cont : tmp

ggml-ci

ggml/src/ggml-cpu/arch-fallback.h

@@ -38,16 +38,20 @@
 #define ggml_gemv_q4_0_8x8_q8_0_generic ggml_gemv_q4_0_8x8_q8_0
 #define ggml_gemv_q4_K_8x8_q8_K_generic ggml_gemv_q4_K_8x8_q8_K
 #define ggml_gemv_iq4_nl_4x4_q8_0_generic ggml_gemv_iq4_nl_4x4_q8_0
+#define ggml_gemv_iq4_nl_8x8_q8_0_generic ggml_gemv_iq4_nl_8x8_q8_0
 #define ggml_gemm_q4_0_4x4_q8_0_generic ggml_gemm_q4_0_4x4_q8_0
 #define ggml_gemm_q4_0_4x8_q8_0_generic ggml_gemm_q4_0_4x8_q8_0
 #define ggml_gemm_q4_0_8x8_q8_0_generic ggml_gemm_q4_0_8x8_q8_0
 #define ggml_gemm_q4_K_8x8_q8_K_generic ggml_gemm_q4_K_8x8_q8_K
 #define ggml_gemm_iq4_nl_4x4_q8_0_generic ggml_gemm_iq4_nl_4x4_q8_0
+#define ggml_gemm_iq4_nl_8x8_q8_0_generic ggml_gemm_iq4_nl_8x8_q8_0
 #elif defined(__aarch64__) || defined(__arm__) || defined(_M_ARM) || defined(_M_ARM64)
 // repack.cpp
 #define ggml_quantize_mat_q8_K_4x8_generic ggml_quantize_mat_q8_K_4x8
 #define ggml_gemv_q4_K_8x8_q8_K_generic ggml_gemv_q4_K_8x8_q8_K
+#define ggml_gemv_iq4_nl_8x8_q8_0_generic ggml_gemv_iq4_nl_8x8_q8_0
 #define ggml_gemm_q4_K_8x8_q8_K_generic ggml_gemm_q4_K_8x8_q8_K
+#define ggml_gemm_iq4_nl_8x8_q8_0_generic ggml_gemm_iq4_nl_8x8_q8_0
 #elif defined(__x86_64__) || defined(__i386__) || defined(_M_IX86) || defined(_M_X64)
 // repack.cpp
 #define ggml_quantize_mat_q8_0_4x4_generic ggml_quantize_mat_q8_0_4x4
@@ -73,11 +77,13 @@
 #define ggml_gemv_q4_0_8x8_q8_0_generic ggml_gemv_q4_0_8x8_q8_0
 #define ggml_gemv_q4_K_8x8_q8_K_generic ggml_gemv_q4_K_8x8_q8_K
 #define ggml_gemv_iq4_nl_4x4_q8_0_generic ggml_gemv_iq4_nl_4x4_q8_0
+#define ggml_gemv_iq4_nl_8x8_q8_0_generic ggml_gemv_iq4_nl_8x8_q8_0
 #define ggml_gemm_q4_0_4x4_q8_0_generic ggml_gemm_q4_0_4x4_q8_0
 #define ggml_gemm_q4_0_4x8_q8_0_generic ggml_gemm_q4_0_4x8_q8_0
 #define ggml_gemm_q4_0_8x8_q8_0_generic ggml_gemm_q4_0_8x8_q8_0
 #define ggml_gemm_q4_K_8x8_q8_K_generic ggml_gemm_q4_K_8x8_q8_K
 #define ggml_gemm_iq4_nl_4x4_q8_0_generic ggml_gemm_iq4_nl_4x4_q8_0
+#define ggml_gemm_iq4_nl_8x8_q8_0_generic ggml_gemm_iq4_nl_8x8_q8_0
 #elif defined(__loongarch64)
 // quants.c
 #define quantize_row_q8_K_generic quantize_row_q8_K
@@ -93,11 +99,13 @@
 #define ggml_gemv_q4_0_8x8_q8_0_generic ggml_gemv_q4_0_8x8_q8_0
 #define ggml_gemv_q4_K_8x8_q8_K_generic ggml_gemv_q4_K_8x8_q8_K
 #define ggml_gemv_iq4_nl_4x4_q8_0_generic ggml_gemv_iq4_nl_4x4_q8_0
+#define ggml_gemv_iq4_nl_8x8_q8_0_generic ggml_gemv_iq4_nl_8x8_q8_0
 #define ggml_gemm_q4_0_4x4_q8_0_generic ggml_gemm_q4_0_4x4_q8_0
 #define ggml_gemm_q4_0_4x8_q8_0_generic ggml_gemm_q4_0_4x8_q8_0
