*fix bug: Error in AVX-512BW optimizations of function SynetSoftmaxLa…

…yerForward.
ermig1979 · Nov 20, 2023 · e6f080d · e6f080d
1 parent 42b7706
commit e6f080d
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Showing 3 changed files with 4 additions and 6 deletions.
diff --git a/docs/2023.html b/docs/2023.html
@@ -38,6 +38,7 @@ <h4>Algorithms</h4>
 <h5>Bug fixing</h5>
 <ul>
  <li>Wrong order of SIMD_DEPRECATED macro.</li>
+ <li>Error in AVX-512BW optimizations of function SynetSoftmaxLayerForward.</li>
 </ul>
 
 <a href="#HOME">Home</a>

diff --git a/src/Simd/SimdAvx512bwSynetSoftmax.cpp b/src/Simd/SimdAvx512bwSynetSoftmax.cpp
@@ -221,6 +221,7 @@ namespace Simd
             max = _mm512_max_ps(max, a4);
             max = _mm512_max_ps(max, a5);
             max = _mm512_max_ps(max, a6);
+            max = _mm512_max_ps(max, a7);
             max = _mm512_max_ps(max, a8);
             max = _mm512_max_ps(max, a9);
             max = _mm512_max_ps(max, aA);

diff --git a/src/Simd/SimdExp.h b/src/Simd/SimdExp.h
@@ -47,7 +47,7 @@ namespace Simd
     {
         class Exp
         {
-            __m128i _exponent, _mantissa, _127;
+            __m128i _127;
             __m128 _1_0, _0_5, _min, _max, _exp0, _exp1, _exp2, _exp3, _exp4, _exp5, _k;
 
             SIMD_INLINE __m128 Poly5(__m128 x) const
@@ -75,8 +75,6 @@ namespace Simd
 
             SIMD_INLINE Exp(float k = 1.0f)
             {
-                _exponent = _mm_set1_epi32(0x7F800000);
-                _mantissa = _mm_set1_epi32(0x007FFFFF);
                 _127 = _mm_set1_epi32(127);
                 _1_0 = _mm_set1_ps(1.0f);
                 _0_5 = _mm_set1_ps(0.5f);
@@ -212,7 +210,7 @@ namespace Simd
     {
         class Exp
         {
-            __m256i _exponent, _mantissa, _127;
+            __m256i _127;
             __m256 _1_0, _0_5, _min, _max, _exp0, _exp1, _exp2, _exp3, _exp4, _exp5, _k;
 
             SIMD_INLINE __m256 Poly5(__m256 x) const
@@ -240,8 +238,6 @@ namespace Simd
 
             SIMD_INLINE Exp(float k = 1.0f)
             {
-                _exponent = _mm256_set1_epi32(0x7F800000);
-                _mantissa = _mm256_set1_epi32(0x007FFFFF);
                 _127 = _mm256_set1_epi32(127);
                 _1_0 = _mm256_set1_ps(1.0f);
                 _0_5 = _mm256_set1_ps(0.5f);