diff --git a/main.tex b/main.tex
index 40613f2..5e05214 100644
--- a/main.tex
+++ b/main.tex
@@ -4,6 +4,8 @@
 \usepackage{subcaption}
 \usepackage{xspace}
 %\usepackage{multirow}
+\usepackage{algorithm}
+\usepackage{algpseudocode}
 \newcommand{\feedback}[1]{[[\textcolor{blue}{#1}]]}
 \newcommand{\bfcaption}[1]{\caption{\bf #1}}
 \newcommand{\trimfigurespacing}{\vspace*{-4mm}}
@@ -16,6 +18,11 @@
 \newcommand{\optspeed}{70\%}
 \newcommand{\facebook}{Facebook\xspace}
 \newcommand{\schedutil}{\texttt{schedutil}\xspace}
+\newcommand{\fenergy}{$\textit{f}_{pow}$ }
+\newcommand{\fperf}{$\textit{f}_{max}$ }
+\newcommand{\fmemory}{$\textit{f}_{mem}$ }
+\newcommand{\memory}{cache bound }  % memory access
+\newcommand{\Memory}{Cache bound }
 
 \setcopyright{acmcopyright}
 \copyrightyear{2023}