 #define ggml_gemm_q4_0_8x8_q8_0_generic ggml_gemm_q4_0_8x8_q8_0
 #define ggml_gemm_q4_K_8x8_q8_K_generic ggml_gemm_q4_K_8x8_q8_K
 #define ggml_gemm_iq4_nl_4x4_q8_0_generic ggml_gemm_iq4_nl_4x4_q8_0
+#define ggml_gemm_iq4_nl_8x8_q8_0_generic ggml_gemm_iq4_nl_8x8_q8_0
 #elif defined(__riscv)
 // quants.c
 #define quantize_row_q8_K_generic quantize_row_q8_K
@@ -120,10 +128,12 @@
 #define ggml_gemv_q4_0_4x8_q8_0_generic ggml_gemv_q4_0_4x8_q8_0
 #define ggml_gemv_q4_K_8x8_q8_K_generic ggml_gemv_q4_K_8x8_q8_K
 #define ggml_gemv_iq4_nl_4x4_q8_0_generic ggml_gemv_iq4_nl_4x4_q8_0
+#define ggml_gemv_iq4_nl_8x8_q8_0_generic ggml_gemv_iq4_nl_8x8_q8_0
 #define ggml_gemm_q4_0_4x4_q8_0_generic ggml_gemm_q4_0_4x4_q8_0
 #define ggml_gemm_q4_0_4x8_q8_0_generic ggml_gemm_q4_0_4x8_q8_0
 #define ggml_gemm_q4_K_8x8_q8_K_generic ggml_gemm_q4_K_8x8_q8_K
 #define ggml_gemm_iq4_nl_4x4_q8_0_generic ggml_gemm_iq4_nl_4x4_q8_0
+#define ggml_gemm_iq4_nl_8x8_q8_0_generic ggml_gemm_iq4_nl_8x8_q8_0
 #elif defined(__s390x__)
 // quants.c
 #define quantize_row_q8_K_generic quantize_row_q8_K
@@ -148,11 +158,13 @@
 #define ggml_gemv_q4_0_8x8_q8_0_generic ggml_gemv_q4_0_8x8_q8_0
 #define ggml_gemv_q4_K_8x8_q8_K_generic ggml_gemv_q4_K_8x8_q8_K
 #define ggml_gemv_iq4_nl_4x4_q8_0_generic ggml_gemv_iq4_nl_4x4_q8_0
+#define ggml_gemv_iq4_nl_8x8_q8_0_generic ggml_gemv_iq4_nl_8x8_q8_0
 #define ggml_gemm_q4_0_4x4_q8_0_generic ggml_gemm_q4_0_4x4_q8_0
 #define ggml_gemm_q4_0_4x8_q8_0_generic ggml_gemm_q4_0_4x8_q8_0
 #define ggml_gemm_q4_0_8x8_q8_0_generic ggml_gemm_q4_0_8x8_q8_0
 #define ggml_gemm_q4_K_8x8_q8_K_generic ggml_gemm_q4_K_8x8_q8_K
 #define ggml_gemm_iq4_nl_4x4_q8_0_generic ggml_gemm_iq4_nl_4x4_q8_0
+#define ggml_gemm_iq4_nl_8x8_q8_0_generic ggml_gemm_iq4_nl_8x8_q8_0
 #elif defined(__wasm__)
 // quants.c
 #define ggml_vec_dot_q4_1_q8_1_generic ggml_vec_dot_q4_1_q8_1
@@ -176,9 +188,11 @@
 #define ggml_gemv_q4_0_8x8_q8_0_generic ggml_gemv_q4_0_8x8_q8_0
 #define ggml_gemv_q4_K_8x8_q8_K_generic ggml_gemv_q4_K_8x8_q8_K
 #define ggml_gemv_iq4_nl_4x4_q8_0_generic ggml_gemv_iq4_nl_4x4_q8_0
+#define ggml_gemv_iq4_nl_8x8_q8_0_generic ggml_gemv_iq4_nl_8x8_q8_0
 #define ggml_gemm_q4_0_4x4_q8_0_generic ggml_gemm_q4_0_4x4_q8_0
 #define ggml_gemm_q4_0_4x8_q8_0_generic ggml_gemm_q4_0_4x8_q8_0
 #define ggml_gemm_q4_0_8x8_q8_0_generic ggml_gemm_q4_0_8x8_q8_0
 #define ggml_gemm_q4_K_8x8_q8_K_generic ggml_gemm_q4_K_8x8_q8_K
 #define ggml_gemm_iq4_nl_4x4_q8_0_generic ggml_gemm_iq4_nl_4x4_q8_0
+#define ggml_gemm_iq4_nl_8x8_q8_0_generic ggml_gemm_iq4_nl_8x8_q8_0
 #endif

