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* src/hwf-ppc.c (ppc_features): Add HWF_PPC_ARCH_3_10.
--
GnuPG-bug-id: T5913
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
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* configure.ac: Added p10 assembly implementation file and assiciated file.
* cipher/Makefile.am: Added p10 assembly implementation file and associated
file.
* cipher/rijndael.c: Added p10 function.
* cipher/rijndael-p10le.c: New wrapper file for AES-GCM call.
* cipher/rijndael-gcm-p10le.s: New implementation of AES-GCM bulk function in
Power Assembly.
* src/g10lib.h: Added Power arch 3.1 definition for p10.
* src/hwf-ppc.c: Added Power arch 3.1 definition for p10.
* src/hwfeatures.c: Added Power arch 3.1 definition for p10.
--
GnuPG-bug-id: 5700
Signed-off-by: Danny Tsen <dtsen@us.ibm.com>
[jk: fixes for C coding style]
[jk: prefix assembly functions with '_gcry_ppc10']
[jk: add assert check for gcm_table size]
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
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* cipher/Makefile.am: Add 'chacha20-ppc.c'.
* cipher/chacha20-ppc.c: New.
* cipher/chacha20.c (USE_PPC_VEC, _gcry_chacha20_ppc8_blocks4)
(_gcry_chacha20_ppc8_blocks1, USE_PPC_VEC_POLY1305)
(_gcry_chacha20_poly1305_ppc8_blocks4): New.
(CHACHA20_context_t): Add 'use_ppc'.
(chacha20_blocks, chacha20_keysetup)
(do_chacha20_encrypt_stream_tail): Add USE_PPC_VEC code.
(_gcry_chacha20_poly1305_encrypt, _gcry_chacha20_poly1305_decrypt): Add
USE_PPC_VEC_POLY1305 code.
* configure.ac: Add 'chacha20-ppc.lo'.
* src/g10lib.h (HWF_PPC_ARCH_2_07): New.
* src/hwf-ppc.c (PPC_FEATURE2_ARCH_2_07): New.
(ppc_features): Add HWF_PPC_ARCH_2_07.
* src/hwfeatures.c (hwflist): Add 'ppc-arch_2_07'.
--
This patch adds 1-way, 2-way and 4-way ChaCha20 vector implementations
and 4-way stitched ChaCha20+Poly1305 implementation for PowerPC.
Benchmark on POWER8 (ppc64le, ~3.8Ghz):
Before:
CHACHA20 | nanosecs/byte mebibytes/sec cycles/byte
STREAM enc | 2.60 ns/B 366.2 MiB/s 9.90 c/B
STREAM dec | 2.61 ns/B 366.1 MiB/s 9.90 c/B
POLY1305 enc | 3.11 ns/B 307.1 MiB/s 11.80 c/B
POLY1305 dec | 3.11 ns/B 307.0 MiB/s 11.80 c/B
POLY1305 auth | 0.502 ns/B 1900 MiB/s 1.91 c/B
After (~4x faster):
CHACHA20 | nanosecs/byte mebibytes/sec cycles/byte
STREAM enc | 0.619 ns/B 1540 MiB/s 2.35 c/B
STREAM dec | 0.619 ns/B 1541 MiB/s 2.35 c/B
POLY1305 enc | 0.785 ns/B 1215 MiB/s 2.98 c/B
POLY1305 dec | 0.769 ns/B 1240 MiB/s 2.92 c/B
POLY1305 auth | 0.502 ns/B 1901 MiB/s 1.91 c/B
Benchmark on POWER9 (ppc64le, ~3.8Ghz):
Before:
CHACHA20 | nanosecs/byte mebibytes/sec cycles/byte
STREAM enc | 2.27 ns/B 419.9 MiB/s 8.63 c/B
STREAM dec | 2.27 ns/B 419.8 MiB/s 8.63 c/B
POLY1305 enc | 2.73 ns/B 349.1 MiB/s 10.38 c/B
POLY1305 dec | 2.73 ns/B 349.3 MiB/s 10.37 c/B
POLY1305 auth | 0.459 ns/B 2076 MiB/s 1.75 c/B
After (chacha20 ~3x faster, chacha20+poly1305 ~2.5x faster):
CHACHA20 | nanosecs/byte mebibytes/sec cycles/byte
STREAM enc | 0.690 ns/B 1381 MiB/s 2.62 c/B
STREAM dec | 0.690 ns/B 1382 MiB/s 2.62 c/B
POLY1305 enc | 1.09 ns/B 878.2 MiB/s 4.13 c/B
POLY1305 dec | 1.07 ns/B 887.8 MiB/s 4.08 c/B
POLY1305 auth | 0.459 ns/B 2076 MiB/s 1.75 c/B
GnuPG-bug-id: 4460
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
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* src/g10lib.h (HWF_PPC_ARCH_3_00): New.
* src/hwf-ppc.c (feature_map_s): Remove unused 'feature_match'.
(PPC_FEATURE2_ARCH_3_00): New.
(ppc_features, get_hwcap): Add PowerISA 3.00.
* src/hwfeatures.c (hwflist): Rename "ppc-crypto" to "ppc-vcrypto"; Add
"ppc-arch_3_00".
--
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
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* src/Makefile.am: PowerPC hardware detection.
* src/g10lib.h: Likewise.
* src/hwf-common.h: Likewise.
* src/hwf-ppc.c: Likewise.
* src/hwfeatures.c: Likewise.
* configure.ac: Likewise.
--
GnuPG-bug-id: 4529
[jk: split PowerPC HW features to separate patch, from
https://lists.gnupg.org/pipermail/gcrypt-devel/2019-July/004769.html]
[jk: disable __builtin_cpu_supports usage for now]
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
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