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https://github.com/sockspls/badfish
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Remove some outdated SIMD functions
Since https://github.com/official-stockfish/Stockfish/pull/4391 the x2 SIMD functions no longer serve any useful purpose. Passed non-regression STC: https://tests.stockfishchess.org/tests/view/659cf42579aa8af82b966d55 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 67392 W: 17222 L: 17037 D: 33133 Ptnml(0-2): 207, 7668, 17762, 7851, 208 closes https://github.com/official-stockfish/Stockfish/pull/4974 No functional change
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mstembera
Disservin
parent
b5e8169a85
commit
32e46fc47f
2 changed files with 5 additions and 68 deletions
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@ -200,21 +200,18 @@ class AffineTransform {
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#define vec_setzero _mm512_setzero_si512
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#define vec_set_32 _mm512_set1_epi32
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#define vec_add_dpbusd_32 Simd::m512_add_dpbusd_epi32
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#define vec_add_dpbusd_32x2 Simd::m512_add_dpbusd_epi32x2
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#define vec_hadd Simd::m512_hadd
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#elif defined(USE_AVX2)
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using vec_t = __m256i;
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#define vec_setzero _mm256_setzero_si256
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#define vec_set_32 _mm256_set1_epi32
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#define vec_add_dpbusd_32 Simd::m256_add_dpbusd_epi32
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#define vec_add_dpbusd_32x2 Simd::m256_add_dpbusd_epi32x2
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#define vec_hadd Simd::m256_hadd
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#elif defined(USE_SSSE3)
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using vec_t = __m128i;
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#define vec_setzero _mm_setzero_si128
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#define vec_set_32 _mm_set1_epi32
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#define vec_add_dpbusd_32 Simd::m128_add_dpbusd_epi32
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#define vec_add_dpbusd_32x2 Simd::m128_add_dpbusd_epi32x2
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#define vec_hadd Simd::m128_hadd
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#endif
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@ -231,16 +228,14 @@ class AffineTransform {
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for (IndexType k = 0; k < NumRegs; ++k)
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acc[k] = biasvec[k];
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for (IndexType i = 0; i < NumChunks; i += 2)
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for (IndexType i = 0; i < NumChunks; ++i)
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{
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const vec_t in0 = vec_set_32(input32[i + 0]);
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const vec_t in1 = vec_set_32(input32[i + 1]);
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const vec_t in0 = vec_set_32(input32[i]);
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const auto col0 =
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reinterpret_cast<const vec_t*>(&weights[(i + 0) * OutputDimensions * 4]);
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const auto col1 =
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reinterpret_cast<const vec_t*>(&weights[(i + 1) * OutputDimensions * 4]);
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reinterpret_cast<const vec_t*>(&weights[i * OutputDimensions * 4]);
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for (IndexType k = 0; k < NumRegs; ++k)
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vec_add_dpbusd_32x2(acc[k], in0, col0[k], in1, col1[k]);
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vec_add_dpbusd_32(acc[k], in0, col0[k]);
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}
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vec_t* outptr = reinterpret_cast<vec_t*>(output);
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@ -250,7 +245,6 @@ class AffineTransform {
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#undef vec_setzero
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#undef vec_set_32
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#undef vec_add_dpbusd_32
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#undef vec_add_dpbusd_32x2
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#undef vec_hadd
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}
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else if constexpr (OutputDimensions == 1)
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@ -263,14 +257,12 @@ class AffineTransform {
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#define vec_setzero _mm256_setzero_si256
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#define vec_set_32 _mm256_set1_epi32
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#define vec_add_dpbusd_32 Simd::m256_add_dpbusd_epi32
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#define vec_add_dpbusd_32x2 Simd::m256_add_dpbusd_epi32x2
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#define vec_hadd Simd::m256_hadd
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#elif defined(USE_SSSE3)
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using vec_t = __m128i;
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#define vec_setzero _mm_setzero_si128
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#define vec_set_32 _mm_set1_epi32
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#define vec_add_dpbusd_32 Simd::m128_add_dpbusd_epi32
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#define vec_add_dpbusd_32x2 Simd::m128_add_dpbusd_epi32x2
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#define vec_hadd Simd::m128_hadd
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#endif
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@ -294,7 +286,6 @@ class AffineTransform {
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#undef vec_setzero
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#undef vec_set_32
