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Merge pull request #26887 from kyler1cartesis:4.x

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invSqrt SIMD_SCALABLE implementation & HAL tests refactoring #26887

Enable CV_SIMD_SCALABLE for invSqrt.

* Banana Pi BF3 (SpacemiT K1) RISC-V
* Compiler: Syntacore Clang 18.1.4 (build 2024.12)

```
Geometric mean (ms)

                Name of Test                  baseline   simd      simd   
                                                       scalable  scalable
                                                                    vs
                                                                 baseline
                                                                (x-factor)
InvSqrtf::InvSqrtfFixture::(127x61, 32FC1)     0.163    0.051      3.23   
InvSqrtf::InvSqrtfFixture::(127x61, 64FC1)     0.241    0.103      2.35   
InvSqrtf::InvSqrtfFixture::(640x480, 32FC1)    6.460    1.893      3.41   
InvSqrtf::InvSqrtfFixture::(640x480, 64FC1)    9.687    3.999      2.42   
InvSqrtf::InvSqrtfFixture::(1280x720, 32FC1)   19.292   5.701      3.38   
InvSqrtf::InvSqrtfFixture::(1280x720, 64FC1)   29.452   11.963     2.46   
InvSqrtf::InvSqrtfFixture::(1920x1080, 32FC1)  43.326   12.805     3.38   
InvSqrtf::InvSqrtfFixture::(1920x1080, 64FC1)  65.566   26.881     2.44
```
This commit is contained in:
kyler1cartesis
2025-02-19 12:13:48 +03:00
committed by GitHub
parent 6092499907
commit d32d4da9a3
3 changed files with 161 additions and 149 deletions
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modules/core/src/mathfuncs_core.simd.hpp
+2 -2
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@@ -340,7 +340,7 @@ void invSqrt32f(const float* src, float* dst, int len)
int i = 0;
#if CV_SIMD
#if (CV_SIMD || CV_SIMD_SCALABLE)
const int VECSZ = VTraits<v_float32>::vlanes();
for( ; i < len; i += VECSZ*2 )
{
@@ -368,7 +368,7 @@ void invSqrt64f(const double* src, double* dst, int len)
CV_INSTRUMENT_REGION();
int i = 0;
#if CV_SIMD_64F
#if (CV_SIMD_64F || CV_SIMD_SCALABLE_64F)
const int VECSZ = VTraits<v_float64>::vlanes();
for ( ; i < len; i += VECSZ*2)
{