Course: Programming Techniques for Supercomputers 2022

Section outline

Select section General

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General

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This course covers the basics of high performance computing (HPC). This includes an introduction to processor and HPC system architectures, optimization and performance modeling, and parallel programming on shared- and distributed-memory parallel computers. Necessary prerequisites are a working knowledge about UNIX/Linux environments and at least one programming language out of the set {C, C++, Fortran}. We do not have the time to teach UNIX or programming basics in this course.
Lecturer: Prof. Gerhard Wellein, Martensstr. 3, Room 1.131-113
Lecture times and rooms: Monday 4:30 p.m. - 6:00 p.m. in H10; Thursday 8:15 a.m. - 9:45 a.m. in H6
First lecture: Monday, April 25, 4:15 p.m.
Tutorial times and rooms: Tuesday 8:15 a.m. - 9:45 a.m. in 02.133-113; Wednesday 10:15 a.m. - 11:45 a.m. in 02.134-113
First tutorial: Tuesday, April 26, 8:15 a.m.
Your homework credits will entitle you to a grade boost. See the slides of the first lecture for details.

Important: Please enroll in this course in the Moodle system (you have to register in Moodle to get a Moodle account; after that you can enroll in the lecture). If you don't enroll, you will miss important information.
- Select activity Announcements
  
  Announcements Forum
- Select activity Open discussion forum (free for all)
  
  Open discussion forum (free for all)
Select section 25 April - 1 May

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25 April - 1 May
Please register in the Moodle system with your e-mail address and enroll in this course so we can send messages to all students. This will also enable you to participate in online discussions etc.
Please e-mail your name and IdM account to georg.hager@fau.de so we can set up your account for the HPC systems. Please use your university (fau.de) e-mail address. Please also indicate whether you are a CAM student. You will receive an e-mail with instructions about how to activate your account. In order to log in, you have to use an SSH public/private key pair; password-based login is not allowed. Details about login procedures etc. will be presented in the first tutorial sessions on April 26 and 27.
- Select activity Slide set 1 (April 25)
  
  Slide set 1 (April 25) File
- Select activity Slide set 2 (April 28)
  
  Slide set 2 (April 28) File
- Select activity Tutorial kick-off slides (updated 04/27 11:21 am)
  
  Tutorial kick-off slides (updated 04/27 11:21 am) File
- Select activity Video recording (IdM login required)
  
  Video recording (IdM login required)
Select section 2 May - 8 May

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2 May - 8 May
- Select activity Slide set 3a (May 2)
  
  Slide set 3a (May 2) File
- Select activity Linux shell intro for CAM students (May 4)
  
  Linux shell intro for CAM students (May 4) File
- Select activity Video recording of Linux shell intro
  
  Video recording of Linux shell intro
- Select activity Assignment 0: Warming up (due May 6)
  
  Assignment 0: Warming up (due May 6)
Select section 9 May - 15 May

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9 May - 15 May
Important: There is a change in this week's lecture times:
Monday (May 9): 16:30 - 18:15
Thursday (May 12): 8:00 - 9:00

Important: PTFS tutorial (May 11) will start at 10:00 am sharp.
- Select activity Slide set 3b (updated May 23)
  
  Slide set 3b (updated May 23) File
- Select activity C introduction slides for CAM students (May 11)
  
  C introduction slides for CAM students (May 11) File
- Select activity Video recording of C introduction (from last year)
  
  Video recording of C introduction (from last year)
- Select activity Assignment 1: Loop kernels, π reloaded (due May 13)
  
  Assignment 1: Loop kernels, π reloaded (due May 13)
Select section 16 May - 22 May

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16 May - 22 May
- Select activity Slide set 4 (May 16)
  
  Slide set 4 (May 16) File
- Select activity Assignment 2: Core performance, SIMD, cache lines (due May 20 11:59 p.m.)
  
  Assignment 2: Core performance, SIMD, cache lines (due May 20 11:59 p.m.)
Select section 23 May - 29 May

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23 May - 29 May
No lecture on Thursday, May 26 (public holiday)
- Select activity Slide set 5 (updated May 23)
  
  Slide set 5 (updated May 23) File
- Select activity Assignment 3: Peak performance, peak bandwidth, code balance (due May 27 11:59 p.m.)
  
  Assignment 3: Peak performance, peak bandwidth, code balance (due May 27 11:59 p.m.)
Select section 30 May - 5 June

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30 May - 5 June
Please note the following changes for this week:
No lecture on Monday, May 30
The lecture on Thursday, June 2 will be conducted via Zoom
- Select activity Slides for PTfS lecture about hardware performance counting (updated)
  
  Slides for PTfS lecture about hardware performance counting (updated) File
- Select activity Video recording of lecture on Thursday (June 2)
  
  Video recording of lecture on Thursday (June 2) URL
- Select activity Assignment 4: Code optimization, multicore power (due June 3 11:59 p.m.)
  
