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Merge remote-tracking branch 'upstream/3.4' into merge-3.4

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This commit is contained in:
Alexander Alekhin
2020-12-09 18:09:00 +00:00
parent 114848d313 8286d84fb1
commit de385009ae
15 changed files with 172 additions and 64 deletions
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modules/dnn/src/layers/fully_connected_layer.cpp
+8 -6
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@@ -245,16 +245,18 @@ public:
#if CV_SIMD128
for( ; i <= nw - 4; i += 4, wptr += 4*wstep )
{
v_float32x4 vs0 = v_setall_f32(0.f), vs1 = v_setall_f32(0.f);
v_float32x4 vs2 = v_setall_f32(0.f), vs3 = v_setall_f32(0.f);
v_float32x4 vs0 = v_setall_f32(0.f);
v_float32x4 vs1 = v_setall_f32(0.f);
v_float32x4 vs2 = v_setall_f32(0.f);
v_float32x4 vs3 = v_setall_f32(0.f);
for( k = 0; k < vecsize; k += 4 )
{
v_float32x4 v = v_load_aligned(sptr + k);
vs0 += v*v_load_aligned(wptr + k);
vs1 += v*v_load_aligned(wptr + wstep + k);
vs2 += v*v_load_aligned(wptr + wstep*2 + k);
vs3 += v*v_load_aligned(wptr + wstep*3 + k);
vs0 = v_fma(v, v_load_aligned(wptr + k), vs0);
vs1 = v_fma(v, v_load_aligned(wptr + wstep + k), vs1);
vs2 = v_fma(v, v_load_aligned(wptr + wstep*2 + k), vs2);
vs3 = v_fma(v, v_load_aligned(wptr + wstep*3 + k), vs3);
}
v_float32x4 s = v_reduce_sum4(vs0, vs1, vs2, vs3);