The document discusses the Sun T1 "Niagra" multiprocessor. It focuses on exploiting thread-level parallelism over instruction-level parallelism. The T1 has 8 processors with 4 threads each and a six-stage single-issue pipeline. Performance results are shown for the T1 using SPEC benchmarks.

1. Multiprocessors and Thread-Level Parallelism Putting it all together: Sun T1 Multiprocessor “ What makes T1 especially interesting is that it is almost totally focused on exploiting thread-level parallelism (TLP) rather than instruction-level parallelism (ILP).” Hennessy and Patterson

3. Sun T1 “Niagra” Multiprocessor

4. Sun T1 “Niagra” Multiprocessor

5. Sun T1 “Niagra” Performance

6. Sun T1 “Niagra” Performance

7. Sun T1 “Niagra” Performance

8. Overall Performance

9. Overall Performance

10. Overall Performance

11. Performance of Multicore Processors: SPEC Benchmarks

12. Performance of Multicore Processors: SPEC Benchmarks

13. Performance of Multicore Processors: SPEC Benchmarks

14. Thank you! Author: Prof. Sergio Takeo, Marcelo Arbore. Bibliography: Patterson, D. A.; Hennessy, J. L. Computer Architecture: A quantitative Approach, 4 th Ed. Morgan Kaufmann Publishers. “ What makes T1 especially interesting is that it is almost totally focused on exploiting thread-level parallelism (TLP) rather than instruction-level parallelism (ILP).” Hennessy and Patterson