mirror of
https://git.wownero.com/wownero/wownero.git
synced 2024-12-22 19:38:53 +00:00
Update slow-hash.c
1. Added huge pages support and optimized scratchpad twiddling. (credits to dga). 2. Added aes-ni key expansion support. 3. Minor speedup to scratchpad initialization/finalization.
This commit is contained in:
NoodleDoodleNoodleDoodleNoodleDoodleNoo
parent
8fc42a21fc
commit
72643c47da
@ -13,8 +13,9 @@
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#include <emmintrin.h>
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#if defined(_MSC_VER) || defined(__INTEL_COMPILER)
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#if defined(_MSC_VER)
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#include <intrin.h>
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#include <Windows.h>
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#define STATIC
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#define INLINE __inline
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#if !defined(RDATA_ALIGN16)
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@ -22,6 +23,7 @@
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#endif
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#else
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#include <wmmintrin.h>
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#include <sys/mman.h>
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#define STATIC static
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#define INLINE inline
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#if !defined(RDATA_ALIGN16)
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@ -29,15 +31,58 @@
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#endif
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#endif
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#if defined(__INTEL_COMPILER)
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#define ASM __asm__
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#elif !defined(_MSC_VER)
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#define ASM __asm__
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#else
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#define ASM __asm
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#endif
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#define MEMORY (1 << 21) // 2MB scratchpad
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#define ITER (1 << 20)
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#define AES_BLOCK_SIZE 16
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#define AES_KEY_SIZE 32
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#define INIT_SIZE_BLK 8
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#define INIT_SIZE_BYTE (INIT_SIZE_BLK * AES_BLOCK_SIZE)
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#define TOTALBLOCKS (MEMORY / AES_BLOCK_SIZE)
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#define U64(x) ((uint64_t *) (x))
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#define R128(x) ((__m128i *) (x))
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#define SWAP(a, b) (((a) -= (b)), ((b) += (a)), ((a) = (b) - (a)))
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#define state_index(x) (((*((uint64_t *)x) >> 4) & (TOTALBLOCKS - 1)) << 4)
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#if defined(_MSC_VER)
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#define __mul() lo = _umul128(c[0], b[0], &hi);
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#else
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#define __mul() ASM("mulq %3\n\t" : "=d"(hi), "=a"(lo) : "%a" (c[0]), "rm" (b[0]) : "cc");
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#endif
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#define pre_aes() \
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j = state_index(a); \
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_c = _mm_load_si128(R128(&hp_state[j])); \
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_a = _mm_load_si128(R128(a)); \
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// dga's optimized scratchpad twiddling
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#define post_aes() \
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_mm_store_si128(R128(c), _c); \
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_b = _mm_xor_si128(_b, _c); \
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_mm_store_si128(R128(&hp_state[j]), _b); \
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j = state_index(c); \
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p = U64(&hp_state[j]); \
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b[0] = p[0]; b[1] = p[1]; \
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__mul(); \
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a[0] += hi; a[1] += lo; \
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p = U64(&hp_state[j]); \
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p[0] = a[0]; p[1] = a[1]; \
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a[0] ^= b[0]; a[1] ^= b[1]; \
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_b = _c; \
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#if defined(_MSC_VER)
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#define THREADV __declspec(thread)
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#else
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#define THREADV __thread
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#endif
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extern int aesb_single_round(const uint8_t *in, uint8_t*out, const uint8_t *expandedKey);
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extern int aesb_pseudo_round(const uint8_t *in, uint8_t *out, const uint8_t *expandedKey);
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@ -54,12 +99,15 @@ union cn_slow_hash_state
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};
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#pragma pack(pop)
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#if defined(_MSC_VER) || defined(__INTEL_COMPILER)
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THREADV uint8_t *hp_state = NULL;
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THREADV int hp_allocated = 0;
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#if defined(_MSC_VER)
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#define cpuid(info,x) __cpuidex(info,x,0)
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#else
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void cpuid(int CPUInfo[4], int InfoType)
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{
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__asm__ __volatile__
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ASM __volatile__
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(
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"cpuid":
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"=a" (CPUInfo[0]),
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@ -71,42 +119,6 @@ void cpuid(int CPUInfo[4], int InfoType)
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}
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#endif