ggml/src/ggml-cpu/repack.cpp

@@ -206,8 +206,9 @@ void ggml_gemv_q4_0_4x4_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs,
     const int ncols_interleaved = 4;
     const int blocklen = 4;
 
-    assert (n % qk == 0);
-    assert (nc % ncols_interleaved == 0);
+    assert(nr == 1);
+    assert(n % qk == 0);
+    assert(nc % ncols_interleaved == 0);
 
     UNUSED(s);
     UNUSED(bs);
@@ -307,30 +308,28 @@ void ggml_gemv_q4_0_8x8_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs,
     UNUSED(ncols_interleaved);
     UNUSED(blocklen);
 
-    {
-        float sumf[8];
-        int sumi;
+    float sumf[8];
+    int sumi;
 
-        const block_q8_0 * a_ptr = (const block_q8_0 *) vy;
-        for (int x = 0; x < nc / ncols_interleaved; x++) {
-            const block_q4_0x8 * b_ptr = (const block_q4_0x8 *) vx + (x * nb);
+    const block_q8_0 * a_ptr = (const block_q8_0 *) vy;
+    for (int x = 0; x < nc / ncols_interleaved; x++) {
+        const block_q4_0x8 * b_ptr = (const block_q4_0x8 *) vx + (x * nb);
 
-            for (int j = 0; j < ncols_interleaved; j++) sumf[j] = 0.0;
-            for (int l = 0; l < nb; l++) {
-                for (int k = 0; k < (qk / (2 * blocklen)); k++) {
-                    for (int j = 0; j < ncols_interleaved; j++) {
-                        sumi = 0;
-                        for (int i = 0; i < blocklen; ++i) {
-                            const int v0 = (int8_t) (b_ptr[l].qs[k * ncols_interleaved * blocklen + j * blocklen + i] << 4);
-                            const int v1 = (int8_t) (b_ptr[l].qs[k * ncols_interleaved * blocklen + j * blocklen + i] & 0xF0);
-                            sumi += ((v0 * a_ptr[l].qs[k * blocklen + i]) + (v1 * a_ptr[l].qs[k * blocklen + i + qk / 2])) >> 4;
-                        }
-                        sumf[j] += sumi * GGML_CPU_FP16_TO_FP32(b_ptr[l].d[j]) * GGML_CPU_FP16_TO_FP32(a_ptr[l].d);
+        for (int j = 0; j < ncols_interleaved; j++) sumf[j] = 0.0;
+        for (int l = 0; l < nb; l++) {
+            for (int k = 0; k < (qk / (2 * blocklen)); k++) {
+                for (int j = 0; j < ncols_interleaved; j++) {
+                    sumi = 0;
+                    for (int i = 0; i < blocklen; ++i) {
+                        const int v0 = (int8_t) (b_ptr[l].qs[k * ncols_interleaved * blocklen + j * blocklen + i] << 4);
+                        const int v1 = (int8_t) (b_ptr[l].qs[k * ncols_interleaved * blocklen + j * blocklen + i] & 0xF0);
+                        sumi += ((v0 * a_ptr[l].qs[k * blocklen + i]) + (v1 * a_ptr[l].qs[k * blocklen + i + qk / 2])) >> 4;
                     }
+                    sumf[j] += sumi * GGML_CPU_FP16_TO_FP32(b_ptr[l].d[j]) * GGML_CPU_FP16_TO_FP32(a_ptr[l].d);
                 }
             }
-            for (int j = 0; j < ncols_interleaved; j++) s[x * ncols_interleaved + j] = sumf[j];
         }
+        for (int j = 0; j < ncols_interleaved; j++) s[x * ncols_interleaved + j] = sumf[j];
     }
 }
 
