1. MatFree SPICE
Progress & Strategy

2. Implementation
● Model-Eval
Converges
● Is consistent with
direct-solve.
Model Model
Δt
Solve Eval ● Next:
– Plug into 3F5

3. Questions asked
✔ Converges?
✔ Consistent with direct-solve?
● Number of iterations to convergence?
● Circuit depth?
● Power?

4. Iterations to Convergence
1 FPGA?
t
Sequential
MatFree
0 # PE's

5. Iterations to Convergence
t
N0.7
N0 + d + k
N0 + k
0 # devices

6. Depth

7. Depth

8. FPGA communications cost
Model Model
Solve Evaluate

9. Strategy
● Identify convergence criteria
● Identify effect of circuit depth on convergence
time
● Identify possible power savings over
sequential solve