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STATIC INLINE void mul(const uint8_t *a, const uint8_t *b, uint8_t *res)
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{
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uint64_t a0, b0;
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uint64_t hi, lo;
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a0 = U64(a)[0];
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b0 = U64(b)[0];
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lo = mul128(a0, b0, &hi);
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U64(res)[0] = hi;
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U64(res)[1] = lo;
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}
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STATIC INLINE void sum_half_blocks(uint8_t *a, const uint8_t *b)
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{
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uint64_t a0, a1, b0, b1;
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a0 = U64(a)[0];
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a1 = U64(a)[1];
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b0 = U64(b)[0];
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b1 = U64(b)[1];
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a0 += b0;
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a1 += b1;
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U64(a)[0] = a0;
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U64(a)[1] = a1;
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}
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STATIC INLINE void swap_blocks(uint8_t *a, uint8_t *b)
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{
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uint64_t t[2];
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U64(t)[0] = U64(a)[0];
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U64(t)[1] = U64(a)[1];
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U64(a)[0] = U64(b)[0];
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U64(a)[1] = U64(b)[1];
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U64(b)[0] = U64(t)[0];
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U64(b)[1] = U64(t)[1];
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}
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STATIC INLINE void xor_blocks(uint8_t *a, const uint8_t *b)
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{
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U64(a)[0] ^= U64(b)[0];
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@ -125,13 +137,83 @@ STATIC INLINE int check_aes_hw(void)
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return supported = cpuid_results[2] & (1 << 25);
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}
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STATIC INLINE void aesni_pseudo_round(const uint8_t *in, uint8_t *out,
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const uint8_t *expandedKey)
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STATIC INLINE void aes_256_assist1(__m128i* t1, __m128i * t2)
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{
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__m128i t4;
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*t2 = _mm_shuffle_epi32(*t2, 0xff);
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t4 = _mm_slli_si128(*t1, 0x04);
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*t1 = _mm_xor_si128(*t1, t4);
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t4 = _mm_slli_si128(t4, 0x04);
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*t1 = _mm_xor_si128(*t1, t4);
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t4 = _mm_slli_si128(t4, 0x04);
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*t1 = _mm_xor_si128(*t1, t4);
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*t1 = _mm_xor_si128(*t1, *t2);
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}
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STATIC INLINE void aes_256_assist2(__m128i* t1, __m128i * t3)
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{
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__m128i t2, t4;
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t4 = _mm_aeskeygenassist_si128(*t1, 0x00);
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t2 = _mm_shuffle_epi32(t4, 0xaa);
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t4 = _mm_slli_si128(*t3, 0x04);
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*t3 = _mm_xor_si128(*t3, t4);
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t4 = _mm_slli_si128(t4, 0x04);
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*t3 = _mm_xor_si128(*t3, t4);
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t4 = _mm_slli_si128(t4, 0x04);
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*t3 = _mm_xor_si128(*t3, t4);
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*t3 = _mm_xor_si128(*t3, t2);
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}
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STATIC INLINE void aes_expand_key(const uint8_t *key, uint8_t *expandedKey)
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{
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__m128i *ek = R128(expandedKey);
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__m128i t1, t2, t3;
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t1 = _mm_loadu_si128(R128(key));
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t3 = _mm_loadu_si128(R128(key + 16));
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ek[0] = t1;
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ek[1] = t3;
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t2 = _mm_aeskeygenassist_si128(t3, 0x01);
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aes_256_assist1(&t1, &t2);
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ek[2] = t1;
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aes_256_assist2(&t1, &t3);
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ek[3] = t3;
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t2 = _mm_aeskeygenassist_si128(t3, 0x02);
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aes_256_assist1(&t1, &t2);
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ek[4] = t1;
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aes_256_assist2(&t1, &t3);
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ek[5] = t3;
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t2 = _mm_aeskeygenassist_si128(t3, 0x04);
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aes_256_assist1(&t1, &t2);
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ek[6] = t1;
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aes_256_assist2(&t1, &t3);
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ek[7] = t3;
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t2 = _mm_aeskeygenassist_si128(t3, 0x08);
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aes_256_assist1(&t1, &t2);
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ek[8] = t1;
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aes_256_assist2(&t1, &t3);
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ek[9] = t3;
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t2 = _mm_aeskeygenassist_si128(t3, 0x10);
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aes_256_assist1(&t1, &t2);
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ek[10] = t1;
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}
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STATIC INLINE void aes_pseudo_round(const uint8_t *in, uint8_t *out,
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const uint8_t *expandedKey, int nblocks)
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{
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__m128i *k = R128(expandedKey);
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__m128i d;
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int i;
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d = _mm_loadu_si128(R128(in));
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for(i = 0; i < nblocks; i++)
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{
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d = _mm_loadu_si128(R128(in + i * AES_BLOCK_SIZE));
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d = _mm_aesenc_si128(d, *R128(&k[0]));
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d = _mm_aesenc_si128(d, *R128(&k[1]));
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d = _mm_aesenc_si128(d, *R128(&k[2]));
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@ -142,57 +224,161 @@ STATIC INLINE void aesni_pseudo_round(const uint8_t *in, uint8_t *out,
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d = _mm_aesenc_si128(d, *R128(&k[7]));
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d = _mm_aesenc_si128(d, *R128(&k[8]));
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d = _mm_aesenc_si128(d, *R128(&k[9]));
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_mm_storeu_si128((R128(out)), d);
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_mm_storeu_si128((R128(out + i * AES_BLOCK_SIZE)), d);
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}
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}
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STATIC INLINE void aes_pseudo_round_xor(const uint8_t *in, uint8_t *out,
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const uint8_t *expandedKey, const uint8_t *xor, int nblocks)
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{
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__m128i *k = R128(expandedKey);
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__m128i *x = R128(xor);
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__m128i d;
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int i;
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for(i = 0; i < nblocks; i++)
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{
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d = _mm_loadu_si128(R128(in + i * AES_BLOCK_SIZE));
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d = _mm_xor_si128(d, *R128(x++));
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d = _mm_aesenc_si128(d, *R128(&k[0]));
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d = _mm_aesenc_si128(d, *R128(&k[1]));
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d = _mm_aesenc_si128(d, *R128(&k[2]));
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d = _mm_aesenc_si128(d, *R128(&k[3]));
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d = _mm_aesenc_si128(d, *R128(&k[4]));
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d = _mm_aesenc_si128(d, *R128(&k[5]));
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d = _mm_aesenc_si128(d, *R128(&k[6]));
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d = _mm_aesenc_si128(d, *R128(&k[7]));
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d = _mm_aesenc_si128(d, *R128(&k[8]));
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d = _mm_aesenc_si128(d, *R128(&k[9]));
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_mm_storeu_si128((R128(out + i * AES_BLOCK_SIZE)), d);
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}
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}
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#if defined(_MSC_VER)
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BOOL SetLockPagesPrivilege(HANDLE hProcess, BOOL bEnable)
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{
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struct
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{
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DWORD count;
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LUID_AND_ATTRIBUTES privilege[1];
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} info;
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HANDLE token;
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if(!OpenProcessToken(hProcess, TOKEN_ADJUST_PRIVILEGES, &token))
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return FALSE;
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info.count = 1;
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info.privilege[0].Attributes = bEnable ? SE_PRIVILEGE_ENABLED : 0;
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if(!LookupPrivilegeValue(NULL, SE_LOCK_MEMORY_NAME, &(info.privilege[0].Luid)))
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return FALSE;
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if(!AdjustTokenPrivileges(token, FALSE, (PTOKEN_PRIVILEGES) &info, 0, NULL, NULL))
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return FALSE;
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if (GetLastError() != ERROR_SUCCESS)
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return FALSE;
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CloseHandle(token);
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return TRUE;
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}
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#endif
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void slow_hash_allocate_state(void)
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{
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int state = 0;
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if(hp_state != NULL)
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return;
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#if defined(_MSC_VER)
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SetLockPagesPrivilege(GetCurrentProcess(), TRUE);
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hp_state = (uint8_t *) VirtualAlloc(hp_state, MEMORY, MEM_LARGE_PAGES |
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MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
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#else
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hp_state = mmap(0, MEMORY, PROT_READ | PROT_WRITE,
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MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, 0, 0);
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if(hp_state == MAP_FAILED)
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hp_state = NULL;
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#endif
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hp_allocated = 1;
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if(hp_state == NULL)
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{
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hp_allocated = 0;
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hp_state = (uint8_t *) malloc(MEMORY);
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}
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}
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void slow_hash_free_state(void)
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{
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if(hp_state == NULL)
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return;
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if(!hp_allocated)
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free(hp_state);
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else
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{
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#if defined(_MSC_VER)
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VirtualFree(hp_state, MEMORY, MEM_RELEASE);
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#else
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munmap(hp_state, MEMORY);
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#endif
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}
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hp_state = NULL;
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hp_allocated = 0;
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}
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void cn_slow_hash(const void *data, size_t length, char *hash)
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{
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uint8_t long_state[MEMORY];
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uint8_t text[INIT_SIZE_BYTE];
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uint8_t a[AES_BLOCK_SIZE];
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uint8_t b[AES_BLOCK_SIZE];
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uint8_t d[AES_BLOCK_SIZE];
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uint8_t aes_key[AES_KEY_SIZE];
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RDATA_ALIGN16 uint8_t expandedKey[256];
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RDATA_ALIGN16 uint8_t expandedKey[240];
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uint8_t text[INIT_SIZE_BYTE];
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RDATA_ALIGN16 uint64_t a[2];
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RDATA_ALIGN16 uint64_t b[2];
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RDATA_ALIGN16 uint64_t c[2];
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RDATA_ALIGN16 uint8_t aes_key[AES_KEY_SIZE];
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union cn_slow_hash_state state;
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__m128i _a, _b, _c;
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uint64_t hi, lo;
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size_t i, j;
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uint8_t *p = NULL;
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uint64_t *p = NULL;
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oaes_ctx *aes_ctx;
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int useAes = check_aes_hw();
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static void (*const extra_hashes[4])(const void *, size_t, char *) =
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{
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hash_extra_blake, hash_extra_groestl, hash_extra_jh, hash_extra_skein
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};
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// this isn't supposed to happen, but guard against it for now.
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if(hp_state == NULL)
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slow_hash_allocate_state();
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hash_process(&state.hs, data, length);
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memcpy(text, state.init, INIT_SIZE_BYTE);
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aes_ctx = (oaes_ctx *) oaes_alloc();
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oaes_key_import_data(aes_ctx, state.hs.b, AES_KEY_SIZE);
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// use aligned data
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memcpy(expandedKey, aes_ctx->key->exp_data, aes_ctx->key->exp_data_len);
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if(useAes)
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{
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aes_expand_key(state.hs.b, expandedKey);
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for(i = 0; i < MEMORY / INIT_SIZE_BYTE; i++)
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{
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for(j = 0; j < INIT_SIZE_BLK; j++)
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aesni_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], expandedKey);
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memcpy(&long_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE);
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aes_pseudo_round(text, text, expandedKey, INIT_SIZE_BLK);
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memcpy(&hp_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE);
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}
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}
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else
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{
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aes_ctx = (oaes_ctx *) oaes_alloc();
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oaes_key_import_data(aes_ctx, state.hs.b, AES_KEY_SIZE);
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for(i = 0; i < MEMORY / INIT_SIZE_BYTE; i++)
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{
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for(j = 0; j < INIT_SIZE_BLK; j++)
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aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], expandedKey);
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aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], aes_ctx->key->exp_data);
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memcpy(&long_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE);
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memcpy(&hp_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE);
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}
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}
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@ -201,60 +387,52 @@ void cn_slow_hash(const void *data, size_t length, char *hash)
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U64(b)[0] = U64(&state.k[16])[0] ^ U64(&state.k[48])[0];
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U64(b)[1] = U64(&state.k[16])[1] ^ U64(&state.k[48])[1];
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_b = _mm_load_si128(R128(b));
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// this is ugly but the branching affects the loop somewhat so put it outside.
