diff --git a/ggml/src/iqk/iqk_gemm_iqk_quants.cpp b/ggml/src/iqk/iqk_gemm_iqk_quants.cpp
index 9ec8557d..ac80923f 100644
--- a/ggml/src/iqk/iqk_gemm_iqk_quants.cpp
+++ b/ggml/src/iqk/iqk_gemm_iqk_quants.cpp
@@ -2461,14 +2461,21 @@ void iqk_convert_iq2_k_q8_k_r8(int n, const void * vx, size_t bx, void * vy, int
 }
 
 void iqk_convert_iq2_kl_q8_k_r8(int n, const void * vx, size_t bx, void * vy, int nrc_x) {
+#ifdef HAVE_FANCY_SIMD
+    constexpr int k_nr = 16;
+    using block_q8_k_r = block_q8_k_r16;
+#else
+    constexpr int k_nr = 8;
+    using block_q8_k_r = block_q8_k_r8;
+#endif
     GGML_ASSERT(n%QK_K == 0);
-    GGML_ASSERT(nrc_x%8 == 0);
+    GGML_ASSERT(nrc_x%k_nr == 0);
 
     int nb = n/QK_K;
 
-    const block_iq2_kl * x8[8];
+    const block_iq2_kl * x8[k_nr];
 
-    block_q8_k_r8 * y = (block_q8_k_r8 *)vy;
+    block_q8_k_r * y = (block_q8_k_r *)vy;
 
     __m256i values[4];
     {
@@ -2482,8 +2489,8 @@ void iqk_convert_iq2_kl_q8_k_r8(int n, const void * vx, size_t bx, void * vy, in
         }
     }
 
-    ggml_half dh[8];
-    float     dnew[8];
+    ggml_half dh[k_nr];
+    float     dnew[k_nr];
     uint32_t  block[8];
     int16_t   ls[16];
 
@@ -2494,14 +2501,14 @@ void iqk_convert_iq2_kl_q8_k_r8(int n, const void * vx, size_t bx, void * vy, in
     uint32_t sl32;
     const auto sl8 = (const int8_t *)&sl32;
 
-    for (int ix = 0; ix < nrc_x; ix += 8) {
-        for (int k = 0; k < 8; ++k) {
+    for (int ix = 0; ix < nrc_x; ix += k_nr) {
+        for (int k = 0; k < k_nr; ++k) {
             const ggml_half * dptr = (const ggml_half *)((const char *)vx + (ix+k)*bx);
             dh[k] = dptr[0];
             x8[k] = (const block_iq2_kl *)(dptr + 1);
         }
         for (int i = 0; i < nb; ++i) {
-            for (int k = 0; k < 8; ++k) {
+            for (int k = 0; k < k_nr; ++k) {
                 uint32_t aux32;
                 std::memcpy(&aux32, x8[k][i].scales_l, 4);
                 auto sh = x8[k][i].scales_h;
@@ -2539,10 +2546,19 @@ void iqk_convert_iq2_kl_q8_k_r8(int n, const void * vx, size_t bx, void * vy, in
                     }
                     hbits = _mm256_srli_epi16(hbits, 4);
                 }
-                dnew[k] = convert_to_q8_k_r8(k, 1.f/125, xv, ls, block, y[i].qs);
+                dnew[k] = convert_to_q8_k_r8<k_nr>(k, 1.f/125, xv, ls, block, y[i].qs);
             }
+#ifdef HAVE_FANCY_SIMD
+            auto vd = _mm512_mul_ps(_mm512_loadu_ps(dnew), _mm512_cvtph_ps(_mm256_loadu_si256((const __m256i *)dh)));
+            _mm256_storeu_si256((__m256i *)y[i].d, _mm512_cvtps_ph(vd, _MM_ROUND_NEAREST));
+            for (int l = 0; l < 64; ++l) {
+                auto v = _mm512_xor_si512(_mm512_loadu_si512((const __m512i *)y[i].qs + l), _mm512_set1_epi8(-128));
+                _mm512_storeu_si512((__m512i *)y[i].qs + l, v);
+            }
+#else
             auto vd = _mm256_mul_ps(_mm256_loadu_ps(dnew), _mm256_cvtph_ps(_mm_loadu_si128((const __m128i *)dh)));
             _mm_storeu_si128((__m128i *)y[i].d, _mm256_cvtps_ph(vd, _MM_ROUND_NEAREST));
+#endif
         }
         y += nb;
     }