421 lines
16 KiB
C++
421 lines
16 KiB
C++
/*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include "cryptonight.h"
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#include <memory.h>
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#include <stdio.h>
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#ifdef __GNUC__
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#include <x86intrin.h>
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static inline uint64_t _umul128(uint64_t a, uint64_t b, uint64_t* hi)
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{
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unsigned __int128 r = (unsigned __int128)a * (unsigned __int128)b;
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*hi = r >> 64;
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return (uint64_t)r;
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}
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#define _mm256_set_m128i(v0, v1) _mm256_insertf128_si256(_mm256_castsi128_si256(v1), (v0), 1)
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#else
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#include <intrin.h>
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#endif // __GNUC__
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#if !defined(_LP64) && !defined(_WIN64)
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#error You are trying to do a 32-bit build. This will all end in tears. I know it.
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#endif
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extern "C"
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{
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void keccak(const uint8_t *in, int inlen, uint8_t *md, int mdlen);
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void keccakf(uint64_t st[25], int rounds);
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extern void(*const extra_hashes[4])(const void *, size_t, char *);
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__m128i soft_aesenc(__m128i in, __m128i key);
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__m128i soft_aeskeygenassist(__m128i key, uint8_t rcon);
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}
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// This will shift and xor tmp1 into itself as 4 32-bit vals such as
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// sl_xor(a1 a2 a3 a4) = a1 (a2^a1) (a3^a2^a1) (a4^a3^a2^a1)
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static inline __m128i sl_xor(__m128i tmp1)
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{
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__m128i tmp4;
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tmp4 = _mm_slli_si128(tmp1, 0x04);
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tmp1 = _mm_xor_si128(tmp1, tmp4);
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tmp4 = _mm_slli_si128(tmp4, 0x04);
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tmp1 = _mm_xor_si128(tmp1, tmp4);
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tmp4 = _mm_slli_si128(tmp4, 0x04);
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tmp1 = _mm_xor_si128(tmp1, tmp4);
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return tmp1;
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}
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template<uint8_t rcon>
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static inline void aes_genkey_sub(__m128i* xout0, __m128i* xout2)
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{
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__m128i xout1 = _mm_aeskeygenassist_si128(*xout2, rcon);
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xout1 = _mm_shuffle_epi32(xout1, 0xFF); // see PSHUFD, set all elems to 4th elem
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*xout0 = sl_xor(*xout0);
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*xout0 = _mm_xor_si128(*xout0, xout1);
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xout1 = _mm_aeskeygenassist_si128(*xout0, 0x00);
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xout1 = _mm_shuffle_epi32(xout1, 0xAA); // see PSHUFD, set all elems to 3rd elem
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*xout2 = sl_xor(*xout2);
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*xout2 = _mm_xor_si128(*xout2, xout1);
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}
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static inline void soft_aes_genkey_sub(__m128i* xout0, __m128i* xout2, uint8_t rcon)
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{
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__m128i xout1 = soft_aeskeygenassist(*xout2, rcon);
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xout1 = _mm_shuffle_epi32(xout1, 0xFF); // see PSHUFD, set all elems to 4th elem
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*xout0 = sl_xor(*xout0);
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*xout0 = _mm_xor_si128(*xout0, xout1);
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xout1 = soft_aeskeygenassist(*xout0, 0x00);
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xout1 = _mm_shuffle_epi32(xout1, 0xAA); // see PSHUFD, set all elems to 3rd elem
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*xout2 = sl_xor(*xout2);
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*xout2 = _mm_xor_si128(*xout2, xout1);
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}
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template<bool SOFT_AES>
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static inline void aes_genkey(const __m128i* memory, __m128i* k0, __m128i* k1, __m128i* k2, __m128i* k3,
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__m128i* k4, __m128i* k5, __m128i* k6, __m128i* k7, __m128i* k8, __m128i* k9)
