PSA

class: titlepage numbers

.title[
Advanced Scientific Programming
]

.subtitle[
`PSA` - N. Dubray - ENSIIE - 2018
]

.wauto[
```C++
#include <Python.h>
#include "solver.h"

static PyObject * calc_system(PyObject *self, PyObject *args)
{
  const char *string;
  int val;

  if (!PyArg_ParseTuple(args, "s", &string)) return NULL;

  Solver s(string);
  val = s.getVal();

  return Py_BuildValue("i", val);
}
```
]

.footnote[
[:book:](../index.html)
]

---

layout: true
class: animated fadeIn middle numbers

.footnote[
`PSA` - N. Dubray - ENSIIE - 2018 - [:book:](../index.html)
]

---

# These slides

.hcenter.w20[![](images/github-octocat.png)]

.block.hcenter.w100[
* You can **freely** download, modify and use these slides.
* Do not hesitate to make some **pull requests** if you want to share your modifications.
* Repository: [https://github.com/dubrayn/dubrayn.github.io](https://github.com/dubrayn/dubrayn.github.io).
* Online slides: [http://dubrayn.github.io](http://dubrayn.github.io).
]

.vspace[]

.block.hcenter.w100[
To view these slides **locally** with `chromium-browser`:
```shell
$ chromium-browser --allow-file-access-from-files index.html
```
]

.vspace[]

.block.hcenter.w100[
To view these slides **locally** with `firefox`:
1. go to `about:config`,
2. search for the `origin_policy` pattern,
3. set the property `security.fileuri.strict_origin_policy` to `false`.
]

---

# Author

## N. Dubray - [`noel.dubray@gmail.com`](mailto:noel.dubray@gmail.com)
* *job:* researcher at the CEA (french alternative energies and atomic energy commission)
* *field:* theoretical nuclear physics
* *research subject:* microscopic description of the fission process
* *skills:* scientist / developer / HPC user / sysadmin

.hcenter.shadow.w50[![](images/density.png)]
.hcenter[Example of a simulated fissioning nucleus]

---

# Courses / project

## Schedule
.hcenter[
| Time          | 04/13         | 04/27         | 05/04                  | 05/18         | 05/25         | 06/01                  |
|:-------------:|:-------------:|:-------------:|:----------------------:|:-------------:|:-------------:|:----------------------:|
| 9:00  - 10:45 | **Course #0** | **Course #2** | **Course #4**          | **Course #5** | **Course #7** | **Course #9**          |
| 11:00 - 12:45 | Project       | Project       | Project                | Project       | Project       | Project                |
| 14:00 - 15:45 | **Course #1** | **Course #3** | .redb[Presentation #0] | **Course #6** | **Course #8** | .redb[Presentation #1] |
| 16:00 - 17:45 | Project       | Project       | .redb[Presentation #0] | Project       | Project       | .redb[Presentation #1] |
]

.vspace[]

.noflex[
.rightf.w30[
.hcenter[![](images/slides.png)]
.hcenter[[source: xkcd](https://xkcd.com/365)]
]

## Presentations
* slides [~20min] + discussion / questions [~10min]
* .redb[presentation #0: weight 1.0] (mid-project)
* .redb[presentation #1: weight 2.0] (final)

.vspace[]

## Teamwork
* 2 students per team
* **mandatory** `git` use
]

---

# Content

.hcenter.w85.row[
.w42[

## 1. project presentation
* TD-Schrödinger equation
* special cases
* Finite Difference Method

## 2. programming techniques
* `python` bindings
 * `python` and `C`
 * `swig`
* errors / exceptions
 * in `C++`
 * in `python`
 * with `swig`
* threads / OpenMP
* MPI master / slaves model

.hcenter[:arrow_right: **mid-project presentation**]
]

.w42[

## 3. live monitoring
* `JSON`
* with a database
* socket / named pipe
* `REST API`

## 4. restart mechanism

## 5. data persistence
* `JSON`
* `pickle`
* `MPI-IO`
* MongoDB

## 6. data visualization
* `VTK`
* Paraview

.hcenter[:arrow_right: **final presentation**]
]
]