@@ -418,43 +417,73 @@ void ggml_gemv_iq4_nl_4x4_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs
     const int ncols_interleaved = 4;
     const int blocklen = 4;
 
-    assert (n % qk == 0);
-    assert (nc % ncols_interleaved == 0);
+    assert(nr == 1);
+    assert(n % qk == 0);
+    assert(nc % ncols_interleaved == 0);
 
-    UNUSED(s);
     UNUSED(bs);
-    UNUSED(vx);
-    UNUSED(vy);
     UNUSED(nr);
-    UNUSED(nc);
-    UNUSED(nb);
-    UNUSED(ncols_interleaved);
-    UNUSED(blocklen);
 
-    {
-        float sumf[4];
-        int sumi;
+    float sumf[4];
+    int sumi;
 
-        const block_q8_0 * a_ptr = (const block_q8_0 *) vy;
-        for (int x = 0; x < nc / ncols_interleaved; x++) {
-            const block_iq4_nlx4 * b_ptr = (const block_iq4_nlx4 *) vx + (x * nb);
+    const block_q8_0 * a_ptr = (const block_q8_0 *) vy;
+    for (int x = 0; x < nc / ncols_interleaved; x++) {
+        const block_iq4_nlx4 * b_ptr = (const block_iq4_nlx4 *) vx + (x * nb);
 
-            for (int j = 0; j < ncols_interleaved; j++) sumf[j] = 0.0;
-            for (int l = 0; l < nb; l++) {
-                for (int k = 0; k < (qk / (2 * blocklen)); k++) {
-                    for (int j = 0; j < ncols_interleaved; j++) {
-                        sumi = 0;
-                        for (int i = 0; i < blocklen; ++i) {
-                            const int v0 = kvalues_iq4nl[b_ptr[l].qs[k * ncols_interleaved * blocklen + j * blocklen + i] & 0x0F];
-                            const int v1 = kvalues_iq4nl[b_ptr[l].qs[k * ncols_interleaved * blocklen + j * blocklen + i] >> 4];
-                            sumi += ((v0 * a_ptr[l].qs[k * blocklen + i]) + (v1 * a_ptr[l].qs[k * blocklen + i + qk / 2]));
-                        }
-                        sumf[j] += sumi * GGML_CPU_FP16_TO_FP32(b_ptr[l].d[j]) * GGML_CPU_FP16_TO_FP32(a_ptr[l].d);
+        for (int j = 0; j < ncols_interleaved; j++) sumf[j] = 0.0;
+        for (int l = 0; l < nb; l++) {
+            for (int k = 0; k < (qk / (2 * blocklen)); k++) {
+                for (int j = 0; j < ncols_interleaved; j++) {
+                    sumi = 0;
+                    for (int i = 0; i < blocklen; ++i) {
+                        const int v0 = kvalues_iq4nl[b_ptr[l].qs[k * ncols_interleaved * blocklen + j * blocklen + i] & 0x0F];
+                        const int v1 = kvalues_iq4nl[b_ptr[l].qs[k * ncols_interleaved * blocklen + j * blocklen + i] >> 4];
+                        sumi += ((v0 * a_ptr[l].qs[k * blocklen + i]) + (v1 * a_ptr[l].qs[k * blocklen + i + qk / 2]));
                     }
+                    sumf[j] += sumi * GGML_CPU_FP16_TO_FP32(b_ptr[l].d[j]) * GGML_CPU_FP16_TO_FP32(a_ptr[l].d);
                 }
             }
-            for (int j = 0; j < ncols_interleaved; j++) s[x * ncols_interleaved + j] = sumf[j];
         }
+        for (int j = 0; j < ncols_interleaved; j++) s[x * ncols_interleaved + j] = sumf[j];
+    }
+}
+
+void ggml_gemv_iq4_nl_8x8_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc) {
+    const int qk = QK8_0;
+    const int nb = n / qk;
+    const int ncols_interleaved = 8;
+    const int blocklen = 8;
+
+    assert(nr == 1);
+    assert(n % qk == 0);
+    assert(nc % ncols_interleaved == 0);
+
+    UNUSED(bs);
+    UNUSED(nr);
+
+    float sumf[8];
+    int sumi;
+
+    const block_q8_0 * a_ptr = (const block_q8_0 *) vy;
+    for (int x = 0; x < nc / ncols_interleaved; x++) {
+        const block_iq4_nlx8 * b_ptr = (const block_iq4_nlx8 *) vx + (x * nb);
+
+        for (int j = 0; j < ncols_interleaved; j++) sumf[j] = 0.0;
+        for (int l = 0; l < nb; l++) {
+            for (int k = 0; k < (qk / (2 * blocklen)); k++) {
+                for (int j = 0; j < ncols_interleaved; j++) {
+                    sumi = 0;
+                    for (int i = 0; i < blocklen; ++i) {
+                        const int v0 = kvalues_iq4nl[b_ptr[l].qs[k * ncols_interleaved * blocklen + j * blocklen + i] & 0x0F];
+                        const int v1 = kvalues_iq4nl[b_ptr[l].qs[k * ncols_interleaved * blocklen + j * blocklen + i] >> 4];
+                        sumi += ((v0 * a_ptr[l].qs[k * blocklen + i]) + (v1 * a_ptr[l].qs[k * blocklen + i + qk / 2]));
+                    }
+                    sumf[j] += sumi * GGML_CPU_FP16_TO_FP32(b_ptr[l].d[j]) * GGML_CPU_FP16_TO_FP32(a_ptr[l].d);
+                }
+            }
+        }
+        for (int j = 0; j < ncols_interleaved; j++) s[x * ncols_interleaved + j] = sumf[j];
     }
 }
 
