Hi,
This series of patches add the powerpc64 assembly for modp/redc functions
for elliptic curves P192, P224, P256, P384, P521, X25519 and X448. It results
in 15-30% performance improvements as measured on POWER9 system using
hogweed-benchmark.
master
------
name size sign/ms verify/ms
ecdsa 192 13.5465 3.8313
ecdsa 224 8.4079 2.5289
ecdsa 256 8.5772 2.4691
ecdsa 384 3.4361 0.9765
ecdsa 521 2.2918 0.6785
eddsa 255 15.0672 4.1138
eddsa 448 4.7115 1.3067
curve 255 15.5206 6.4745
curve 448 4.7906 2.0458
this series
-----------
name size sign/ms verify/ms
ecdsa 192 17.5450 5.6564
ecdsa 224 10.8847 3.7482
ecdsa 256 11.0208 3.5215
ecdsa 384 5.1133 1.6133
ecdsa 521 2.8815 0.9348
eddsa 255 17.4936 4.9027
eddsa 448 6.0401 1.7075
curve 255 18.1034 7.6884
curve 448 6.1756 2.7095
Amitay Isaacs (3):
ecc: Add powerpc64 assembly for ecc_192_modp
ecc: Add powerpc64 assembly for ecc_224_modp
ecc: Add powerpc64 assembly for ecc_256_redc
Martin Schwenke (4):
ecc: Add powerpc64 assembly for ecc_384_modp
ecc: Add powerpc64 assembly for ecc_521_modp
ecc: Add powerpc64 assembly for ecc_25519_modp
ecc: Add powerpc64 assembly for ecc_448_modp
powerpc64/ecc-curve25519-modp.asm | 103 ++++++++++++++
powerpc64/ecc-curve448-modp.asm | 174 +++++++++++++++++++++++
powerpc64/ecc-secp192r1-modp.asm | 93 ++++++++++++
powerpc64/ecc-secp224r1-modp.asm | 123 ++++++++++++++++
powerpc64/ecc-secp256r1-redc.asm | 144 +++++++++++++++++++
powerpc64/ecc-secp384r1-modp.asm | 227 ++++++++++++++++++++++++++++++
powerpc64/ecc-secp521r1-modp.asm | 166 ++++++++++++++++++++++
7 files changed, 1030 insertions(+)
create mode 100644 powerpc64/ecc-curve25519-modp.asm
create mode 100644 powerpc64/ecc-curve448-modp.asm
create mode 100644 powerpc64/ecc-secp192r1-modp.asm
create mode 100644 powerpc64/ecc-secp224r1-modp.asm
create mode 100644 powerpc64/ecc-secp256r1-redc.asm
create mode 100644 powerpc64/ecc-secp384r1-modp.asm
create mode 100644 powerpc64/ecc-secp521r1-modp.asm
--
2.33.1
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