sha3.c: add diet-neon backend (even slower, see commit message)

scalar bench results:
  info: cpucycles: version=20240318 implementation=arm64-vct persecond=2400000000
  info: backend=scalar num_trials=50000 src_lens=64,256,1024,4096,16384 dst_lens=32
  function,dst_len,64,256,1024,4096,16384
  sha3_224,28,20.2,10.3,10.3,9.3,9.2
  sha3_256,32,20.2,10.1,10.3,9.9,9.7
  sha3_384,48,20.9,15.1,12.8,12.7,12.5
  sha3_512,64,20.2,20.2,18.9,18.0,18.0
  shake128,32,20.2,10.1,9.0,8.1,7.9
  shake256,32,20.2,10.1,10.3,9.9,9.7

neon bench results:
  info: cpucycles: version=20240318 implementation=arm64-vct persecond=2400000000
  info: backend=neon num_trials=50000 src_lens=64,256,1024,4096,16384 dst_lens=32
  function,dst_len,64,256,1024,4096,16384
  sha3_224,28,32.7,16.2,16.3,14.8,14.5
  sha3_256,32,32.7,16.2,16.3,15.8,15.4
  sha3_384,48,32.7,24.2,20.3,20.3,20.0
  sha3_512,64,32.0,32.3,30.2,28.7,29.3
  shake128,32,34.8,16.9,14.9,13.3,13.4
  shake256,32,35.5,18.1,17.4,17.2,16.4

diet-neon bench results:
  info: cpucycles: version=20240318 implementation=arm64-vct persecond=2400000000
  info: backend=diet-neon num_trials=50000 src_lens=64,256,1024,4096,16384 dst_lens=32
  function,dst_len,64,256,1024,4096,16384
  sha3_224,28,33.4,16.5,16.6,15.1,15.0
  sha3_256,32,33.4,16.5,16.6,16.1,15.9
  sha3_384,48,33.4,25.0,21.0,20.7,21.4
  sha3_512,64,33.4,34.9,33.5,31.1,32.0
  shake128,32,36.8,18.4,16.3,14.3,14.0
  shake256,32,34.1,17.7,18.2,17.6,17.3

0 files changed, 0 insertions, 0 deletions