From 143e38ed7306c58cf5fa27f9d64a258ce96d7ac4 Mon Sep 17 00:00:00 2001 From: Luke Kenneth Casson Leighton Date: Fri, 29 Jul 2022 13:00:16 +0100 Subject: [PATCH] add MyISA 66000 to comparison table --- openpower/sv/comparison_table.mdwn | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/openpower/sv/comparison_table.mdwn b/openpower/sv/comparison_table.mdwn index 2138ac142..dc32db6cf 100644 --- a/openpower/sv/comparison_table.mdwn +++ b/openpower/sv/comparison_table.mdwn @@ -1,14 +1,15 @@ **ISA Comparison Table to DRAFT SVP64** - discussion and research at -|ISA
name |No
opcodes|No
intrinsics|Taxonomy /
Class|setvl
scalable|Predicate
Masks|Twin
Pred|Vector
regs |128-bit
ops |Bigint |LDST
F/First|Data-dep
Fail-first|Pred-
Result|HW
Matrix|DCT/FFT
HW| -|---------------|--------------|-----------------|--------------------|-------------------|--------------------|-------------|----------------|-----------------|-------|----------------|-----------------------|----------------|-------------|--------------| -|SVP64 |5 [^1] |see [^2] |Scalable [^3] |yes |yes |yes [^4] |no [^5] |see [^6] |yes[^7]|yes [^8] |yes [^9] |yes [^10] |yes [^11] | yes[^12] | -|VSX |700+ |700?[^27] |PackedSIMD |no |no |no |yes [^13] |yes |no |no |no |no |yes [^14] | no | -|NEON |~250 [^15] |7088 [^28] |PackedSIMD |no |no |no |yes |see [^35] |no |no |no |no |no | no | -|SVE2 |~1000 [^16] |6040 [^29] |Predicated SIMD[^17]|no [^17] |yes |no |yes |see [^35] |no |yes [^8] |no |no |yes [^33] | no | -|AVX512 [^18] |~1000s [^19] |7256 [^30] |Predicated SIMD |no |yes |no |yes |see [^35] |no |no |no |no |yes [^34] | no | -|RVV [^20] |~190 [^21] |~25000[^31] |Scalable[^22] |yes |yes |no |yes |yes [^23] |no |yes |no |no |no | no | -|Aurora SX[^24] |~200 [^25] |unknown [^32] |Scalable [^26] |yes |yes |no |yes |no |no |no |no |no |? | no | +|ISA
name |No
opcodes|No
intrinsics|Taxonomy /
Class|setvl
scalable|Predicate
Masks|Twin
Pred|Vector
regs |128-bit
ops |Bigint |LDST
F/First|Data-dep
Fail-first|Pred-
Result|HW
Matrix|DCT/FFT
HW| +|---------------|--------------|-----------------|--------------------|-------------------|--------------------|-------------|----------------|-----------------|--------|----------------|-----------------------|----------------|-------------|--------------| +|SVP64 |5 [^1] |see [^2] |Scalable [^3] |yes |yes |yes [^4] |no [^5] |see [^6] |yes[^7] |yes [^8] |yes [^9] |yes [^10] |yes [^11] | yes[^12] | +|VSX |700+ |700?[^27] |PackedSIMD |no |no |no |yes [^13] |yes |no |no |no |no |yes [^14] | no | +|NEON |~250 [^15] |7088 [^28] |PackedSIMD |no |no |no |yes |see [^35] |no |no |no |no |no | no | +|SVE2 |~1000 [^16] |6040 [^29] |Predicated SIMD[^17]|no [^17] |yes |no |yes |see [^35] |no |yes [^8] |no |no |yes [^33] | no | +|AVX512 [^18] |~1000s [^19] |7256 [^30] |Predicated SIMD |no |yes |no |yes |see [^35] |no |no |no |no |yes [^34] | no | +|RVV [^20] |~190 [^21] |~25000[^31] |Scalable[^22] |yes |yes |no |yes |yes [^23] |no |yes |no |no |no | no | +|Aurora SX[^24] |~200 [^25] |unknown [^32] |Scalable [^26] |yes |yes |no |yes |no |no |no |no |no |? | no | +|66000[^36] |~200 |unknown |AutoVec[^36] |see [^36] |no [^36] |no |see [^36] |no |yes[^37]|see [^36] |no |no |no | no | [^1]: plus EXT001 24-bit prefixing using 25% of EXT001 space. See [[sv/svp64]] [^3]: A 2-Dimensional Scalable Vector ISA **specifically designed for the Power ISA** with both Horizontal-First and Vertical-First Modes. See [[sv/vector_isa_comparison]] @@ -54,3 +55,5 @@ which is very hard to tell at a glance if it is power-2 or non-power-2 [^34]: [Advanced matrix Extensions](https://en.wikipedia.org/wiki/Advanced_Matrix_Extensions) supports BF16 and INT8 only. Separate regfile, power-of-two "tiles". Not general-purpose at all. [^35]: Although registers may be 128-bit in NEON, SVE2, and AVX, unlike VSX there are very few (or no) actual arithmetic 128-bit operations. Only RVV and SVP64 have the possibility of 128-bit ops +[^36]: Mitch Alsup's MyISA 66000 is available on request. An extremely powerful RISC ISA with an auto-vectorisation LOOP construct built-in as an extension named VVM. Classified as "Vertical-First". +[^37]: MyISA 66000 has a CARRY register up to 64-bit. Repeated application of FMA or ADD (esp. within Auto-Vectored LOOPS) automatically and inherently creates big-int operations with zero effort. -- 2.30.2