@@ -767,6 +796,50 @@ void ggml_gemm_iq4_nl_4x4_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs
     }
 }
 
+void ggml_gemm_iq4_nl_8x8_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc) {
+    const int qk = QK8_0;
+    const int nb = n / qk;
+    const int ncols_interleaved = 8;
+    const int blocklen = 8;
+
+    assert(n % qk == 0);
+    assert(nr % 4 == 0);
+    assert(nc % ncols_interleaved == 0);
+
+    float sumf[4][8];
+    int sumi;
+
+    for (int y = 0; y < nr / 4; y++) {
+        const block_q8_0x4 * a_ptr = (const block_q8_0x4 *) vy + (y * nb);
+        for (int x = 0; x < nc / ncols_interleaved; x++) {
+            const block_iq4_nlx8 * b_ptr = (const block_iq4_nlx8 *) vx + (x * nb);
+            for (int m = 0; m < 4; m++) {
+                for (int j = 0; j < ncols_interleaved; j++) sumf[m][j] = 0.0;
+            }
+            for (int l = 0; l < nb; l++) {
+                for (int k = 0; k < (qk / (2 * blocklen)); k++) {
+                    for (int m = 0; m < 4; m++) {
+                        for (int j = 0; j < ncols_interleaved; j++) {
+                            sumi = 0;
+                            for (int i = 0; i < blocklen; ++i) {
+                                const int v0 = kvalues_iq4nl[b_ptr[l].qs[k * ncols_interleaved * blocklen + j * blocklen + i] & 0x0F];
+                                const int v1 = kvalues_iq4nl[b_ptr[l].qs[k * ncols_interleaved * blocklen + j * blocklen + i] >> 4];
+                                sumi += ((v0 * a_ptr[l].qs[k * 4 * blocklen + m * blocklen + i]) +
+                                         (v1 * a_ptr[l].qs[k * 4 * blocklen + m * blocklen + i + qk / 2 * 4]));
+                            }
+                            sumf[m][j] += sumi * GGML_CPU_FP16_TO_FP32(b_ptr[l].d[j]) * GGML_CPU_FP16_TO_FP32(a_ptr[l].d[m]);
+                        }
+                    }
+                }
+            }
+            for (int m = 0; m < 4; m++) {
+                for (int j = 0; j < ncols_interleaved; j++)
+                    s[(y * 4 + m) * bs + x * ncols_interleaved + j] = sumf[m][j];
+            }
+        }
+    }
+}
+
 } // extern "C"
 