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{
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__m128i xout0, xout2;
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xout0 = _mm_load_si128(memory);
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xout2 = _mm_load_si128(memory+1);
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*k0 = xout0;
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*k1 = xout2;
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if(SOFT_AES)
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soft_aes_genkey_sub(&xout0, &xout2, 0x01);
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else
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aes_genkey_sub<0x01>(&xout0, &xout2);
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*k2 = xout0;
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*k3 = xout2;
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if(SOFT_AES)
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soft_aes_genkey_sub(&xout0, &xout2, 0x02);
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else
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aes_genkey_sub<0x02>(&xout0, &xout2);
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*k4 = xout0;
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*k5 = xout2;
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if(SOFT_AES)
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soft_aes_genkey_sub(&xout0, &xout2, 0x04);
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else
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aes_genkey_sub<0x04>(&xout0, &xout2);
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*k6 = xout0;
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*k7 = xout2;
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if(SOFT_AES)
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soft_aes_genkey_sub(&xout0, &xout2, 0x08);
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else
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aes_genkey_sub<0x08>(&xout0, &xout2);
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*k8 = xout0;
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*k9 = xout2;
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}
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static inline void aes_round(__m128i key, __m128i* x0, __m128i* x1, __m128i* x2, __m128i* x3, __m128i* x4, __m128i* x5, __m128i* x6, __m128i* x7)
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{
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*x0 = _mm_aesenc_si128(*x0, key);
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*x1 = _mm_aesenc_si128(*x1, key);
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*x2 = _mm_aesenc_si128(*x2, key);
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*x3 = _mm_aesenc_si128(*x3, key);
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*x4 = _mm_aesenc_si128(*x4, key);
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*x5 = _mm_aesenc_si128(*x5, key);
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*x6 = _mm_aesenc_si128(*x6, key);
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*x7 = _mm_aesenc_si128(*x7, key);
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}
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static inline void soft_aes_round(__m128i key, __m128i* x0, __m128i* x1, __m128i* x2, __m128i* x3, __m128i* x4, __m128i* x5, __m128i* x6, __m128i* x7)
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{
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*x0 = soft_aesenc(*x0, key);
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*x1 = soft_aesenc(*x1, key);
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*x2 = soft_aesenc(*x2, key);
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*x3 = soft_aesenc(*x3, key);
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*x4 = soft_aesenc(*x4, key);
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*x5 = soft_aesenc(*x5, key);
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*x6 = soft_aesenc(*x6, key);
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*x7 = soft_aesenc(*x7, key);
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}
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template<size_t MEM, bool SOFT_AES>
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void cn_explode_scratchpad(const __m128i* input, __m128i* output)
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{
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// This is more than we have registers, compiler will assign 2 keys on the stack
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__m128i xin0, xin1, xin2, xin3, xin4, xin5, xin6, xin7;
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__m128i k0, k1, k2, k3, k4, k5, k6, k7, k8, k9;
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aes_genkey<SOFT_AES>(input, &k0, &k1, &k2, &k3, &k4, &k5, &k6, &k7, &k8, &k9);
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xin0 = _mm_load_si128(input + 4);
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xin1 = _mm_load_si128(input + 5);
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xin2 = _mm_load_si128(input + 6);
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xin3 = _mm_load_si128(input + 7);
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xin4 = _mm_load_si128(input + 8);
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xin5 = _mm_load_si128(input + 9);
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xin6 = _mm_load_si128(input + 10);
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xin7 = _mm_load_si128(input + 11);
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for (size_t i = 0; i < MEM / sizeof(__m128i); i += 8)
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{
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if(SOFT_AES)
