Computer Organization TI1400 Alexandru Iosup (lecturer) Parallel and Distributed Systems Course website:

TU-Delft TI1400/12-PDS Here We Go Again… 2 Map source: Google Maps from Google Inc. Spiral clock source:

TU-Delft TI1400/12-PDS A Best Paper Memory management Linux-like = flexible + slow: protection across apps, dynamic malloc/realloc, virtualization + TLB, etc. Lightweight kernels: static virtual-to-physical mapping 3 A. Morari et al., Evaluating the TLB Misses on Future HPC Systems, IPDPS 2012, pp.1010—21. Q: Why not use only16MB pages?

TU-Delft TI1400/12-PDS A Best PhD Poster Problem Predict performance of ShMem Programs on Multicores Approach Measurement Analysis Analytical Model 4 B. Tudor and T.Y. Meng, Towards Modeling Parallelism and Energy Performance of Multicore Systems, IPDPS’12 Q: Why this shape? Q: What other sources of performance loss?

TI1400/2012 Schedule

Conceptual Map of TI1400/2012 L3. ISAs L5. IA-32/MIPS L8. Pipelining + Perf.L9. Large Sys. You are here L0. Introduction Rd. Prog. Principles L6. Basic Processing Unit L4. Assembler L7.1. Memory + Perf. L1. Digital LogicL2. Digital Data L7.1. I/O + OS

TU-Delft TI1400/12-PDS The Grading System—Learn, not Hunt Tim H. already has 4,050 points 1. Course Points2. Access Tokens3. Brownie Points 10,000 for straight correct exam Q +500 entry quiz +50 activity in Lab/Lecture/Tutorial +1,000 lab bonus # lab bonus #1 +25 correct end-lecture quiz Bonus Lab assignments Advanced topics (GPUs, clouds) Discuss w Lecturer Start with 1 Propose Exam Qs Rec. letter I will bake brownies for you! (but not force you to eat them) +1,000 team self-study

TU-Delft TI1400/12-PDS Access: Advanced Topics HB09.130, 09:00 to 11:00 June 1, Cloud Computing June 18, GPU and Multi-Core Computing Access Top 10 score Top 5 course/tutorial activity Top 5 end-lecture quiz Another 10 seats open, announced May 31 8 Tim H. Laurens V. Koos vdL. Remco dW. Niels S. Tiemen J. Kevin vN. Erwin vE. Dimitri S. Robert L. Alexander P. Yanick vL. Martijn dV. Ginger G. Lucas vD. Rik N. Dirk S. Jesse D. Stefan H.

TU-Delft TI1400/12-PDS +1,000 Points for Team Self-Study Assignment Solve all problems for 5 of the 7 chapters from the Hamacher book we cover in this course. Work in a team. Teams already set. Deadline The ante-last tutorial (instructie), May 31 Reward +1,000 points for each member of the team, unless free-riding (meelifting) Requirement for access to lab bonuses 9

TU-Delft TI1400/12-PDS Lab: Prerequisites Teaching Assistants: Mihai Capota and Niels Zeilemaker Student Assistants: Bart, Anand, Maarten, Maurice, Ruben Register via CPM [ ] 10

TU-Delft TI1400/12-PDS Lab: Manual Same mandatory exercises New extra assignments ti1400-files/ti1400-manual.pdf ti1400-files/ti1400-manual.pdf 11

TU-Delft TI1400/12-PDS Laboratory (+Bonus Exercises) Goal: practical experience with assembly (mandatory) Goal: lots of work, lots of fun … +500 to 1,500 points Bonus topics High-performance data privacy … in assembly An interactive game … in assembly Access to bonus Complete the 5 mandatory exercises in the first 2 sessions Activity points at course and/or tutorial Self-study assignment complete 12 More SAs More hours

TU-Delft TI1400/12-PDS Questions? Course website: