diff options
Diffstat (limited to 'thirdparty/BLAKE3/c/blake3_avx2.c')
| -rw-r--r-- | thirdparty/BLAKE3/c/blake3_avx2.c | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/thirdparty/BLAKE3/c/blake3_avx2.c b/thirdparty/BLAKE3/c/blake3_avx2.c deleted file mode 100644 index c5a2ce9e2..000000000 --- a/thirdparty/BLAKE3/c/blake3_avx2.c +++ /dev/null @@ -1,325 +0,0 @@ -#include "blake3_impl.h" - -#include <immintrin.h> - -#define DEGREE 8 - -INLINE __m256i loadu(const uint8_t src[32]) { - return _mm256_loadu_si256((const __m256i *)src); -} - -INLINE void storeu(__m256i src, uint8_t dest[16]) { - _mm256_storeu_si256((__m256i *)dest, src); -} - -INLINE __m256i addv(__m256i a, __m256i b) { return _mm256_add_epi32(a, b); } - -// Note that clang-format doesn't like the name "xor" for some reason. -INLINE __m256i xorv(__m256i a, __m256i b) { return _mm256_xor_si256(a, b); } - -INLINE __m256i set1(uint32_t x) { return _mm256_set1_epi32((int32_t)x); } - -INLINE __m256i rot16(__m256i x) { - return _mm256_shuffle_epi8( - x, _mm256_set_epi8(13, 12, 15, 14, 9, 8, 11, 10, 5, 4, 7, 6, 1, 0, 3, 2, - 13, 12, 15, 14, 9, 8, 11, 10, 5, 4, 7, 6, 1, 0, 3, 2)); -} - -INLINE __m256i rot12(__m256i x) { - return _mm256_or_si256(_mm256_srli_epi32(x, 12), _mm256_slli_epi32(x, 32 - 12)); -} - -INLINE __m256i rot8(__m256i x) { - return _mm256_shuffle_epi8( - x, _mm256_set_epi8(12, 15, 14, 13, 8, 11, 10, 9, 4, 7, 6, 5, 0, 3, 2, 1, - 12, 15, 14, 13, 8, 11, 10, 9, 4, 7, 6, 5, 0, 3, 2, 1)); -} - -INLINE __m256i rot7(__m256i x) { - return _mm256_or_si256(_mm256_srli_epi32(x, 7), _mm256_slli_epi32(x, 32 - 7)); -} - -INLINE void round_fn(__m256i v[16], __m256i m[16], size_t r) { - v[0] = addv(v[0], m[(size_t)MSG_SCHEDULE[r][0]]); - v[1] = addv(v[1], m[(size_t)MSG_SCHEDULE[r][2]]); - v[2] = addv(v[2], m[(size_t)MSG_SCHEDULE[r][4]]); - v[3] = addv(v[3], m[(size_t)MSG_SCHEDULE[r][6]]); - v[0] = addv(v[0], v[4]); - v[1] = addv(v[1], v[5]); - v[2] = addv(v[2], v[6]); - v[3] = addv(v[3], v[7]); - v[12] = xorv(v[12], v[0]); - v[13] = xorv(v[13], v[1]); - v[14] = xorv(v[14], v[2]); - v[15] = xorv(v[15], v[3]); - v[12] = rot16(v[12]); - v[13] = rot16(v[13]); - v[14] = rot16(v[14]); - v[15] = rot16(v[15]); - v[8] = addv(v[8], v[12]); - v[9] = addv(v[9], v[13]); - v[10] = addv(v[10], v[14]); - v[11] = addv(v[11], v[15]); - v[4] = xorv(v[4], v[8]); - v[5] = xorv(v[5], v[9]); - v[6] = xorv(v[6], v[10]); - v[7] = xorv(v[7], v[11]); - v[4] = rot12(v[4]); - v[5] = rot12(v[5]); - v[6] = rot12(v[6]); - v[7] = rot12(v[7]); - v[0] = addv(v[0], m[(size_t)MSG_SCHEDULE[r][1]]); - v[1] = addv(v[1], m[(size_t)MSG_SCHEDULE[r][3]]); - v[2] = addv(v[2], m[(size_t)MSG_SCHEDULE[r][5]]); - v[3] = addv(v[3], m[(size_t)MSG_SCHEDULE[r][7]]); - v[0] = addv(v[0], v[4]); - v[1] = addv(v[1], v[5]); - v[2] = addv(v[2], v[6]); - v[3] = addv(v[3], v[7]); - v[12] = xorv(v[12], v[0]); - v[13] = xorv(v[13], v[1]); - v[14] = xorv(v[14], v[2]); - v[15] = xorv(v[15], v[3]); - v[12] = rot8(v[12]); - v[13] = rot8(v[13]); - v[14] = rot8(v[14]); - v[15] = rot8(v[15]); - v[8] = addv(v[8], v[12]); - v[9] = addv(v[9], v[13]); - v[10] = addv(v[10], v[14]); - v[11] = addv(v[11], v[15]); - v[4] = xorv(v[4], v[8]); - v[5] = xorv(v[5], v[9]); - v[6] = xorv(v[6], v[10]); - v[7] = xorv(v[7], v[11]); - v[4] = rot7(v[4]); - v[5] = rot7(v[5]); - v[6] = rot7(v[6]); - v[7] = rot7(v[7]); - - v[0] = addv(v[0], m[(size_t)MSG_SCHEDULE[r][8]]); - v[1] = addv(v[1], m[(size_t)MSG_SCHEDULE[r][10]]); - v[2] = addv(v[2], m[(size_t)MSG_SCHEDULE[r][12]]); - v[3] = addv(v[3], m[(size_t)MSG_SCHEDULE[r][14]]); - v[0] = addv(v[0], v[5]); - v[1] = addv(v[1], v[6]); - v[2] = addv(v[2], v[7]); - v[3] = addv(v[3], v[4]); - v[15] = xorv(v[15], v[0]); - v[12] = xorv(v[12], v[1]); - v[13] = xorv(v[13], v[2]); - v[14] = xorv(v[14], v[3]); - v[15] = rot16(v[15]); - v[12] = rot16(v[12]); - v[13] = rot16(v[13]); - v[14] = rot16(v[14]); - v[10] = addv(v[10], v[15]); - v[11] = addv(v[11], v[12]); - v[8] = addv(v[8], v[13]); - v[9] = addv(v[9], v[14]); - v[5] = xorv(v[5], v[10]); - v[6] = xorv(v[6], v[11]); - v[7] = xorv(v[7], v[8]); - v[4] = xorv(v[4], v[9]); - v[5] = rot12(v[5]); - v[6] = rot12(v[6]); - v[7] = rot12(v[7]); - v[4] = rot12(v[4]); - v[0] = addv(v[0], m[(size_t)MSG_SCHEDULE[r][9]]); - v[1] = addv(v[1], m[(size_t)MSG_SCHEDULE[r][11]]); - v[2] = addv(v[2], m[(size_t)MSG_SCHEDULE[r][13]]); - v[3] = addv(v[3], m[(size_t)MSG_SCHEDULE[r][15]]); - v[0] = addv(v[0], v[5]); - v[1] = addv(v[1], v[6]); - v[2] = addv(v[2], v[7]); - v[3] = addv(v[3], v[4]); - v[15] = xorv(v[15], v[0]); - v[12] = xorv(v[12], v[1]); - v[13] = xorv(v[13], v[2]); - v[14] = xorv(v[14], v[3]); - v[15] = rot8(v[15]); - v[12] = rot8(v[12]); - v[13] = rot8(v[13]); - v[14] = rot8(v[14]); - v[10] = addv(v[10], v[15]); - v[11] = addv(v[11], v[12]); - v[8] = addv(v[8], v[13]); - v[9] = addv(v[9], v[14]); - v[5] = xorv(v[5], v[10]); - v[6] = xorv(v[6], v[11]); - v[7] = xorv(v[7], v[8]); - v[4] = xorv(v[4], v[9]); - v[5] = rot7(v[5]); - v[6] = rot7(v[6]); - v[7] = rot7(v[7]); - v[4] = rot7(v[4]); -} - -INLINE void transpose_vecs(__m256i vecs[DEGREE]) { - // Interleave 32-bit lanes. The low unpack is lanes 00/11/44/55, and the high - // is 22/33/66/77. - __m256i ab_0145 = _mm256_unpacklo_epi32(vecs[0], vecs[1]); - __m256i ab_2367 = _mm256_unpackhi_epi32(vecs[0], vecs[1]); - __m256i cd_0145 = _mm256_unpacklo_epi32(vecs[2], vecs[3]); - __m256i cd_2367 = _mm256_unpackhi_epi32(vecs[2], vecs[3]); - __m256i ef_0145 = _mm256_unpacklo_epi32(vecs[4], vecs[5]); - __m256i ef_2367 = _mm256_unpackhi_epi32(vecs[4], vecs[5]); - __m256i gh_0145 = _mm256_unpacklo_epi32(vecs[6], vecs[7]); - __m256i gh_2367 = _mm256_unpackhi_epi32(vecs[6], vecs[7]); - - // Interleave 64-bit lates. The low unpack is lanes 00/22 and the high is - // 11/33. - __m256i abcd_04 = _mm256_unpacklo_epi64(ab_0145, cd_0145); - __m256i abcd_15 = _mm256_unpackhi_epi64(ab_0145, cd_0145); - __m256i abcd_26 = _mm256_unpacklo_epi64(ab_2367, cd_2367); - __m256i abcd_37 = _mm256_unpackhi_epi64(ab_2367, cd_2367); - __m256i efgh_04 = _mm256_unpacklo_epi64(ef_0145, gh_0145); - __m256i efgh_15 = _mm256_unpackhi_epi64(ef_0145, gh_0145); - __m256i efgh_26 = _mm256_unpacklo_epi64(ef_2367, gh_2367); - __m256i efgh_37 = _mm256_unpackhi_epi64(ef_2367, gh_2367); - - // Interleave 128-bit lanes. - vecs[0] = _mm256_permute2x128_si256(abcd_04, efgh_04, 0x20); - vecs[1] = _mm256_permute2x128_si256(abcd_15, efgh_15, 0x20); - vecs[2] = _mm256_permute2x128_si256(abcd_26, efgh_26, 0x20); - vecs[3] = _mm256_permute2x128_si256(abcd_37, efgh_37, 0x20); - vecs[4] = _mm256_permute2x128_si256(abcd_04, efgh_04, 0x31); - vecs[5] = _mm256_permute2x128_si256(abcd_15, efgh_15, 0x31); - vecs[6] = _mm256_permute2x128_si256(abcd_26, efgh_26, 0x31); - vecs[7] = _mm256_permute2x128_si256(abcd_37, efgh_37, 0x31); -} - -INLINE void transpose_msg_vecs(const uint8_t *const *inputs, - size_t block_offset, __m256i out[16]) { - out[0] = loadu(&inputs[0][block_offset + 0 * sizeof(__m256i)]); - out[1] = loadu(&inputs[1][block_offset + 0 * sizeof(__m256i)]); - out[2] = loadu(&inputs[2][block_offset + 0 * sizeof(__m256i)]); - out[3] = loadu(&inputs[3][block_offset + 0 * sizeof(__m256i)]); - out[4] = loadu(&inputs[4][block_offset + 0 * sizeof(__m256i)]); - out[5] = loadu(&inputs[5][block_offset + 0 * sizeof(__m256i)]); - out[6] = loadu(&inputs[6][block_offset + 0 * sizeof(__m256i)]); - out[7] = loadu(&inputs[7][block_offset + 0 * sizeof(__m256i)]); - out[8] = loadu(&inputs[0][block_offset + 1 * sizeof(__m256i)]); - out[9] = loadu(&inputs[1][block_offset + 1 * sizeof(__m256i)]); - out[10] = loadu(&inputs[2][block_offset + 1 * sizeof(__m256i)]); - out[11] = loadu(&inputs[3][block_offset + 1 * sizeof(__m256i)]); - out[12] = loadu(&inputs[4][block_offset + 1 * sizeof(__m256i)]); - out[13] = loadu(&inputs[5][block_offset + 1 * sizeof(__m256i)]); - out[14] = loadu(&inputs[6][block_offset + 1 * sizeof(__m256i)]); - out[15] = loadu(&inputs[7][block_offset + 1 * sizeof(__m256i)]); - for (size_t i = 0; i < 8; ++i) { - _mm_prefetch(&inputs[i][block_offset + 256], _MM_HINT_T0); - } - transpose_vecs(&out[0]); - transpose_vecs(&out[8]); -} - -INLINE void load_counters(uint64_t counter, bool increment_counter, - __m256i *out_lo, __m256i *out_hi) { - const __m256i mask = _mm256_set1_epi32(-(int32_t)increment_counter); - const __m256i add0 = _mm256_set_epi32(7, 6, 5, 4, 3, 2, 1, 0); - const __m256i add1 = _mm256_and_si256(mask, add0); - __m256i l = _mm256_add_epi32(_mm256_set1_epi32(counter), add1); - __m256i carry = _mm256_cmpgt_epi32(_mm256_xor_si256(add1, _mm256_set1_epi32(0x80000000)), - _mm256_xor_si256( l, _mm256_set1_epi32(0x80000000))); - __m256i h = _mm256_sub_epi32(_mm256_set1_epi32(counter >> 32), carry); - *out_lo = l; - *out_hi = h; -} - -void blake3_hash8_avx2(const uint8_t *const *inputs, size_t blocks, - const uint32_t key[8], uint64_t counter, - bool increment_counter, uint8_t flags, - uint8_t flags_start, uint8_t flags_end, uint8_t *out) { - __m256i h_vecs[8] = { - set1(key[0]), set1(key[1]), set1(key[2]), set1(key[3]), - set1(key[4]), set1(key[5]), set1(key[6]), set1(key[7]), - }; - __m256i