From: lkcl Date: Thu, 8 Sep 2022 00:11:39 +0000 (+0100) Subject: (no commit message) X-Git-Tag: opf_rfc_ls005_v1~644 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2892346742338553765dd27273ac7b2fa22569b0;p=libreriscv.git --- diff --git a/openpower/sv/remap.mdwn b/openpower/sv/remap.mdwn index 93ec30add..632f3488a 100644 --- a/openpower/sv/remap.mdwn +++ b/openpower/sv/remap.mdwn @@ -84,10 +84,11 @@ it is possible to service Precise Interrupts without affecting latency * 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. -* REMAP **redefines** the order of access according to set "Schedules". -* The Schedules are not necessarily restricted to power-of-two boundaries +* REMAP **redefines** the order of access according to set + (Deterministic) "Schedules". +* The Schedules are not at all restricted to power-of-two boundaries making it unnecessary to have for example specialised 3x4 transpose - instructions. + instructions of other Vector ISAs. Only the most commonly-used algorithms in computer science have REMAP support, due to the high cost in both the ISA and in hardware. For