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01/01: reppar: Augment the second part of the talk.
|
From: |
Ludovic Courtès |
|
Subject: |
01/01: reppar: Augment the second part of the talk. |
|
Date: |
Sun, 23 Aug 2015 19:51:47 +0000 |
civodul pushed a commit to branch master
in repository maintenance.
commit 0dbe47e6c3c902f98c9b1da7a95147ba9f63c7c6
Author: Ludovic Courtès <address@hidden>
Date: Sun Aug 23 21:51:10 2015 +0200
reppar: Augment the second part of the talk.
---
talks/reppar-2015/talk.tex | 171 ++++++++++++++++++++++++++++++++++++--------
1 files changed, 141 insertions(+), 30 deletions(-)
diff --git a/talks/reppar-2015/talk.tex b/talks/reppar-2015/talk.tex
index 294f367..b871f08 100644
--- a/talks/reppar-2015/talk.tex
+++ b/talks/reppar-2015/talk.tex
@@ -2,7 +2,6 @@
\usetheme{default}
-\usefonttheme{structurebold}
\usepackage{helvet}
\usecolortheme{seagull} % white on black
@@ -55,29 +54,25 @@
\setbeamercolor{frametitle in toc}{fg=white,bg=black}
\setbeamercolor{local structure}{fg=guixorange1,bg=black}
+\newcommand{\highlight}[1]{\alert{\textbf{#1}}}
+
\title{Reproducible and User-Controlled Package Management in HPC with GNU
Guix}
\author{Ludovic Courtès (address@hidden)
\\Ricardo Wurmus (address@hidden)}
-\date{\small{RepPar\\25 August 2015}}
+\date{\small{Workshop on Reproducibility in Parallel Computing
+ (RepPar)\\25 August 2015}}
\setbeamertemplate{navigation symbols}{} % remove the navigation bar
\AtBeginSection[]{
\begin{frame}
\frametitle{}
- \tableofcontents[currentsection, hideothersections]
+ \tableofcontents[currentsection]
\end{frame}
}
-\AtBeginSubsection[]{
- \begin{frame}
- \frametitle{}
- \tableofcontents[currentsection, currentsubsection]
- \end{frame}
-}
-
\begin{document}
\maketitle
@@ -282,8 +277,10 @@
}
\end{frame}
-%% \setbeamercolor{normal text}{fg=black,bg=guixyellow}
-\begin{frame}[plain]
+%% \section{Functional Package Management}
+
+%% \setbeamercolor{normal text}{fg=black, bg=black}
+\begin{frame}
\center{\huge{\textbf{functional package management}}}
\\[2em]
\begin{quote}
@@ -294,7 +291,33 @@
\end{frame}
%% \setbeamercolor{normal text}{fg=white,bg=black}
-% FIXME: Add ``Thesis'' slide here.
+\begin{frame}{Functional Package Management}
+ \Large{
+ \begin{itemize}
+ \item<3-> \textit{Caching Function Calls Using Precise Dependencies}
+ (``Vesta''), Heydon et al., 2000
+ \item \textit{A Safe and Policy-Free System for Software Deployment}
+ (``Nix''), Dolstra et al., 2003
+ \item<2-> \textit{Functional Package Management with Guix}, Courtès,
+ 2013
+ \end{itemize}
+ }
+\end{frame}
+
+\begin{frame}{Thesis}
+
+ \Large{
+ \begin{enumerate}
+ \item functional package management (FPM) \textbf{empowers cluster
+ users}
+ \item FPM is a solid foundation for \textbf{reproducible software
+ deployment}
+ \item \textbf{beyond reproducibility}: Guix is programmable, supports
+ experimentation
+ % You get the ``source of the software environment''.
+ \end{enumerate}
+ }
+\end{frame}
\begin{frame}[fragile]
\frametitle{From the Architecture of Nix...}
@@ -336,7 +359,7 @@
node[builder, onslide=<1-2>{black}] at ( 1,-0.5) {Bash, make, etc.};
&
\node[tools]{}
node[fill=white, text=black] at (0, 1) {\large{\textbf{Nix tools}}}
- node[tool] at (0, 0) {Nix language}
+ node[tool] at (0, 0) {\textbf<4->{\alert<4->{Nix language}}}
node(client)[tool] at (0, -1) {client lib};
\\
@@ -414,26 +437,23 @@
\begin{frame}[fragile]
\frametitle{Why Guix?}
+ \framesubtitle{[Courtès 2013]}
\Large{
\begin{enumerate}
\item{Scheme is a ``programmable programming language''
- \begin{itemize}
- \item we devise tailored, expressive \alert{EDSLs}
- \item can write domain-specific programs: Web UI, functions of
- packages, etc.
- \end{itemize}}
+ $\rightarrow$ \alert{tailored EDSLs}}
\item \alert{general-purpose language} with compiler, debugger,
libraries, etc.