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#undef vec_add_dpbusd_32
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#undef vec_add_dpbusd_32x2
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#undef vec_hadd
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}
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#else
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@ -87,21 +87,6 @@ m512_hadd128x16_interleave(__m512i sum0, __m512i sum1, __m512i sum2, __m512i sum
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#endif
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}
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[[maybe_unused]] static void
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m512_add_dpbusd_epi32x2(__m512i& acc, __m512i a0, __m512i b0, __m512i a1, __m512i b1) {
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#if defined(USE_VNNI)
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acc = _mm512_dpbusd_epi32(acc, a0, b0);
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acc = _mm512_dpbusd_epi32(acc, a1, b1);
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#else
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__m512i product0 = _mm512_maddubs_epi16(a0, b0);
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__m512i product1 = _mm512_maddubs_epi16(a1, b1);
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product0 = _mm512_madd_epi16(product0, _mm512_set1_epi16(1));
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product1 = _mm512_madd_epi16(product1, _mm512_set1_epi16(1));
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acc = _mm512_add_epi32(acc, _mm512_add_epi32(product0, product1));
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#endif
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}
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#endif
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#if defined(USE_AVX2)
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@ -124,21 +109,6 @@ m512_add_dpbusd_epi32x2(__m512i& acc, __m512i a0, __m512i b0, __m512i a1, __m512
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#endif
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}
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[[maybe_unused]] static void
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m256_add_dpbusd_epi32x2(__m256i& acc, __m256i a0, __m256i b0, __m256i a1, __m256i b1) {
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#if defined(USE_VNNI)
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acc = _mm256_dpbusd_epi32(acc, a0, b0);
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acc = _mm256_dpbusd_epi32(acc, a1, b1);
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#else
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__m256i product0 = _mm256_maddubs_epi16(a0, b0);
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__m256i product1 = _mm256_maddubs_epi16(a1, b1);
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product0 = _mm256_madd_epi16(product0, _mm256_set1_epi16(1));
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product1 = _mm256_madd_epi16(product1, _mm256_set1_epi16(1));
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acc = _mm256_add_epi32(acc, _mm256_add_epi32(product0, product1));
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#endif
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}
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#endif
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#if defined(USE_SSSE3)
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@ -156,27 +126,10 @@ m256_add_dpbusd_epi32x2(__m256i& acc, __m256i a0, __m256i b0, __m256i a1, __m256
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acc = _mm_add_epi32(acc, product0);
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}
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[[maybe_unused]] static void
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m128_add_dpbusd_epi32x2(__m128i& acc, __m128i a0, __m128i b0, __m128i a1, __m128i b1) {
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__m128i product0 = _mm_maddubs_epi16(a0, b0);
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__m128i product1 = _mm_maddubs_epi16(a1, b1);
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product0 = _mm_madd_epi16(product0, _mm_set1_epi16(1));
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product1 = _mm_madd_epi16(product1, _mm_set1_epi16(1));
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acc = _mm_add_epi32(acc, _mm_add_epi32(product0, product1));
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}
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#endif
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#if defined(USE_NEON_DOTPROD)
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[[maybe_unused]] static void dotprod_m128_add_dpbusd_epi32x2(
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int32x4_t& acc, int8x16_t a0, int8x16_t b0, int8x16_t a1, int8x16_t b1) {
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acc = vdotq_s32(acc, a0, b0);
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acc = vdotq_s32(acc, a1, b1);
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}
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[[maybe_unused]] static void
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dotprod_m128_add_dpbusd_epi32(int32x4_t& acc, int8x16_t a, int8x16_t b) {
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@ -198,13 +151,6 @@ dotprod_m128_add_dpbusd_epi32(int32x4_t& acc, int8x16_t a, int8x16_t b) {
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return neon_m128_reduce_add_epi32(sum) + bias;
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}
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[[maybe_unused]] static void
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neon_m128_add_dpbusd_epi32x2(int32x4_t& acc, int8x8_t a0, int8x8_t b0, int8x8_t a1, int8x8_t b1) {
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int16x8_t product = vmull_s8(a0, b0);
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product = vmlal_s8(product, a1, b1);
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acc = vpadalq_s16(acc, product);
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}
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#endif
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#if USE_NEON >= 8
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