From: Luke Kenneth Casson Leighton Date: Sun, 3 Jun 2018 06:30:29 +0000 (+0100) Subject: add images X-Git-Tag: convert-csv-opcode-to-binary~5310 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=95beeecf0311b9d73b24c6cf707b8e0cefff1955;p=libreriscv.git add images --- diff --git a/simple_v_extension/simple_v_chennai_2018.tex b/simple_v_extension/simple_v_chennai_2018.tex index a3fa9161e..993741313 100644 --- a/simple_v_extension/simple_v_chennai_2018.tex +++ b/simple_v_extension/simple_v_chennai_2018.tex @@ -96,14 +96,17 @@ \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 Compressed instrs further reduces I-cache (etc.)\vspace{10pt} - \item greatly-reduced I-cache load (and less reads)\vspace{10pt} - \end{itemize} - Note:\vspace{10pt} + \item memcpy becomes much smaller (higher bang-per-buck) + \item context-switch (LOAD/STORE multiple): 1-2 instructions + \item Compressed instrs further reduces I-cache (etc.) + \item Greatly-reduced I-cache load (and less reads) + \item Amazingly, SIMD becomes (more) tolerable\\ + (corner-cases for setup and teardown are gone) + \end{itemize} + Note: \begin{itemize} \item It's not just about Vectors: it's about instruction effectiveness + \item Anything that makes SIMD tolerable has to be a good thing \item Anything implementor is not interested in HW-optimising,\\ let it fall through to exceptions (implement as a trap). \end{itemize}