 static block_q4_0x4 make_block_q4_0x4(block_q4_0 * in, unsigned int blck_size_interleave) {
@@ -1043,15 +1116,16 @@ static block_iq4_nlx4 make_block_iq4_nlx4(block_iq4_nl * in, unsigned int blck_s
 
 static int repack_iq4_nl_to_iq4_nl_4_bl(struct ggml_tensor * t, int interleave_block, const void * GGML_RESTRICT data, size_t data_size) {
     GGML_ASSERT(t->type == GGML_TYPE_IQ4_NL);
-    //GGML_ASSERT(interleave_block == 4 || interleave_block == 8);
     GGML_ASSERT(interleave_block == 4);
 
-    block_iq4_nlx4 * dst = (block_iq4_nlx4 *)t->data;
-    const block_iq4_nl * src = (const block_iq4_nl *)data;
+    const block_iq4_nl   * src = (const block_iq4_nl   *)data;
+          block_iq4_nlx4 * dst = (      block_iq4_nlx4 *)t->data;
+
     block_iq4_nl dst_tmp[4];
+
     int nrow = ggml_nrows(t);
     int nrows_interleaved = 4;
-    int nblocks = t->ne[0] / QK4_0;
+    int nblocks = t->ne[0] / QK4_NL;
 
     GGML_ASSERT(data_size == nrow * nblocks * sizeof(block_iq4_nl));
 
@@ -1073,6 +1147,63 @@ static int repack_iq4_nl_to_iq4_nl_4_bl(struct ggml_tensor * t, int interleave_b
     GGML_UNUSED(data_size);
 }
 
+static block_iq4_nlx8 make_block_iq4_nlx8(block_iq4_nl * in, unsigned int blck_size_interleave) {
+    block_iq4_nlx8 out;
+
+    for (int i = 0; i < 8; i++) {
+        out.d[i] = in[i].d;
+    }
+
+    const int end = QK4_NL * 4 / blck_size_interleave;
+
+    if (blck_size_interleave == 8) {
+        for (int i = 0; i < end; ++i) {
+            int src_id = i % 8;
+            int src_offset = (i / 8) * blck_size_interleave;
+            int dst_offset = i * blck_size_interleave;
+
+            memcpy(&out.qs[dst_offset], &in[src_id].qs[src_offset], sizeof(uint64_t));
+        }
+    } else {
+        GGML_ASSERT(false);
+    }
+
+    return out;
+}
+
+static int repack_iq4_nl_to_iq4_nl_8_bl(struct ggml_tensor * t, int interleave_block, const void * GGML_RESTRICT data, size_t data_size) {
+    GGML_ASSERT(t->type == GGML_TYPE_IQ4_NL);
+    GGML_ASSERT(interleave_block == 8);
+
+    const block_iq4_nl   * src = (const block_iq4_nl   *)data;
+          block_iq4_nlx8 * dst = (      block_iq4_nlx8 *)t->data;
+
+    block_iq4_nl dst_tmp[8];
+
+    int nrow = ggml_nrows(t);
+    int nrows_interleaved = 8;
+    int nblocks = t->ne[0] / QK4_NL;
+
+    GGML_ASSERT(data_size == nrow * nblocks * sizeof(block_iq4_nl));
+
+    if (t->ne[1] % nrows_interleaved != 0) {
+        return -1;
+    }
+
+    for (int b = 0; b < nrow; b += nrows_interleaved) {
+        for (int64_t x = 0; x < nblocks; x++) {
+            for (int i = 0; i < nrows_interleaved; i++) {
+                dst_tmp[i] = src[x + i * nblocks];
+            }
+            *dst++ = make_block_iq4_nlx8(dst_tmp, interleave_block);
+        }
+        src += nrows_interleaved * nblocks;
+    }
+    return 0;
+
+    GGML_UNUSED(data_size);
+}
+
 namespace ggml::cpu::repack {
 // repack
 template <typename BLOC_TYPE, int64_t INTER_SIZE, int64_t NB_COLS>
@@ -1104,6 +1235,10 @@ template <> int repack<block_iq4_nl, 4, 4>(struct ggml_tensor * t, const void *
 //    return repack_iq4_nl_to_iq4_nl_4_bl(t, 8, data, data_size);
 //}
 