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{
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soft_aes_round(k0, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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soft_aes_round(k1, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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soft_aes_round(k2, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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soft_aes_round(k3, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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soft_aes_round(k4, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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soft_aes_round(k5, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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soft_aes_round(k6, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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soft_aes_round(k7, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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soft_aes_round(k8, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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soft_aes_round(k9, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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}
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else
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{
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aes_round(k0, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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aes_round(k1, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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aes_round(k2, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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aes_round(k3, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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aes_round(k4, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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aes_round(k5, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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aes_round(k6, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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aes_round(k7, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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aes_round(k8, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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aes_round(k9, &xin0, &xin1, &xin2, &xin3, &xin4, &xin5, &xin6, &xin7);
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}
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_mm_store_si128(output + i + 0, xin0);
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_mm_store_si128(output + i + 1, xin1);
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_mm_store_si128(output + i + 2, xin2);
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_mm_store_si128(output + i + 3, xin3);
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_mm_prefetch((const char*)output + i + 0, _MM_HINT_T2);
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_mm_store_si128(output + i + 4, xin4);
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_mm_store_si128(output + i + 5, xin5);
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_mm_store_si128(output + i + 6, xin6);
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_mm_store_si128(output + i + 7, xin7);
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_mm_prefetch((const char*)output + i + 4, _MM_HINT_T2);
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}
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}
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template<size_t MEM, bool SOFT_AES>
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void cn_implode_scratchpad(const __m128i* input, __m128i* output)
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{
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// This is more than we have registers, compiler will assign 2 keys on the stack
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__m128i xout0, xout1, xout2, xout3, xout4, xout5, xout6, xout7;
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__m128i k0, k1, k2, k3, k4, k5, k6, k7, k8, k9;
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aes_genkey<SOFT_AES>(output + 2, &k0, &k1, &k2, &k3, &k4, &k5, &k6, &k7, &k8, &k9);
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xout0 = _mm_load_si128(output + 4);
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xout1 = _mm_load_si128(output + 5);
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xout2 = _mm_load_si128(output + 6);
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xout3 = _mm_load_si128(output + 7);
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xout4 = _mm_load_si128(output + 8);
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xout5 = _mm_load_si128(output + 9);
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xout6 = _mm_load_si128(output + 10);
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xout7 = _mm_load_si128(output + 11);
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for (size_t i = 0; i < MEM / sizeof(__m128i); i += 8)
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{
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_mm_prefetch((const char*)input + i + 0, _MM_HINT_NTA);
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xout0 = _mm_xor_si128(_mm_load_si128(input + i + 0), xout0);
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xout1 = _mm_xor_si128(_mm_load_si128(input + i + 1), xout1);
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xout2 = _mm_xor_si128(_mm_load_si128(input + i + 2), xout2);
