motion Filter and Compensation : 2 ms 63 ms 442 ms 1 ms 1 ms 12% 87% Total (avg.)= 510 ms CUDA Speedup! 10 ms -> 77ms
[object Object],[object Object],Step 1) Low-pass Filter : Step 2) Upsampling (FIR Filter) : Step 3) Forward Motion Estimation : Step 4) Bidirectional Motion Estimation : Step 5) Motion Filter and Compensation : 2 ms 63 ms 10 ms 1 ms 1 ms 4% 78% 13% 2% 2% Total (avg.)= 77 ms CUDA Speedup! 7 ms -> 21ms (sequential / parallel = 24)
Demo 1.Sequential Mode 2.CUDA Mode
Thank you

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Final

  • 1. CUDA Speedup for DVC System Members: 黃琮閔 [email_address] 王品翔 [email_address] 呂侃翰 698470271 Presented by 王品翔 GPU Programming Final presentation
  • 2.
  • 3.
  • 4.
  • 5.
  • 6. Demo 1.Sequential Mode 2.CUDA Mode

Editor's Notes

  1. 我們為什麼會想要去加速這個 DVC codec Complexity decoding 試著找出主要的 CO 作加速 1
  2. 那我們實際做加速的部分 d vc decoder 理的 SI generation 這一塊 這一塊基本上就是做 ME 那傳 這一塊是最耗時的部分 主不過現在是搬到 decoder 作 部過 DVC 最耗時的部分是在 然後我有一個實驗室學姐 順論 DVC 讀 LDPC 加速 基於他的系統去改 SI 這一塊 主要是為了 只脞門比較