|
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if(useAes)
|
||||
{
|
||||
for(i = 0; i < ITER / 2; i++)
|
||||
{
|
||||
#define TOTALBLOCKS (MEMORY / AES_BLOCK_SIZE)
|
||||
#define state_index(x) (((*((uint64_t *)x) >> 4) & (TOTALBLOCKS - 1)) << 4)
|
||||
|
||||
// Iteration 1
|
||||
p = &long_state[state_index(a)];
|
||||
|
||||
if(useAes)
|
||||
_mm_storeu_si128(R128(p), _mm_aesenc_si128(_mm_loadu_si128(R128(p)), _mm_loadu_si128(R128(a))));
|
||||
pre_aes();
|
||||
_c = _mm_aesenc_si128(_c, _a);
|
||||
// post_aes(), optimized scratchpad twiddling (credits to dga)
|
||||
post_aes();
|
||||
}
|
||||
}
|
||||
else
|
||||
aesb_single_round(p, p, a);
|
||||
|
||||
xor_blocks(b, p);
|
||||
swap_blocks(b, p);
|
||||
swap_blocks(a, b);
|
||||
|
||||
// Iteration 2
|
||||
p = &long_state[state_index(a)];
|
||||
|
||||
mul(a, p, d);
|
||||
sum_half_blocks(b, d);
|
||||
swap_blocks(b, p);
|
||||
xor_blocks(b, p);
|
||||
swap_blocks(a, b);
|
||||
{
|
||||
for(i = 0; i < ITER / 2; i++)
|
||||
{
|
||||
pre_aes();
|
||||
aesb_single_round((uint8_t *) &_c, (uint8_t *) &_c, (uint8_t *) &_a);
|
||||
post_aes();
|
||||
}
|
||||
}
|
||||
|
||||
memcpy(text, state.init, INIT_SIZE_BYTE);
|
||||
oaes_key_import_data(aes_ctx, &state.hs.b[32], AES_KEY_SIZE);
|
||||
memcpy(expandedKey, aes_ctx->key->exp_data, aes_ctx->key->exp_data_len);
|
||||
if(useAes)
|
||||
{
|
||||
aes_expand_key(&state.hs.b[32], expandedKey);
|
||||
for(i = 0; i < MEMORY / INIT_SIZE_BYTE; i++)
|
||||
{
|
||||
for(j = 0; j < INIT_SIZE_BLK; j++)
|
||||
{
|
||||
xor_blocks(&text[j * AES_BLOCK_SIZE], &long_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE]);
|
||||
aesni_pseudo_round(&text[j * AES_BLOCK_SIZE], &text[j * AES_BLOCK_SIZE], expandedKey);
|
||||
}
|
||||
// add the xor to the pseudo round
|
||||
aes_pseudo_round_xor(text, text, expandedKey, &hp_state[i * INIT_SIZE_BYTE], INIT_SIZE_BLK);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
oaes_key_import_data(aes_ctx, &state.hs.b[32], AES_KEY_SIZE);
|
||||
for(i = 0; i < MEMORY / INIT_SIZE_BYTE; i++)
|
||||
{
|
||||
for(j = 0; j < INIT_SIZE_BLK; j++)
|
||||
{
|
||||
xor_blocks(&text[j * AES_BLOCK_SIZE], &long_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE]);
|
||||
aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], expandedKey);
|
||||
xor_blocks(&text[j * AES_BLOCK_SIZE], &hp_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE]);
|
||||
aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], aes_ctx->key->exp_data);
|
||||
}
|
||||
}
|
||||
oaes_free((OAES_CTX **) &aes_ctx);
|
||||
}
|
||||
|
||||
oaes_free((OAES_CTX **) &aes_ctx);
|
||||
memcpy(state.init, text, INIT_SIZE_BYTE);
|
||||
hash_permutation(&state.hs);
|
||||
extra_hashes[state.hs.b[0] & 3](&state, 200, hash);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user