### Teaching Assistants

• Online

#### Class Times

• Lecture: Friday, 10:15 – 12:00 (online – link to recordings below)
• Exercise: Friday, 08:15 – 10:00 (online)

#### Computer Rooms

• HG E26.1, E26.3, E27

The environment provided by these computers is similar to the exam environment.

#### Exam Material

• Documentation available during the exam: zip (400 MB)

### Schedule and Lecture Slides

 18.09.2020 Introduction: Slides, Video 25.09.2020 Cache and concurrency: Slides, Video, Slides (matrix multiplication cache) 02.10.2020 PCA: Slides, Video 09.10.2020 OpenMP – Part I: Slides Power Method: Slides, Video 16.10.2020 OpenMP – Part II: Slides (starting from slide 61), Video 23.10.2020 Autoencoders / NN / Dimensionality Reduction: Slides, Video 30.10.2020 HPC libraries: Linear algebra / ISA & Instruction-Level Parallelism: Slides, Video 06.11.2020 Data-Level Parallelism & Vectorization: Slides, Slides (animation), Video 13.11.2020 MPI – Part I: Slides, Video 20.11.2020 MPI – Part II: Slides, Video 27.11.2020 Diffusion – Random Walks and Finite Differences. Slides, Video 04.12.2020 The Roofline Model. Slides, Video 11.12.2020 MPI – Part III: Slides, Video 18.12.2020 (see Tutorials section)

### Exercises

The exercises begin in the second week of the semester.

 Date TA Exercise Handout Solution 02.10.2020 Georgios Arampatzis Set 1. Amdahl’s Law, Cache git 16.10.2020 Sergey Litvinov Set 2. OpenMP git 30.10.2020 Martin Boden Set 3. PCA and Oja's Rule git 13.11.2020 Michalis Chatzimanolakis Set 4. Vectorization and MPI git 27.11.2020 Lucas Amoudruz Set 5: MPI and roofline model git 11.12.2020 Petr Karnakov Set 6: MPI IO, Hybrid MPI + OpenMP, ADI git

### Tutorials

 Date TA Session Handout 25.09.2020 Georgios Arampatzis Tutorial 1. C++, Makefiles, Euler 09.10.2020 Martin Boden Tutorial 2. PCA, performance metrics 23.10.2020 Michail Chatzimanolakis Tutorial 3. Debugging 06.11.2020 Sergey Litvinov Tutorial 4. Libraries, BLAS 20.11.2020 Petr Karnakov Tutorial 5. Visualization 04.12.2020 Lucas Amoudruz Tutorial 6. Cell Lists 18.12.2020 Mockup exam

### Exam

Computer based session examination involving theoretical questions and coding problems. You are allowed to bring a handwritten summary of 4 A4 sheets, written on the front and back pages (8 pages total). In addition, we will provide you with the following material:

• Lecture slides
• Exercise solutions
• Additional lecture notes distributed during the lecture
• OpenMP specification and reference card (pdf)
• MPI standard and reference card (pdf)
• Offline version of cppreference.com