+template <> int repack<block_iq4_nl, 8, 8>(struct ggml_tensor * t, const void * data, size_t data_size) {
+    return repack_iq4_nl_to_iq4_nl_8_bl(t, 8, data, data_size);
+}
+
 // gemv
 template <typename BLOC_TYPE, int64_t INTER_SIZE, int64_t NB_COLS, ggml_type PARAM_TYPE>
 void gemv(int, float *, size_t, const void *, const void *, int, int);
@@ -1128,6 +1263,10 @@ template <> void gemv<block_iq4_nl, 4, 4, GGML_TYPE_Q8_0>(int n, float * s, size
     ggml_gemv_iq4_nl_4x4_q8_0(n, s, bs, vx, vy, nr, nc);
 }
 
+template <> void gemv<block_iq4_nl, 8, 8, GGML_TYPE_Q8_0>(int n, float * s, size_t bs, const void * vx, const void * vy, int nr, int nc) {
+    ggml_gemv_iq4_nl_8x8_q8_0(n, s, bs, vx, vy, nr, nc);
+}
+
 // gemm
 template <typename BLOC_TYPE, int64_t INTER_SIZE, int64_t NB_COLS, ggml_type PARAM_TYPE>
 void gemm(int, float *, size_t, const void *, const void *, int, int);
@@ -1152,6 +1291,10 @@ template <> void gemm<block_iq4_nl, 4, 4, GGML_TYPE_Q8_0>(int n, float * s, size
     ggml_gemm_iq4_nl_4x4_q8_0(n, s, bs, vx, vy, nr, nc);
 }
 
+template <> void gemm<block_iq4_nl, 8, 8, GGML_TYPE_Q8_0>(int n, float * s, size_t bs, const void * vx, const void * vy, int nr, int nc) {
+    ggml_gemm_iq4_nl_8x8_q8_0(n, s, bs, vx, vy, nr, nc);
+}
+
 class tensor_traits_base : public ggml::cpu::tensor_traits {
   public:
     virtual int repack(struct ggml_tensor * t, const void * data, size_t data_size) = 0;
@@ -1169,15 +1312,39 @@ template <typename BLOC_TYPE, int64_t INTER_SIZE, int64_t NB_COLS, ggml_type PAR
                 }
             case GGML_OP_MUL_MAT_ID:
                 {
-                    size = ggml_row_size(PARAM_TYPE, ggml_nelements(op->src[1]));
-                    size = GGML_PAD(size, sizeof(int64_t)); // + padding for next bloc.
+                    const ggml_tensor * src0 = op->src[0];
+                    const ggml_tensor * src1 = op->src[1];
+                    const ggml_tensor * dst  = op;
 
-                    const int64_t ne02 = op->src[0]->ne[2]; // n_as, n_expert
-                    const int64_t ne12 = op->src[1]->ne[2]; // n_tokens
+                    GGML_TENSOR_BINARY_OP_LOCALS
 
-                    const size_t sizeof_mmid_row_mapping = sizeof(int64_t);
+                    // src0 [n_embd, n_rows,        n_expert]
+                    // src1 [n_embd, n_expert_used, n_tokens]
+                    // dst  [n_rows, n_expert_used, n_tokens]
 
-                    size += sizeof_mmid_row_mapping*ne02*(ne12 + 1);
+                    // htmp [n_embd, n_tokens, n_expert] F32
+                    size_t size_htmp  = ggml_row_size(GGML_TYPE_F32, ne00*ne12*ne02);
+
+                    // hsrc1 [n_embd, n_tokens, n_expert]
+                    size_t size_hsrc1 = ggml_row_size(PARAM_TYPE,    ne00*ne12*ne02);
+
+                    // hdst [n_rows, n_tokens, n_expert]
+                    size_t size_hdst  = ggml_row_size(GGML_TYPE_F32, ne01*ne12*ne02);
+
+                    // htpe [n_expert]
+                    size_t size_htpe  = ggml_row_size(GGML_TYPE_I32, ne02);
+
+                    // hids [n_expert*n_tokens]
+                    size_t size_hids  = ggml_row_size(GGML_TYPE_I32, ne02*ne12);
+
+                    // + padding
+                    size_htmp  = GGML_PAD(size_htmp,  sizeof(int64_t));
+                    size_hsrc1 = GGML_PAD(size_hsrc1, sizeof(int64_t));
+                    size_hdst  = GGML_PAD(size_hdst,  sizeof(int64_t));
+                    size_htpe  = GGML_PAD(size_htpe,  sizeof(int64_t));
+                    size_hids  = GGML_PAD(size_hids,  sizeof(int64_t));
+
+                    size = size_htmp + size_hsrc1 + size_hdst + size_htpe + size_hids;
 
