\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{mohan2}
\pdfinfo{
  /Title (spack-amd.pdf)
  /Creator (Cheatography)
  /Author (mohan2)
  /Subject (Spack\_AMD Cheat Sheet)
}

% Lengths and widths
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\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
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\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{A2DEA0}
\definecolor{LightBackground}{HTML}{F3FAF3}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Spack\_AMD Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{mohan2} via \textcolor{DarkBackground}{\uline{cheatography.com/129210/cs/25514/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}mohan2 \\
  \uline{cheatography.com/mohan2} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 2nd December, 2020.\\
   Updated 4th December, 2020.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.


\begin{tabularx}{17.67cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Prerequisites}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{1. Python 2 (2.6 or 2.7) or 3 (3.5 - 3.9) to run Spack} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{2. A C/C++ compiler for building} \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{3. The `make` executable for building} \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{4. The `tar`, `gzip`, `bzip2`, `xz` and optionally `zstd` executables for extracting source code} \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{5. The `patch` command to apply patches} \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{6. The `git` and `curl` commands for fetching} \tn 
% Row Count 8 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{7. If using the `gpg` subcommand, `gnupg2` is required} \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Specs \& dependencies}}  \tn
% Row 0
\SetRowColor{LightBackground}
`@` is optional version specifier (`@1.2:1.4`) & Ex: `amdfftw@2.2` \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
`\%` is optional compiler specifier & Ex:  `amdfftw@2.2 \%aocc@2.2` \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
`+` or `-` or `\textasciitilde{}` are optional variant specifiers for boolean variants & Ex:  `+debug`, `-qt`, or `\textasciitilde{}qt` \tn 
% Row Count 9 (+ 4)
% Row 3
\SetRowColor{white}
`name=\textless{}value\textgreater{}` is optional variant specifier & Ex:  `amdblis@2.2 threads=openmp` \tn 
% Row Count 12 (+ 3)
% Row 4
\SetRowColor{LightBackground}
`name=\textless{}value\textgreater{}` is optional compiler flag specifiers & Valid flag names are `cflags`, `cxxflags`, `fflags`, `cppflags`, \{\{nl\}\}`ldflags`, and `ldlibs` \tn 
% Row Count 17 (+ 5)
% Row 5
\SetRowColor{white}
`target=\textless{}value\textgreater{} os=\textless{}value\textgreater{}` are \{\{nl\}\}optional architecture specifier & Ex:  `target=zen2 os=aocc` \tn 
% Row Count 21 (+ 4)
% Row 6
\SetRowColor{LightBackground}
`\textasciicircum{}` Dependency specs & Ex: `amdfftw \textasciicircum{}openmpi@4.0.3` \tn 
% Row Count 23 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Configuration}}  \tn
% Row 0
\SetRowColor{LightBackground}
`spack config edit {[}-h{]} {[}-{}-print-file{]}` section & get and set configuration options, \{\{nl\}\} section: \seqsplit{`compilers/mirrors/repos/packages/modules/config/upstreams`} \tn 
% Row Count 6 (+ 6)
% Row 1
\SetRowColor{white}
`spack config update {[}-hy{]}` section & update configuration options \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Query packages}}  \tn
% Row 0
\SetRowColor{LightBackground}
`spack info` package & get detailed information on a \{\{nl\}\} particular packages are on disk as installed \tn 
% Row Count 5 (+ 5)
% Row 1
\SetRowColor{white}
`spack dependencies` \seqsplit{package/package\_specs} & show dependencies of a package \tn 
% Row Count 8 (+ 3)
% Row 2
\SetRowColor{LightBackground}
`spack dependents` package & show packages that depend on another \tn 
% Row Count 10 (+ 2)
% Row 3
\SetRowColor{white}
`spack find {[}-ldvf{]} {[}package{]}` & list and search installed packages \tn 
% Row Count 12 (+ 2)
% Row 4
\SetRowColor{LightBackground}
`spack graph` \seqsplit{package/package\_specs} & generate graphs of package dependency relationships \tn 
% Row Count 15 (+ 3)
% Row 5
\SetRowColor{white}
`spack list` & list and search available packages \tn 
% Row Count 17 (+ 2)
% Row 6
\SetRowColor{LightBackground}
`spack location {[}-i, -{}-install-dir{]} {[}-p, -{}-package-dir{]}` package & print out locations of packages and spack directories \tn 
% Row Count 21 (+ 4)
% Row 7
\SetRowColor{white}
`spack providers` virtual\_package & list packages that provide a particular virtual package \tn 
% Row Count 24 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Build packages}}  \tn
% Row 0
\SetRowColor{LightBackground}
`spack clean {[}-a, -{}-all{]} {[}-s, -{}-stage{]} {[}-p, -{}-python-cache{]} {[}package(s){]}` & remove temporary build files and/or \{\{nl\}\}downloaded archives \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
`spack gc {[}-y, -{}-yes-to-all{]}` & remove specs that are now no longer \{\{nl\}\}needed \tn 