counter_low_vec, counter_high_vec; - load_counters(counter, increment_counter, &counter_low_vec, - &counter_high_vec); - uint8_t block_flags = flags | flags_start; - - for (size_t block = 0; block < blocks; block++) { - if (block + 1 == blocks) { - block_flags |= flags_end; - } - __m256i block_len_vec = set1(BLAKE3_BLOCK_LEN); - __m256i block_flags_vec = set1(block_flags); - __m256i msg_vecs[16]; - transpose_msg_vecs(inputs, block * BLAKE3_BLOCK_LEN, msg_vecs); - - __m256i v[16] = { - h_vecs[0], h_vecs[1], h_vecs[2], h_vecs[3], - h_vecs[4], h_vecs[5], h_vecs[6], h_vecs[7], - set1(IV[0]), set1(IV[1]), set1(IV[2]), set1(IV[3]), - counter_low_vec, counter_high_vec, block_len_vec, block_flags_vec, - }; - round_fn(v, msg_vecs, 0); - round_fn(v, msg_vecs, 1); - round_fn(v, msg_vecs, 2); - round_fn(v, msg_vecs, 3); - round_fn(v, msg_vecs, 4); - round_fn(v, msg_vecs, 5); - round_fn(v, msg_vecs, 6); - h_vecs[0] = xorv(v[0], v[8]); - h_vecs[1] = xorv(v[1], v[9]); - h_vecs[2] = xorv(v[2], v[10]); - h_vecs[3] = xorv(v[3], v[11]); - h_vecs[4] = xorv(v[4], v[12]); - h_vecs[5] = xorv(v[5], v[13]); - h_vecs[6] = xorv(v[6], v[14]); - h_vecs[7] = xorv(v[7], v[15]); - - block_flags = flags; - } - - transpose_vecs(h_vecs); - storeu(h_vecs[0], &out[0 * sizeof(__m256i)]); - storeu(h_vecs[1], &out[1 * sizeof(__m256i)]); - storeu(h_vecs[2], &out[2 * sizeof(__m256i)]); - storeu(h_vecs[3], &out[3 * sizeof(__m256i)]); - storeu(h_vecs[4], &out[4 * sizeof(__m256i)]); - storeu(h_vecs[5], &out[5 * sizeof(__m256i)]); - storeu(h_vecs[6], &out[6 * sizeof(__m256i)]); - storeu(h_vecs[7], &out[7 * sizeof(__m256i)]); -} - -#if !defined(BLAKE3_NO_SSE41) -void blake3_hash_many_sse41(const uint8_t *const *inputs, size_t num_inputs, - size_t blocks, const uint32_t key[8], - uint64_t counter, bool increment_counter, - uint8_t flags, uint8_t flags_start, - uint8_t flags_end, uint8_t *out); -#else -void blake3_hash_many_portable(const uint8_t *const *inputs, size_t num_inputs, - size_t blocks, const uint32_t key[8], - uint64_t counter, bool increment_counter, - uint8_t flags, uint8_t flags_start, - uint8_t flags_end, uint8_t *out); -#endif - -void blake3_hash_many_avx2(const uint8_t *const *inputs, size_t num_inputs, - size_t blocks, const uint32_t key[8], - uint64_t counter, bool increment_counter, - uint8_t flags, uint8_t flags_start, - uint8_t flags_end, uint8_t *out) { - while (num_inputs >= DEGREE) { - blake3_hash8_avx2(inputs, blocks, key, counter, increment_counter, flags, - flags_start, flags_end, out); - if (increment_counter) { - counter += DEGREE; - } - inputs += DEGREE; - num_inputs -= DEGREE; - out = &out[DEGREE * BLAKE3_OUT_LEN]; - } -#if !defined(BLAKE3_NO_SSE41) - blake3_hash_many_sse41(inputs, num_inputs, blocks, key, counter, - increment_counter, flags, flags_start, flags_end, out); -#else - blake3_hash_many_portable(inputs, num_inputs, blocks, key, counter, - increment_counter, flags, flags_start, flags_end, - out); -#endif -} |