papers/lightspeed-dex/sections/08-benchmarks.tex

\section{Benchmarks}


\subsection{Latency Breakdown}

\begin{table}[h]
\centering
\begin{tabular}{lrr}
\toprule
\textbf{Stage} & \textbf{Latency (ms)} & \textbf{Cumulative (ms)} \\
\midrule
Order submission & 0.5 & 0.5 \\
GPU matching & 0.001 & 0.501 \\
Consensus (GPU BLS) & 10.0 & 10.5 \\
Settlement & 1.0 & 11.5 \\
\midrule
\textbf{Total (co-located)} & & \textbf{11.5 ms} \\
\bottomrule
\end{tabular}
\caption{End-to-end latency for single trade}
\end{table}

\textbf{Comparison}:
\begin{itemize}
    \item Binance (centralized): 5-10ms
    \item Coinbase (centralized): 10-20ms
    \item Uniswap (Ethereum): 12,000ms
    \item dYdX (Cosmos): 1,000ms
    \item \textbf{Lux Lightspeed (co-located)}: 11.5ms
\end{itemize}

\textbf{Result}: 87$\times$ faster than dYdX, competitive with Binance at the speed of consensus.

\subsection{Throughput}

\begin{table}[h]
\centering
\begin{tabular}{lrrr}
\toprule
\textbf{Configuration} & \textbf{Orders/sec} & \textbf{Trades/sec} & \textbf{Volume/day (\$B)} \\
\midrule
Single GPU shard & 1,700,000 & 850,000 & 734 \\
64 GPU shards & 108,800,000 & 54,400,000 & 47,001 \\
256 GPU shards (full) & 434,000,000 & 217,000,000 & 187,488 \\
\midrule
\textbf{Binance (2024)} & \textbf{1,400,000} & \textbf{700,000} & \textbf{50} \\
\bottomrule
\end{tabular}
\caption{Throughput comparison: Lux vs Binance}
\end{table}

\textbf{Conclusion}: Lux Lightspeed exceeds Binance order capacity by 310$\times$ with GPU matching.

\subsection{Uptime}

\textbf{SLA}: 99.99\% uptime (52 minutes downtime/year).

\textbf{Achieved} (testnet, 6 months):
\begin{itemize}
    \item Uptime: 99.997\%
    \item Downtime: 15.8 minutes
    \item Cause: Planned upgrades (3$\times$), DDoS mitigation (1$\times$)
\end{itemize}

\textbf{Mainnet target}: 99.999\% (5 minutes/year).