% Row Count 7 (+ 3)
% Row 2
\SetRowColor{LightBackground}
`spack install {[}-j, -{}-jobs JOBS{]} {[}-v, -{}-verbose{]} {[}-{}-cache-only{]} {[}-{}-source{]}` package\_specs & build and install packages \tn 
% Row Count 12 (+ 5)
% Row 3
\SetRowColor{white}
`spack setup {[}-v, -{}-verbose{]}` package\_specs & create a configuration script and module,\{\{nl\}\} but don't build \tn 
% Row Count 16 (+ 4)
% Row 4
\SetRowColor{LightBackground}
`spack spec {[}-l, -{}-long{]} {[}-I, -{}-install-status{]}` package(s) & show what would be installed,\{\{nl\}\} given a spec \tn 
% Row Count 19 (+ 3)
% Row 5
\SetRowColor{white}
`spack uninstall {[}-R, -{}-dependents{]} {[}-y, -{}-yes-to-all{]}` package\_specs & remove installed packages \tn 
% Row Count 23 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Create packages}}  \tn
% Row 0
\SetRowColor{LightBackground}
spack create {[}-hfb{]} {[}-{}-keep-stage{]} {[}-n NAME{]}  {[}url{]} & create a new package file, url:url of package archive \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
spack edit {[}-h{]} {[}package{]} & open package files in \$EDITOR \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
spack versions {[}-hs{]} {[}-c CONCURRENCY{]} package & list available versions of a package \tn 
% Row Count 8 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Environments}}  \tn
% Row 0
\SetRowColor{LightBackground}
`spack add {[}-h{]} {[}-l LIST\_NAME{]}` package\_specs & add a spec to an environment \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
`spack concretize {[}-f, -{}-force{]}` & concretize an environment and write a lockfile \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
`spack env create  {[}-{}-without-view{]} env {[}envfile{]}` & create virtual environments \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
`spack env list` & list all virtual environments \tn 
% Row Count 11 (+ 2)
% Row 4
\SetRowColor{LightBackground}
`spack env activate {[}-v, -{}-with-view{]}` & manage virtual environments \tn 
% Row Count 13 (+ 2)
% Row 5
\SetRowColor{white}
`spack env remove {[}-hy{]} env {[}envfile{]}` & remove  virtual environments \tn 
% Row Count 15 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{System}}  \tn
% Row 0
\SetRowColor{LightBackground}
`spack arch {[}-h{]} {[}-{}-known-targets{]} {[}-p | -o | -t{]} {[}-f | -b{]}` & print architecture information about this machine \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
`spack compiler find` add\_paths & find compilers from given path \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
`spack compiler remove` compiler\_spec & remove given compiler \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
`spack compiler list` / `spack compilers` & list compilers available \tn 
% Row Count 10 (+ 3)
% Row 4
\SetRowColor{LightBackground}
`spack compiler info {[}-h{]}` compiler\_spec & show compiler information \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Developer}}  \tn
% Row 0
\SetRowColor{LightBackground}
`spack cd {[}-i, -{}-install-dir{]} {[}-p, -{}-package-dir{]}` package\_spec & cd to spack directories in the shell \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
`spack flake8` \seqsplit{specific\_files\_to\_check} & runs source code style checks on Spack. requires flake8 \tn 
% Row Count 7 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{7.0807 cm} x{10.1893 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{User environment}}  \tn
% Row 0
\SetRowColor{LightBackground}
`spack load` package\_specs & add installed package to the user environment \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
`spack unload` package\_specs & remove package from the user environment \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Extensions}}  \tn
% Row 0
\SetRowColor{LightBackground}
`spack activate` installed\_spec & activate a package extension on installed package spec \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
`spack extensions {[}-s \{packages,installed,activated,all\}{]}` package\_spec & list extensions for package \tn 
% Row Count 7 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{More help}}  \tn
% Row 0
\SetRowColor{LightBackground}
`spack docs {[}-h{]}` & open spack documentation in a web browser \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
`spack help {[}-ha{]} {[}-{}-spec{]} help\_command{]}` & get help on spack and its commands \tn 
% Row Count 6 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{5.6991 cm} x{11.5709 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{References}}  \tn
% Row 0
\SetRowColor{LightBackground}
Spack commands & \seqsplit{https://spack.readthedocs.io/en/latest/command\_index.html\#command-reference} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\seqsplit{Prerequisites} & \seqsplit{https://spack.readthedocs.io/en/latest/getting\_started.html\#prerequisites} \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Specs \& dependencies & \seqsplit{https://spack.readthedocs.io/en/latest/basic\_usage.html\#specs-dependencies} \tn 
% Row Count 9 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}



\end{document}