From 6f078e0332b2360331d36881fd44319a34eb9966 Mon Sep 17 00:00:00 2001 From: lkcl Date: Sun, 16 Apr 2023 10:37:20 +0100 Subject: [PATCH] --- openpower/sv/remap.mdwn | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/openpower/sv/remap.mdwn b/openpower/sv/remap.mdwn index ba6b6666e..df8837db5 100644 --- a/openpower/sv/remap.mdwn +++ b/openpower/sv/remap.mdwn @@ -113,7 +113,8 @@ hold the partial results). accessing elements in alternative sequences (0 3 6 1 4 7 ...) * normal Vector ISAs use either Indexed-MV or Indexed-LD/ST to "cope" with this. both are expensive (copy large vectors, spill through memory) - and very few Packed SIMD ISAs cope with non-Power-2. + and very few Packed SIMD ISAs cope with non-Power-2 + (Duplicate-data inline-loop-unrolling is the costly solution) * REMAP **redefines** the order of access according to set (Deterministic) "Schedules". * Matrix Schedules are not at all restricted to power-of-two boundaries -- 2.30.2