HCha/Stockfish
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Small cleanups (march 2021)

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With help of @BM123499, @mstembera, @gvreuls, @noobpwnftw and @Fanael
Thanks!

Closes https://github.com/official-stockfish/Stockfish/pull/3405

No functional change
This commit is contained in:
Stéphane Nicolet
2021-03-19 19:43:25 +01:00
parent ec42154ef2
commit 83eac08e75
12 changed files with 107 additions and 81 deletions
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3
src/nnue/features/half_kp.cpp
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@@ -40,7 +40,8 @@ namespace Stockfish::Eval::NNUE::Features {
Square ksq = orient(perspective, pos.square<KING>(perspective));
Bitboard bb = pos.pieces() & ~pos.pieces(KING);
while (bb) {
while (bb)
{
Square s = pop_lsb(bb);
active->push_back(make_index(perspective, s, pos.piece_on(s), ksq));
}

8
src/nnue/layers/affine_transform.h
View File

@@ -96,7 +96,7 @@ namespace Stockfish::Eval::NNUE::Layers {
IndexType idx = k / 2 * kOutputDimensions * 4 + k % 2;
sum[w[idx] < 0] += w[idx];
}
for (int sign : {-1, 1})
for (int sign : { -1, 1 })
while (sign * sum[sign == -1] > 258)
{
int maxK = 0, maxW = 0;
@@ -234,9 +234,9 @@ namespace Stockfish::Eval::NNUE::Layers {
__m128i product1 = _mm_maddubs_epi16(a1, b1);
__m128i product2 = _mm_maddubs_epi16(a2, b2);
__m128i product3 = _mm_maddubs_epi16(a3, b3);
product0 = _mm_adds_epi16(product0, product1);
product2 = _mm_adds_epi16(product2, product3);
product0 = _mm_adds_epi16(product0, product2);
product0 = _mm_add_epi16(product0, product1);
product2 = _mm_add_epi16(product2, product3);
product0 = _mm_add_epi16(product0, product2);
product0 = _mm_madd_epi16(product0, kOnes128);
acc = _mm_add_epi32(acc, product0);
};