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Arithmetic Pipeline

For floating point operations

• Floating point = (mantissa, exponent)

  X=(m_x,e_x)=m_x*2^e_x
  Y=(m_y,e_y)=m_y*2^e_y

• Floating point sum

  X+Y=(m_x*2^e_x-e_y+m_y)*2^e_y

Floating point operations dominant in scientific applications!