=====Journal of Lessons, SPD year 2020-2021====
====Journal====

  * 15/02/2021 **NO LESSON**
  * 17/02/2021 **Course introduction** -- Parallel programming frameworks and high-level approach to parallel programming over different platforms: MPI, TBB, OpenCL as main examples, oneAPI and SYCL as unifying approaches; course organization and prerequisites; reference books and studying material. \\ -- ** MPI (Message Passing Interface) standard ** --  brief history and aim of the standard, single program / multiple data execution model, compilation and linkage model; issues in supporting multiple programming languages and uses (application, utility library and programming language support) with a static compilation and linkage approach. Portability in parallel programming: functional and non-functional aspects, performance tuning and performance debugging. **MPI basic concepts** MPI as a parallel framework that supports a structured approach to parallel programming. Basic concepts of MPI: communicators (definition, purpose, difference between inter and intra-communicators, process ranks). 
  * 22/02/2021 **NO LESSON**
  * 24/02/2021 **MPI basic concepts** -- Point to point communication (concepts of envelope, local/global completion, blocking/non-blocking primitive, send modes); collective communications (definition, communication scope, global serialization, freedom of implementation in the standard); MPI datatypes (basic meaning and use, primitive / derived datatypes); MPI Datatypes relationship with sequential language types. MPI library initialization and basic MPI usage; point to point communication semantics (buffer behaviour, receive, status objects, MPI_PROC_NULL); MPI primitive datatypes. 
  * 01/03/2021 **MPI** – Derived MPI datatypes (purpose as explicitly defined meta-data provided to the MPI implementation, multiple language bindings, code-instantiated metadata, examples). MPI datatypes semantics: typemap and type signature (matching rules for communication, role in MPI-performed packing and unpacking); core primitives for datatype creation ( MPI_Type_* : contiguous, vector, hvector, indexed, hindexed, struct; commit, free) and examples. Point to point communication modes (MPI_BSEND, MPI_SSEND; MPI_RSend usage); non-blocking communication (Wait and Test group of primitives, semantics, MPI_Request object handles to active requests); canceling and testing cancellation of non-blocking primitives (issues and pitfalls, interaction with MPI implementation, e.g. MPI_finalize).
  * 03/03/2021 ** Interested students (either of this academic year or any previous one) need to contact the teacher **
  * 08/03/2021
  * 10/03/2021
  * 15/03/2021
  * 17/03/2021
  * 22/03/2021
  * 24/03/2021
  * 29/03/2021
  * 31/03/2021
  * 07/04/2021
  * 12/04/2021
  * 14/04/2021
  * 19/04/2021
  * 21/04/2021
  * 26/04/2021
  * 28/04/2021
  * 03/05/2021
  * 05/05/2021
  * 10/05/2021
  * 12/05/2021
  * 17/05/2021
  * 19/05/2021

====Slides, Notes and References to papers====

^ Date ^ Slides ^ Recordings ^ Notes ^ References / Info |
| 17/02 | {{ :magistraleinformaticanetworking:spd:2020:spd20-21_course_intro.pdf | Course introduction}} | [[https://unipiit.sharepoint.com/sites/a__td_47439/Shared%20Documents/Lezioni-test/Recordings/Riunione%20in%20_Lezioni-test_-20210217_163525-Registrazione%20della%20riunione.mp4?web=1 | MS TEAMS link 1]] |  |   |
| 17/02  | {{ :magistraleinformaticanetworking:spd:2020:mpi-lesson1.pdf | MPI lesson 1}} | [[https://unipiit.sharepoint.com/sites/a__td_47439/Shared%20Documents/Lezioni-test/Recordings/Riunione%20in%20_Lezioni-test_-20210217_172953-Registrazione%20della%20riunione.mp4?web=1 | MS TEAMS link 2]] |   |   |
| 24/02  | {{ :magistraleinformaticanetworking:spd:2020:mpi-lesson1.pdf | MPI lesson 1}}  {{ :magistraleinformaticanetworking:spd:2020:mpi-lesson2.pdf | MPI Lesson 2}} | [[https://unipiit.sharepoint.com/sites/a__td_47439/Shared%20Documents/Lezioni-test/Recordings/Riunione%20in%20_SPD%20Lessons_-20210224_163405-Registrazione%20della%20riunione.mp4?web=1 | MS TEAMS link 3]] [[https://unipiit.sharepoint.com/sites/a__td_47439/Shared%20Documents/Lezioni-test/Recordings/Riunione%20in%20_SPD%20Lessons_-20210224_174939-Registrazione%20della%20riunione.mp4?web=1 | MS TEAMS link 4]]  |   |   |
| 1/03 | {{ :magistraleinformaticanetworking:spd:2020:mpi-lesson2.pdf | MPI Lesson 2}} {{ :magistraleinformaticanetworking:spd:2020:mpi-lesson3.pdf | MPI lesson 3}} | [[https://unipiit.sharepoint.com/sites/a__td_47439/Shared%20Documents/Lezioni-test/Recordings/Riunione%20in%20_SPD%20Lessons_-20210301_142527-Registrazione%20della%20riunione.mp4?web=1 | MS TEAMS link 5]]  [[https://unipiit.sharepoint.com/sites/a__td_47439/Shared%20Documents/Lezioni-test/Recordings/Riunione%20in%20_SPD%20Lessons_-20210301_152431-Registrazione%20della%20riunione.mp4?web=1 | MS TEAMS link 6]] |  |