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prepare to replot iostat throughput figure

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1 parent db69a71 commit 630480f757e00321154ff94d80844e62e3d28e72 Ming committed Dec 14, 2012
Showing with 1,122 additions and 29 deletions.
  1. +29 −13 doc/report/eval.tex
  2. +1,073 −0 doc/report/figures/mris_ratio_iostat_thput.eps
  3. +8 −6 doc/report/main.aux
  4. BIN doc/report/main.dvi
  5. +12 −10 doc/report/main.log
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@@ -298,7 +298,7 @@ \subsection{MRIS Read}
Use (\ref{eqn:hybridops}) and the values in Table~\ref{tbl:variable},
we can predict the ops/sec of Hybrid. The results, together with
measured ops/sec in our benchmarks, are presented in
-Figure~\ref{fig:readesti}. We can see that the measured ops/sec
+Figure~\ref{fig:opspred}. We can see that the measured ops/sec
matches the shape of the predicted ops/sec. Moreover, the measured
ops/sec are all slightly higher than the predicted counterparts.
@@ -308,7 +308,7 @@ \subsection{MRIS Read}
\begin{centering}
\epsfig{file=figures/ratio_ops_predict.eps,width=\linewidth}
\caption{Read performance of Hybrid.}
-\label{fig:readesti}
+\label{fig:opspred}
\end{centering}
\end{figure}
@@ -329,38 +329,54 @@ \subsection{MRIS Read}
\end{array}
\end{equation}
-However, for Hybrid, the throughputs are relatively stable. Derived
-from (\ref{eqn:hybridops}), the mb/sec of Hybrid is
+\begin{figure}[t]
+\begin{centering}
+\epsfig{file=figures/mris_ratio_thput.eps,width=1.00\linewidth}
+\caption{MRIS Read Performance (mb/sec).}
+\label{fig:mrismbsec}
+\end{centering}
+\end{figure}
+
+However, for Hybrid, the throughputs in Figure~\ref{fig:mrismbsec} are
+relatively stable. Derived from (\ref{eqn:hybridops}), the mb/sec of
+Hybrid is
\begin{equation}
\label{eqn:hybridthput}
1000000 \frac{ratio * small + large}{t_{SF} * ratio + t_{LH}} .
\end{equation}
+The predicted mb/sec results, along with the benchmarked mb/sec
+results, are presented in Figure~\ref{fig:thputpred}. We observed that
+there exist significant discrepancy when ratio is small. This is
+something we need to further investigate.
+
\begin{figure}[t]
\begin{centering}
-\epsfig{file=figures/mris_ratio_thput.eps,width=1.00\linewidth}
-\caption{MRIS Read Performance (mb/sec).}
-\label{fig:mrismbsec}
+\epsfig{file=figures/ratio_ops_predict.eps,width=\linewidth}
+\caption{Read performance of Hybrid.}
+\label{fig:thputpred}
\end{centering}
\end{figure}
\NOTE{Ming}{TODO: consitify terms, such as images and objects, HDD and
SATA}
-The results are shown in Figure~\ref{fig:mrisopssec}. Specifically,
-the speedup for Facebook and Wikipedia workload is XXX and YYY.
+We have also measured the throughput (mb/sec) went to each drive using
+iostat. The results are shown in Figure~\ref{fig:mrisiostat}. We
+observed that the throughput reported by iostat is much larger than
+that in Figure~\ref{fig:mrisopssec}.
\begin{figure}[t]
\begin{centering}
-\epsfig{file=figures/mris_ratio_iostat_ops.eps,width=1.00\linewidth}
-\caption{MRIS Read Performance by iostat}
+\epsfig{file=figures/mris_ratio_iostat_thput.eps,width=1.00\linewidth}
+\caption{MRIS Read Performance (mb/sec) by iostat}
\label{fig:mrisiostat}
\end{centering}
\end{figure}
-The throughput reported by iostat is much larger than that of
-Figure~\ref{fig:mrisopssec}.
+The results are shown in Figure~\ref{fig:mrisopssec}. Specifically,
+the speedup for Facebook and Wikipedia workload is XXX and YYY.
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