for ( ; x <= len - 4; x += 4)
v_sum = vaddq_u32(v_sum, vmovl_u16(vld1_u16(src0 + x)));
-
+
unsigned int CV_DECL_ALIGNED(16) ar[4];
vst1q_u32(ar, v_sum);
for ( ; x <= len - 4; x += 4)
v_sum = vaddq_s32(v_sum, vmovl_s16(vld1_s16(src0 + x)));
-
+
int CV_DECL_ALIGNED(16) ar[4];
vst1q_s32(ar, v_sum);
nz += tab[val & 255] + tab[val >> 8];
}
}
+#elif CV_NEON
+ int len0 = len & -16, blockSize1 = (1 << 8) - 16, blockSize0 = blockSize1 << 6;
+ uint32x4_t v_nz = vdupq_n_u32(0u);
+ uint8x16_t v_zero = vdupq_n_u8(0), v_1 = vdupq_n_u8(1);
+ const uchar * src0 = src;
+
+ while( i < len0 )
+ {
+ int blockSizei = std::min(len0 - i, blockSize0), j = 0;
+
+ while (j < blockSizei)
+ {
+ int blockSizej = std::min(blockSizei - j, blockSize1), k = 0;
+ uint8x16_t v_pz = v_zero;
+
+ for( ; k <= blockSizej - 16; k += 16 )
+ v_pz = vaddq_u8(v_pz, vandq_u8(vceqq_u8(vld1q_u8(src0 + k), v_zero), v_1));
+
+ uint16x8_t v_p1 = vmovl_u8(vget_low_u8(v_pz)), v_p2 = vmovl_u8(vget_high_u8(v_pz));
+ v_nz = vaddq_u32(vaddl_u16(vget_low_u16(v_p1), vget_high_u16(v_p1)), v_nz);
+ v_nz = vaddq_u32(vaddl_u16(vget_low_u16(v_p2), vget_high_u16(v_p2)), v_nz);
+
+ src0 += blockSizej;
+ j += blockSizej;
+ }
+
+ i += blockSizei;
+ }
+
+ CV_DECL_ALIGNED(16) unsigned int buf[4];
+ vst1q_u32(buf, v_nz);
+ nz += i - saturate_cast<int>(buf[0] + buf[1] + buf[2] + buf[3]);
#endif
for( ; i < len; i++ )
nz += src[i] != 0;
}
static int countNonZero16u( const ushort* src, int len )
-{ return countNonZero_(src, len); }
+{
+ int i = 0, nz = 0;
+#if CV_NEON
+ int len0 = len & -8, blockSize1 = (1 << 15), blockSize0 = blockSize1 << 6;
+ uint32x4_t v_nz = vdupq_n_u32(0u);
+ uint16x8_t v_zero = vdupq_n_u16(0), v_1 = vdupq_n_u16(1);
+
+ while( i < len0 )
+ {
+ int blockSizei = std::min(len0 - i, blockSize0), j = 0;
+
+ while (j < blockSizei)
+ {
+ int blockSizej = std::min(blockSizei - j, blockSize1), k = 0;
+ uint16x8_t v_pz = v_zero;
+
+ for( ; k <= blockSizej - 8; k += 8 )
+ v_pz = vaddq_u16(v_pz, vandq_u16(vceqq_u16(vld1q_u16(src + k), v_zero), v_1));
+
+ v_nz = vaddq_u32(vaddl_u16(vget_low_u16(v_pz), vget_high_u16(v_pz)), v_nz);
+
+ src += blockSizej;
+ j += blockSizej;
+ }
+
+ i += blockSizei;
+ }
+
+ CV_DECL_ALIGNED(16) unsigned int buf[4];
+ vst1q_u32(buf, v_nz);
+ nz += i - saturate_cast<int>(buf[0] + buf[1] + buf[2] + buf[3]);
+#endif
+ return nz + countNonZero_(src, len - i);
+}
static int countNonZero32s( const int* src, int len )
-{ return countNonZero_(src, len); }
+{
+ int i = 0, nz = 0;
+#if CV_NEON
+ int len0 = len & -8, blockSize1 = (1 << 15), blockSize0 = blockSize1 << 6;
+ uint32x4_t v_nz = vdupq_n_u32(0u);
+ int32x4_t v_zero = vdupq_n_s32(0.0f);
+ uint16x8_t v_1 = vdupq_n_u16(1u), v_zerou = vdupq_n_u16(0u);
+
+ while( i < len0 )
+ {
+ int blockSizei = std::min(len0 - i, blockSize0), j = 0;
+
+ while (j < blockSizei)
+ {
+ int blockSizej = std::min(blockSizei - j, blockSize1), k = 0;
+ uint16x8_t v_pz = v_zerou;
+
+ for( ; k <= blockSizej - 8; k += 8 )
+ v_pz = vaddq_u16(v_pz, vandq_u16(vcombine_u16(vmovn_u32(vceqq_s32(vld1q_s32(src + k), v_zero)),
+ vmovn_u32(vceqq_s32(vld1q_s32(src + k + 4), v_zero))), v_1));
+
+ v_nz = vaddq_u32(vaddl_u16(vget_low_u16(v_pz), vget_high_u16(v_pz)), v_nz);
+
+ src += blockSizej;
+ j += blockSizej;
+ }
+
+ i += blockSizei;
+ }
+
+ CV_DECL_ALIGNED(16) unsigned int buf[4];
+ vst1q_u32(buf, v_nz);
+ nz += i - saturate_cast<int>(buf[0] + buf[1] + buf[2] + buf[3]);
+#endif
+ return nz + countNonZero_(src, len - i);
+}
static int countNonZero32f( const float* src, int len )
-{ return countNonZero_(src, len); }
+{
+ int i = 0, nz = 0;
+#if CV_NEON
+ int len0 = len & -8, blockSize1 = (1 << 15), blockSize0 = blockSize1 << 6;
+ uint32x4_t v_nz = vdupq_n_u32(0u);
+ float32x4_t v_zero = vdupq_n_f32(0.0f);
+ uint16x8_t v_1 = vdupq_n_u16(1u), v_zerou = vdupq_n_u16(0u);
+
+ while( i < len0 )
+ {
+ int blockSizei = std::min(len0 - i, blockSize0), j = 0;
+
+ while (j < blockSizei)
+ {
+ int blockSizej = std::min(blockSizei - j, blockSize1), k = 0;
+ uint16x8_t v_pz = v_zerou;
+
+ for( ; k <= blockSizej - 8; k += 8 )
+ v_pz = vaddq_u16(v_pz, vandq_u16(vcombine_u16(vmovn_u32(vceqq_f32(vld1q_f32(src + k), v_zero)),
+ vmovn_u32(vceqq_f32(vld1q_f32(src + k + 4), v_zero))), v_1));
+
+ v_nz = vaddq_u32(vaddl_u16(vget_low_u16(v_pz), vget_high_u16(v_pz)), v_nz);
+
+ src += blockSizej;
+ j += blockSizej;
+ }
+
+ i += blockSizei;
+ }
+
+ CV_DECL_ALIGNED(16) unsigned int buf[4];
+ vst1q_u32(buf, v_nz);
+ nz += i - saturate_cast<int>(buf[0] + buf[1] + buf[2] + buf[3]);
+#endif
+ return nz + countNonZero_(src, len - i);
+}
static int countNonZero64f( const double* src, int len )
{ return countNonZero_(src, len); }