What's the Fuss about Performance?
Snir and collaborators (IBM) study study 64 by 64 matrix multiplication
- DO i =1,m
- DO j = 1,p
- DO k = 1,n
- C[i][j] = C[i][j] + A[i][k]*B[k][j]
- End DO
- End DO
- End DO
On IBM RS6000 model 590
- Java JDK1.1 + JIT is 3.8 Megaflops
- IBM ESSL Library is 253 Megaflops