From: Luke Kenneth Casson Leighton Date: Thu, 24 May 2018 12:41:42 +0000 (+0100) Subject: feedback from rogier bruisse X-Git-Tag: convert-csv-opcode-to-binary~5334 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5bf0ea2a369ba6974844a93b122a2a4b118f11eb;p=libreriscv.git feedback from rogier bruisse --- diff --git a/simple_v_extension/simple_v_chennai_2018.tex b/simple_v_extension/simple_v_chennai_2018.tex index ef26dc67a..e185c27f5 100644 --- a/simple_v_extension/simple_v_chennai_2018.tex +++ b/simple_v_extension/simple_v_chennai_2018.tex @@ -92,6 +92,23 @@ } +\frame{\frametitle{What's the value of SV? Why adopt it even in non-V?} + + \begin{itemize} + \item memcpy becomes much smaller (higher bang-per-buck)\vspace{10pt} + \item context-switch (LOAD/STORE multiple): 1-2 instructions\vspace{10pt} + \item greatly-reduced I-cache load (and less reads)\vspace{10pt} + \item parallelisation of C further reduces I-cache (etc.)\vspace{10pt} + \end{itemize} + Note:\vspace{10pt} + \begin{itemize} + \item It's not just about Vectors: it's about instruction effectiveness + \item Anything implementor is not interested in HW-optimising,\\ + let it fall through to exceptions (implement as a trap). + \end{itemize} +} + + \frame{\frametitle{How does Simple-V relate to RVV?} \begin{itemize}