  Assignment 4: Code optimization, multicore power (due June 3 11:59 p.m.)
Select section 6 June - 12 June

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6 June - 12 June
Please note the changes for this week: No Tutorial on Wednesday, June 8. You can either attend the tutorial in Tuesday slot (June 7, 8:15 a.m. - 9:45 a.m.) or use the recording.
- Select activity Slide set 6 (June 9)
  
  Slide set 6 (June 9) File
- Select activity Slide set 7 (June 9)
  
  Slide set 7 (June 9) File
- Select activity Assignment 5: Performance counters, energy to solution (due June 10 11:59 p.m.)
  
  Assignment 5: Performance counters, energy to solution (due June 10 11:59 p.m.)
Select section 13 June - 19 June

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13 June - 19 June
- Select activity Slide set 8 (June 13)
  
  Slide set 8 (June 13) File
- Select activity Project introduction for CAM students (slides updated)
  
  Project introduction for CAM students (slides updated) File
- Select activity Video recording of PTfS-CAM project introduction o...
  
  Video recording of PTfS-CAM project introduction on Friday (June 17)
- Select activity Assignment 6: Resource-driven modeling, energy to solution, EDP (due June 17 11:59 p.m.)
  
  Assignment 6: Resource-driven modeling, energy to solution, EDP (due June 17 11:59 p.m.)
Select section 20 June - 26 June

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20 June - 26 June
Extra lecture on Tuesday, June 21, 4:30 p.m., Room: H10
- Select activity Slide set 9 (June 20)
  
  Slide set 9 (June 20) File
- Select activity Slide set 10 (June 21)
  
  Slide set 10 (June 21) File
- Select activity Assignment 7: Machine topology, Basic OpenMP (due June 24 11:59 p.m.)
  
  Assignment 7: Machine topology, Basic OpenMP (due June 24 11:59 p.m.)
Select section 27 June - 3 July

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27 June - 3 July
Extra lecture on Tuesday, June 28, 4:30 p.m., Room: H10
- Select activity Slide set 11 (June 27)
  
  Slide set 11 (June 27) File
- Select activity Assignment 8: More OpenMP (due July 5 6:00 p.m.)
  
  Assignment 8: More OpenMP (due July 5 6:00 p.m.)
Select section 4 July - 10 July

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4 July - 10 July
No tutorial on July 5! The tutorial on July 6 will take place as usual and a recording will be available afterwards.
- Select activity Slide set 11b (July 4)
  
  Slide set 11b (July 4) File
- Select activity Slide set 14 (July 7)
  
  Slide set 14 (July 7) File
- Select activity Slides for 2nd CAM tutorial (July 8)
  
  Slides for 2nd CAM tutorial (July 8) File
- Select activity Video recording of CAM tutorial on Friday (July 8)
  
  Video recording of CAM tutorial on Friday (July 8)
- Select activity Assignment 9: Ray tracing, performance modeling (due July 10 11:59 a.m.)
  
  Assignment 9: Ray tracing, performance modeling (due July 10 11:59 a.m.)
Select section 11 July - 17 July

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11 July - 17 July
Please note the following changes for this week:
Extra lecture on Tuesday, July 12 at 4:30 p.m., Room H10.
No lecture on Thursday.
- Select activity Slide set 15 (July 11)
  
  Slide set 15 (July 11) File
- Select activity Assignment 10: More stencils, slow computing (due July 15 11:59 p.m.)
  
  Assignment 10: More stencils, slow computing (due July 15 11:59 p.m.)
Select section 18 July - 24 July

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18 July - 24 July
Please note that the tutorial on Wednesday will begin at 10:00 a.m. sharp.
- Select activity Slide set 16 (July 18)
  
  Slide set 16 (July 18) File
- Select activity Slide set 17 (July 18)
  
  Slide set 17 (July 18) File
- Select activity Slide set 18 (July 18)
  
  Slide set 18 (July 18) File
- Select activity Assignment 11 (last): Halo exchange, networks, ray tracer reloaded (due July 25 11:59 a.m.)
  
  Assignment 11 (last): Halo exchange, networks, ray tracer reloaded (due July 25 11:59 a.m.)
Select section 25 July - 31 July

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25 July - 31 July
- Select activity Slide set 19 (July 25)
  
  Slide set 19 (July 25) File
- Select activity Slide set 20 (July 28)
  
  Slide set 20 (July 28) File
Select section Misc info

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Misc info
The date and time of the written PTfS exam is October 14, 2:00 p.m. - 3:30 p.m.
Room: 11901.00.227 (H9 Werner-von-Siemens - Hörsaal)
Select section PTfS-CAM

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PTfS-CAM