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xout3 = _mm_xor_si128(_mm_load_si128(input + i + 3), xout3);
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_mm_prefetch((const char*)input + i + 4, _MM_HINT_NTA);
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xout4 = _mm_xor_si128(_mm_load_si128(input + i + 4), xout4);
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xout5 = _mm_xor_si128(_mm_load_si128(input + i + 5), xout5);
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xout6 = _mm_xor_si128(_mm_load_si128(input + i + 6), xout6);
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xout7 = _mm_xor_si128(_mm_load_si128(input + i + 7), xout7);
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if(SOFT_AES)
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{
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soft_aes_round(k0, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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soft_aes_round(k1, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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soft_aes_round(k2, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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soft_aes_round(k3, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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soft_aes_round(k4, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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soft_aes_round(k5, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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soft_aes_round(k6, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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soft_aes_round(k7, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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soft_aes_round(k8, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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soft_aes_round(k9, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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}
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else
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{
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aes_round(k0, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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aes_round(k1, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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aes_round(k2, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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aes_round(k3, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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aes_round(k4, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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aes_round(k5, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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aes_round(k6, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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aes_round(k7, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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aes_round(k8, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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aes_round(k9, &xout0, &xout1, &xout2, &xout3, &xout4, &xout5, &xout6, &xout7);
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}
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}
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_mm_store_si128(output + 4, xout0);
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_mm_store_si128(output + 5, xout1);
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_mm_store_si128(output + 6, xout2);
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_mm_store_si128(output + 7, xout3);
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_mm_store_si128(output + 8, xout4);
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_mm_store_si128(output + 9, xout5);
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_mm_store_si128(output + 10, xout6);
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_mm_store_si128(output + 11, xout7);
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}
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template<size_t ITERATIONS, size_t MEM, bool PREFETCH, bool SOFT_AES>
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void cryptonight_hash(const void* input, size_t len, void* output, cryptonight_ctx* ctx0)
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{
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keccak((const uint8_t *)input, len, ctx0->hash_state, 200);
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// Optim - 99% time boundary
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cn_explode_scratchpad<MEM, SOFT_AES>((__m128i*)ctx0->hash_state, (__m128i*)ctx0->long_state);
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uint8_t* l0 = ctx0->long_state;
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uint64_t* h0 = (uint64_t*)ctx0->hash_state;
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uint64_t al0 = h0[0] ^ h0[4];
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uint64_t ah0 = h0[1] ^ h0[5];
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__m128i bx0 = _mm_set_epi64x(h0[3] ^ h0[7], h0[2] ^ h0[6]);
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uint64_t idx0 = h0[0] ^ h0[4];
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// Optim - 90% time boundary
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for(size_t i = 0; i < ITERATIONS; i++)
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{
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__m128i cx;
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cx = _mm_load_si128((__m128i *)&l0[idx0 & 0x1FFFF0]);
