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Fast Hadamard Transform 1024

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Nov 27th, 2015
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  1. n = 1024
  2. determining the best chunk size for float
  3. chunk size 8: 3.96722e-06
  4. chunk size 16: 2.90187e-06
  5. chunk size 32: 2.23708e-06
  6. chunk size 64: 1.95333e-06
  7. chunk size 128: 1.79554e-06
  8. chunk size 256: 1.72324e-06
  9. chunk size 512: 1.71697e-06
  10. chunk size 1024: 1.66184e-06
  11. best chunk: 1024
  12. best time: 1.66184e-06
  13. determining the best chunk size for double
  14. chunk size 8: 6.58146e-06
  15. chunk size 16: 4.82123e-06
  16. chunk size 32: 3.89394e-06
  17. chunk size 64: 3.43806e-06
  18. chunk size 128: 3.36214e-06
  19. chunk size 256: 3.15839e-06
  20. chunk size 512: 3.25987e-06
  21. chunk size 1024: 3.40778e-06
  22. best chunk: 256
  23. best time: 3.15839e-06
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