\item \alert{a single language} $\rightarrow$ more code reuse,
unified environment
- \item \alert{\textbf{complete package programming interface}}
+ \item \highlight{complete package programming interface}
\end{enumerate}
}
\end{frame}
\begin{frame}[fragile]
- \frametitle{Reproducible Builds$^*$}
+ \frametitle{Bit-Reproducible Builds$^*$}
\framesubtitle{$^*$ almost!}
\begin{semiverbatim}
@@ -458,11 +478,14 @@
hash of \textbf{all} the dependencies};
\path[->]<2>(labelnixhash.north) edge [bend left, in=180, out=-45]
(nixhash.south);
- \draw<4> (-10pt, 105pt) [very thick, color=guixorange2, rounded
corners=8pt]
+ \draw<4-> (-10pt, 105pt) [very thick, color=guixorange2, rounded
corners=8pt]
arc (10:-50:-50pt and 110pt);
- \node<4>[fill=white, text=black, text opacity=1, opacity=.7,
+ \node<4->[fill=white, text=black, text opacity=1, opacity=.7,
rounded corners=2mm, inner sep=5mm]
at (7, 2) {\textbf{\Large{(nearly) bit-identical for everyone}}};
+ \node<5>[fill=white, text=black, text opacity=1, opacity=.7,
+ rounded corners=1mm, inner sep=3mm]
+ at (8, 1) {\url{http://reproducible.debian.net}};
\end{tikzpicture}
\end{frame}
@@ -495,7 +518,7 @@
\end{frame}
\begin{frame}
- \frametitle{Experience at the Max Delbrück Center, Berlin}
+ \frametitle{Experience at the\\Max Delbrück Center, Berlin}
\large{
\begin{itemize}
@@ -508,20 +531,106 @@
}
\end{frame}
-% FIXME: Chameleon/StarPU use case.
+%% \section{Supporting Experimentation}
+
+\begin{frame}[fragile]
+ \frametitle{Fiddling with the HPC Stack}
+ \framesubtitle{Example from Inria}
+
+ \begin{tikzpicture}[algebra/.style = {
+ text width=8cm, text centered,
+ rounded corners=2mm,
+ minimum height=2cm,
+ fill=white, text=black
+ },
+ runtime/.style = {
+ text width=8cm, text centered,
+ rounded corners=2mm,
+ minimum height=1cm,
+ top color=guixorange1,
+ bottom color=guixyellow,
+ text=black
+ },
+ system/.style = {
+ text width=8cm, text centered,
+ rounded corners=2mm,
+ fill=white, text=black,
+ minimum height=1cm
+ },
+ legend/.style = {
+ fill=black, text=white, rotate=90,
+ inner sep=0mm
+ }]
+ \matrix[row sep=1mm, column sep=1cm] {
+ \node[legend]{linear algebra}; &
+ \node[algebra]{\textbf{PaSTiX, Chameleon} (solvers)};
+ \\
+
+ &
+ \node[runtime]{\large{\textbf{StarPU}} (task scheduling)};
+ \\
+
+ \node[legend]{run-time}; &
+ \node[runtime]{\large{\textbf{hwloc}} (hardware topology)};
+ \\
+
+ &
+ \node[runtime]{\large{\textbf{MPI}} (message passing)};
+ \\
+
+ &
+ \node[system]{\large{compiler's run-time support, C~library,
+ etc.}}; \\ };
+ \end{tikzpicture}
+\end{frame}
+
+% FIXME: Add ``How do we fiddle with that?'' here. (?)
+
+\begin{frame}{HPC Developer Requirements}
+
+ \Large{
+ \begin{enumerate}
+ \item customize + non-ambiguously \highlight{specify package DAG}
+ \item reliably reproduce \highlight{variants of the DAG}
+ \end{enumerate}
+ }
+\end{frame}
+
+\begin{frame}
+ \frametitle{Limitations}
+
+ \Large{
+ \begin{itemize}
+ \item{daemon must run as root
+ \begin{itemize}
+ \item<2-> WIP: have daemon rely on \textbf{user name spaces} (Linux
+ 3.8+)
+ \end{itemize}}
+ \item{non-deterministic build systems
+ \begin{itemize}
+ \item<3->must be identified and \textbf{fixed upstream}
+ \end{itemize}}
+ \item{non-free software unavailable in Guix
+ \begin{itemize}
+ \item<4-> \textbf<4>{would you do chemistry research out of magic
+ potions?}
+ \item<5-> \textbf{reproducible research demands software freedom}
+ \end{itemize}}
+ \end{itemize}
+ }
+\end{frame}
\begin{frame}
\frametitle{Summary}
\Large{
\begin{itemize}
- \item<1-> Guix allows \alert{\textbf{cluster users}} to reproduce
+ \item<1-> Guix allows \highlight{cluster users} to reproduce
environments
- \item<2-> Guix provides \alert{\textbf{recipes}} that chefs can
+ \item<2-> Guix provides \highlight{recipes} that chefs can
inspect \& modify
- \item<3-> \alert{\textbf{composability, transparency, and
- hackability}} of software stacks are key to reproducible
- research
+ \item<3-> \highlight{composability, transparency, and hackability}
+ of software stacks are key to reproducible research
\end{itemize}
}
\end{frame}
@@ -582,3 +691,5 @@
% ispell-local-dictionary: "american"
% compile-command: "rubber --pdf talk.tex"
% End:
+
+%% LocalWords: Reproducibility