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if(SOFT_AES)
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cx = soft_aesenc(cx, _mm_set_epi64x(ah0, al0));
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else
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cx = _mm_aesenc_si128(cx, _mm_set_epi64x(ah0, al0));
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_mm_store_si128((__m128i *)&l0[idx0 & 0x1FFFF0], _mm_xor_si128(bx0, cx));
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idx0 = _mm_cvtsi128_si64(cx);
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bx0 = cx;
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if(PREFETCH)
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_mm_prefetch((const char*)&l0[idx0 & 0x1FFFF0], _MM_HINT_T0);
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uint64_t hi, lo, cl, ch;
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cl = ((uint64_t*)&l0[idx0 & 0x1FFFF0])[0];
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ch = ((uint64_t*)&l0[idx0 & 0x1FFFF0])[1];
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lo = _umul128(idx0, cl, &hi);
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al0 += hi;
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ah0 += lo;
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((uint64_t*)&l0[idx0 & 0x1FFFF0])[0] = al0;
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((uint64_t*)&l0[idx0 & 0x1FFFF0])[1] = ah0;
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ah0 ^= ch;
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|
al0 ^= cl;
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|
idx0 = al0;
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|
if(PREFETCH)
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|
_mm_prefetch((const char*)&l0[idx0 & 0x1FFFF0], _MM_HINT_T0);
|
|
}
|
|
|
|
// Optim - 90% time boundary
|
|
cn_implode_scratchpad<MEM, SOFT_AES>((__m128i*)ctx0->long_state, (__m128i*)ctx0->hash_state);
|
|
|
|
// Optim - 99% time boundary
|
|
|
|
keccakf((uint64_t*)ctx0->hash_state, 24);
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|
extra_hashes[ctx0->hash_state[0] & 3](ctx0->hash_state, 200, (char*)output);
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|
}
|
|
|
|
// This lovely creation will do 2 cn hashes at a time. We have plenty of space on silicon
|
|
// to fit temporary vars for two contexts. Function will read len*2 from input and write 64 bytes to output
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|
// We are still limited by L3 cache, so doubling will only work with CPUs where we have more than 2MB to core (Xeons)
|
|
template<size_t ITERATIONS, size_t MEM, bool PREFETCH, bool SOFT_AES>
|
|
void cryptonight_double_hash(const void* input, size_t len, void* output, cryptonight_ctx* __restrict ctx0, cryptonight_ctx* __restrict ctx1)
|
|
{
|
|
keccak((const uint8_t *)input, len, ctx0->hash_state, 200);
|
|
keccak((const uint8_t *)input+len, len, ctx1->hash_state, 200);
|
|
|
|
// Optim - 99% time boundary
|
|
cn_explode_scratchpad<MEM, SOFT_AES>((__m128i*)ctx0->hash_state, (__m128i*)ctx0->long_state);
|
|
cn_explode_scratchpad<MEM, SOFT_AES>((__m128i*)ctx1->hash_state, (__m128i*)ctx1->long_state);
|
|
|
|
uint8_t* l0 = ctx0->long_state;
|
|
uint64_t* h0 = (uint64_t*)ctx0->hash_state;
|
|
uint8_t* l1 = ctx1->long_state;
|
|
uint64_t* h1 = (uint64_t*)ctx1->hash_state;
|
|
|
|
__m128i ax0 = _mm_set_epi64x(h0[1] ^ h0[5], h0[0] ^ h0[4]);
|
|
__m128i bx0 = _mm_set_epi64x(h0[3] ^ h0[7], h0[2] ^ h0[6]);
|
|
__m128i ax1 = _mm_set_epi64x(h1[1] ^ h1[5], h1[0] ^ h1[4]);
|
|
__m128i bx1 = _mm_set_epi64x(h1[3] ^ h1[7], h1[2] ^ h1[6]);
|
|
|
|
uint64_t idx0 = h0[0] ^ h0[4];
|
|
uint64_t idx1 = h1[0] ^ h1[4];
|
|
|
|
// Optim - 90% time boundary
|
|
for (size_t i = 0; i < ITERATIONS; i++)
|
|
{
|
|
__m128i cx;
|
|
cx = _mm_load_si128((__m128i *)&l0[idx0 & 0x1FFFF0]);
|
|
if(SOFT_AES)
|
|
cx = soft_aesenc(cx, ax0);
|
|
else
|
|
cx = _mm_aesenc_si128(cx, ax0);
|
|
_mm_store_si128((__m128i *)&l0[idx0 & 0x1FFFF0], _mm_xor_si128(bx0, cx));
|
|
idx0 = _mm_cvtsi128_si64(cx);
|
|
bx0 = cx;
|
|
if(PREFETCH)
|
|
_mm_prefetch((const char*)&l0[idx0 & 0x1FFFF0], _MM_HINT_T0);
|
|
|
|
cx = _mm_load_si128((__m128i *)&l1[idx1 & 0x1FFFF0]);
|
|
if(SOFT_AES)
|
|
cx = soft_aesenc(cx, ax1);
|
|
else
|
|
cx = _mm_aesenc_si128(cx, ax1);
|
|
_mm_store_si128((__m128i *)&l1[idx1 & 0x1FFFF0], _mm_xor_si128(bx1, cx));
|
|
idx1 = _mm_cvtsi128_si64(cx);
|
|
bx1 = cx;
|
|
if(PREFETCH)
|
|
_mm_prefetch((const char*)&l1[idx1 & 0x1FFFF0], _MM_HINT_T0);
|
|
|
|
uint64_t hi, lo;
|
|
cx = _mm_load_si128((__m128i *)&l0[idx0 & 0x1FFFF0]);
|
|
lo = _umul128(idx0, _mm_cvtsi128_si64(cx), &hi);
|
|
ax0 = _mm_add_epi64(ax0, _mm_set_epi64x(lo, hi));
|
|
_mm_store_si128((__m128i*)&l0[idx0 & 0x1FFFF0], ax0);
|
|
ax0 = _mm_xor_si128(ax0, cx);
|
|
idx0 = _mm_cvtsi128_si64(ax0);
|
|
if(PREFETCH)
|
|
_mm_prefetch((const char*)&l0[idx0 & 0x1FFFF0], _MM_HINT_T0);
|
|
|
|
cx = _mm_load_si128((__m128i *)&l1[idx1 & 0x1FFFF0]);
|
|
lo = _umul128(idx1, _mm_cvtsi128_si64(cx), &hi);
|
|
ax1 = _mm_add_epi64(ax1, _mm_set_epi64x(lo, hi));
|
|
_mm_store_si128((__m128i*)&l1[idx1 & 0x1FFFF0], ax1);
|
|
ax1 = _mm_xor_si128(ax1, cx);
|
|
idx1 = _mm_cvtsi128_si64(ax1);
|
|
if(PREFETCH)
|
|
_mm_prefetch((const char*)&l1[idx1 & 0x1FFFF0], _MM_HINT_T0);
|
|
}
|
|
|
|
// Optim - 90% time boundary
|
|
cn_implode_scratchpad<MEM, SOFT_AES>((__m128i*)ctx0->long_state, (__m128i*)ctx0->hash_state);
|
|
cn_implode_scratchpad<MEM, SOFT_AES>((__m128i*)ctx1->long_state, (__m128i*)ctx1->hash_state);
|
|
|
|
// Optim - 99% time boundary
|
|
|
|
keccakf((uint64_t*)ctx0->hash_state, 24);
|
|
extra_hashes[ctx0->hash_state[0] & 3](ctx0->hash_state, 200, (char*)output);
|
|
keccakf((uint64_t*)ctx1->hash_state, 24);
|
|
extra_hashes[ctx1->hash_state[0] & 3](ctx1->hash_state, 200, (char*)output + 32);
|
|
}
|