From 6fdb5983ff242ab19399ebd664bdabe12c39ad50 Mon Sep 17 00:00:00 2001 From: lkcl Date: Sat, 18 Jun 2022 12:11:53 +0100 Subject: [PATCH] --- openpower/sv.mdwn | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/openpower/sv.mdwn b/openpower/sv.mdwn index 1039abb59..77dab8ef7 100644 --- a/openpower/sv.mdwn +++ b/openpower/sv.mdwn @@ -6,7 +6,7 @@ Obligatory Dilbert: === -# SV (Simple Vectorisation) for the Power ISA +# SV (Simple Scalar Vectorisation) for the Power ISA **SV is in DRAFT STATUS**. SV has not yet been submitted to the OpenPOWER Foundation ISA WG for review. @@ -28,13 +28,14 @@ Fundamental design principles: for-loop had been expanded as actual scalar instructions (termed "preserving Program Order") * Augments ("tags") existing instructions, providing Vectorisation - "context" rather than adding new ones. + "context" rather than adding new instructions. * Does not modify or deviate from the underlying scalar Power ISA unless it provides significant performance or other advantage to do so - in the Vector space (dropping XER.SO for example) + in the Vector space (dropping "sticky" of XER.SO for example) * Designed for Supercomputing: avoids creating significant sequential - dependency hazards, allowing high performance superscalar - microarchitectures to be deployed. + dependency hazards, allowing standard + high performance superscalar multi-issue + micro-architectures to be leveraged. Advantages of these design principles: -- 2.30.2