\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{nash}
\pdfinfo{
  /Title (ghc-and-rts-options.pdf)
  /Creator (Cheatography)
  /Author (nash)
  /Subject (GHC and RTS Options Cheat Sheet)
}

% Lengths and widths
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\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}{144BFF}
\definecolor{LightBackground}{HTML}{F0F3FF}
\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{GHC and RTS Options Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{nash} via \textcolor{DarkBackground}{\uline{cheatography.com/2497/cs/672/}}}
\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}nash \\
  \uline{cheatography.com/nash} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 23rd November, 2012.\\
   Updated 13th May, 2016.\\
   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{multicols*}{3}

\begin{tabularx}{5.377cm}{x{3.33459 cm} x{1.64241 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Profiling}}  \tn
% Row 0
\SetRowColor{LightBackground}
profiling & -prof \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
show runtime-system statistics & +RTS -T \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
save runtime-system statistics to {\emph{file}} & +RTS -t{\emph{file}} \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
all bindings not marked INLINE & -fprof-auto \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
all top-level bindings not marked INLINE & \seqsplit{-fprof-auto-top} \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
all exported bindings nto marked INLINE & \seqsplit{-fprof-auto-exported} \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
all call sites & \seqsplit{-fprof-auto-calls} \tn 
% Row Count 13 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.89126 cm} x{3.08574 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Flow of Heap Profiling}}  \tn
% Row 0
\SetRowColor{LightBackground}
compiling with & -prof -fprof-auto -rtsopts \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
running with & +RTS -h \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
visualizing with & hp2ps *.hp \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
colored OUTPUT & hp2ps -c *.hp \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{4.4793 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{- category setting}}  \tn
% Row 0
\SetRowColor{LightBackground}
break by cost-center & -hc \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
break by module & -hm \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
break by constructor/closure & -hd \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
break by type & -hy \tn 
% Row Count 4 (+ 1)
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{4.18068 cm} p{0.79632 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{- hp2ps options}}  \tn
% Row 0
\SetRowColor{LightBackground}
place rough bands on top & -d \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
big box for title & -b \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
EPS for latex & -e \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
for preview & -g \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
limit to {\emph{n}} bands & -m{\emph{n}} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
use the previous parameters & -p \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
color output & -c \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
ignore marks & -y \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
print help & -? \tn 
% Row Count 9 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.74195 cm} x{3.23505 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Flow of Time Profiling}}  \tn
% Row 0
\SetRowColor{LightBackground}
compiling with & -prof -fprof-auto -rtsopts \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
running with & +RTS -p \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
OUTPUT & *.prof \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.74195 cm} x{3.23505 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Flow of Stack Trace}}  \tn
% Row 0
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compiling with & -prof -fprof-auto -rtsopts \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
running with & +RTC -xc \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.23965 cm} x{2.73735 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Flow of Code Coverage}}  \tn
% Row 0
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compiling with & -fhpc \tn 
% Row Count 1 (+ 1)
% Row 1
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running & no options need \tn 
% Row Count 2 (+ 1)
% Row 2
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reporting & hpc report {\emph{tix file}} \tn 
% Row Count 3 (+ 1)
% Row 3
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making html files & hpc markup {\emph{tix file}} \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Coverage data is stored in *.tix file.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.33459 cm} x{1.64241 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{- hpc options}}  \tn
% Row 0
\SetRowColor{LightBackground}
display help & hpc help \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
report coverage & hpc report \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
make html files & hpc markup \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
sum multiple coverages & hpc sum \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
combine two coverages & hpc combine \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
show in verbose mode & hpc show \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
display version & hpc version \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.38896 cm} x{2.58804 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Optimization}}  \tn
% Row 0
\SetRowColor{LightBackground}
optimization level & -O{\emph{n}}           ({\emph{n}} =1,2,3,4) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
no optimization & -O0 \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
make constructor fields strict & \seqsplit{-funbox-strict-fields} \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
static argument transformation & \seqsplit{-fstatic-argument-transformation} \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
for IO/ST monad & -fno-state-hack \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.04057 cm} x{2.93643 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{RTS options for GC}}  \tn
% Row 0
\SetRowColor{LightBackground}
allocation area size & -A{\emph{size}} (default: 512KB) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
suggested heap size & -H{\emph{size}} (default: 0KB) \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
maximum heap size & -M{\emph{size}} (default: unlimited) \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.88206 cm} p{1.09494 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Backends}}  \tn
% Row 0
\SetRowColor{LightBackground}
Native Code Generator & -fasm \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
LLVM & -fllvm \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{-fvia-c is obsolete.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.23505 cm} x{1.74195 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{SMP Parallelism}}  \tn
% Row 0
\SetRowColor{LightBackground}
use thread & -threaded \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
avoid repeated computation of thunks & \seqsplit{-feager-blackholing} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
avoid waiting & \seqsplit{-fno-strictness} \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
use {\emph{n}} threads & +RTS -N{\emph{n}} \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
use all processors & +RTS -N \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
pin threads & +RTS -qa \tn 
% Row Count 8 (+ 1)
% Row 6
\SetRowColor{LightBackground}
enable auto thread migration & +RTS -qm \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.73275 cm} x{1.24425 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{- debug parallelism}}  \tn
% Row 0
\SetRowColor{LightBackground}
make eventlog of parallel sparks (sampled) & -lp (default) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
make eventlog of parallel sparks (fully accurate) & -lf \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{eventlog is stored as *.eventlog}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}