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Update DXT1 timings table.

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Clang is able to get much better times on ARM (around 430 us for both
ARM32 and ARM64 NEON). The reference implementation is 1.13 ms on clang.
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Bartosz Taudul 2019-07-13 20:24:58 +02:00
parent f65373ece7
commit ff9637e884
1 changed files with 5 additions and 5 deletions
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manual/tracy.tex
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@ -459,17 +459,17 @@ To further reduce image data size, frame images are internally compressed using
\centering
\begin{tabular}[h]{c|c|c}
\textbf{Implementation} & \textbf{Required define} & \textbf{Time} \\ \hline
x86 Reference & --- & 228 \si{\micro\second} \\
x86 SSE4.1\textsuperscript{a} & \texttt{\_\_SSE4\_1\_\_} & 35.8 \si{\micro\second} \\
x86 AVX2 & \texttt{\_\_AVX2\_\_} & 26.5 \si{\micro\second} \\
x86 Reference & --- & 218.7 \si{\micro\second} \\
x86 SSE4.1\textsuperscript{a} & \texttt{\_\_SSE4\_1\_\_} & 33.9 \si{\micro\second} \\
x86 AVX2 & \texttt{\_\_AVX2\_\_} & 23.8 \si{\micro\second} \\
ARM Reference & --- & 1.23 \si{\milli\second} \\
ARM32 NEON\textsuperscript{b} & \texttt{\_\_ARM\_NEON} & 561 \si{\micro\second} \\
ARM64 NEON & \texttt{\_\_ARM\_NEON} & 473 \si{\micro\second}
ARM64 NEON & \texttt{\_\_ARM\_NEON} & 469 \si{\micro\second}
\end{tabular}
\vspace{1em}
\textsuperscript{a)} VEX encoding; \hspace{0.5em} \textsuperscript{b)} ARM32 NEON code compiled for ARM64
\caption{Compression time of $320\times180$ image. x86: i7 8700K; ARM: ODROID-C2.}
\caption{Compression time of $320\times180$ image. x86: i7 8700K (MSVC); ARM: ODROID-C2 (gcc).}
\label{EtcSimd}
\end{table}