Module 18: Loop Optimizations
  Lecture 35: Amdahl’s Law
 


Life Time Range Splitting

  • Rename second occurrence of A
    for I=1,100
      A=...... S1
      B=......A.... S2
      A'=...... S3
      C=......A'.... S4
      endfor  

Expansion of All Scalar Variables

For I=1,100
A[I]=........
B[I]=....A[I]...
A’[I]=......
C[I]=.....A’[I]....
endfor
S1
S2
S3
S4