                     return true;
                 }
@@ -1303,77 +1470,121 @@ template <typename BLOC_TYPE, int64_t INTER_SIZE, int64_t NB_COLS, ggml_type PAR
 
         GGML_ASSERT(src1->type == GGML_TYPE_F32);
 
-        // row groups
-        const int n_ids = ids->ne[0]; // n_expert_used
-        const int n_as  = ne02;       // n_expert
+        const int64_t ne20 = ids->ne[0];
 
-        const size_t nbw1 = ggml_row_size(PARAM_TYPE, ne10);
-        const size_t nbw2 = nbw1*ne11;
-        const size_t nbw3 = nbw2*ne12;
+        // src0 [n_embd,        n_rows,         n_expert]
+        // src1 [n_embd,        n_expert_used', n_tokens]
+        // src2 [n_expert_used, n_tokens]
+        // dst  [n_rows,        n_expert_used,  n_tokens]
 
-        struct mmid_row_mapping {
-            int32_t i1;
-            int32_t i2;
-        };
+        // htmp [n_embd, n_tokens, n_expert] F32
+        size_t size_htmp  = ggml_row_size(GGML_TYPE_F32, ne00*ne12*ne02);
 
-        GGML_ASSERT(params->wsize >=
-                (GGML_PAD(nbw3, sizeof(int64_t)) +
-                 n_as*(ne12 + 1)*sizeof(mmid_row_mapping))
-                );
+        // hsrc1 [n_embd, n_tokens, n_expert]
+        size_t size_hsrc1 = ggml_row_size(PARAM_TYPE,    ne00*ne12*ne02);
 
-        auto * wdata          = (char *)params->wdata;
-        auto * wdata_src1_end = (char *)wdata + GGML_PAD(nbw3, sizeof(int64_t));
+        // hdst [n_rows, n_tokens, n_expert]
+        size_t size_hdst  = ggml_row_size(GGML_TYPE_F32, ne01*ne12*ne02);
 
-        // total of [n_as][ne12 + 1] elemets of type mmid_row_mapping (2*int32_t = int64_t)
-        auto * matrix_row_counts = (int64_t *) (wdata_src1_end);                                        // [n_as]
-        struct mmid_row_mapping * matrix_rows = (struct mmid_row_mapping *) (matrix_row_counts + n_as); // [n_as][ne12]
+        // htpe [n_expert]
+        size_t size_htpe  = ggml_row_size(GGML_TYPE_I32, ne02);
 
-        // src1: float32 => param type
-        for (int64_t i12 = 0; i12 < ne12; ++i12) {
-            for (int64_t i11 = ith; i11 < ne11; i11 += nth) {
-                from_float((float *)((char *) src1->data + i12 * nb12 + i11 * nb11),
-                           (void *)               (wdata + i12 * nbw2 + i11 * nbw1),
-                           ne10);
-            }
+        // hids [n_expert*n_tokens]
+        size_t size_hids  = ggml_row_size(GGML_TYPE_I32, ne02*ne12);
+
+        // + padding
+        size_htmp  = GGML_PAD(size_htmp,  sizeof(int64_t));
+        size_hsrc1 = GGML_PAD(size_hsrc1, sizeof(int64_t));
+        size_hdst  = GGML_PAD(size_hdst,  sizeof(int64_t));
+        size_htpe  = GGML_PAD(size_htpe,  sizeof(int64_t));
+        size_hids  = GGML_PAD(size_hids,  sizeof(int64_t));
+
+        char * wdata_htmp  = (char *) params->wdata;
+        char * wdata_hsrc1 = (char *) params->wdata + size_htmp;
+        char * wdata_hdst  = (char *) params->wdata + size_htmp + size_hsrc1;
+        char * wdata_htpe  = (char *) params->wdata + size_htmp + size_hsrc1 + size_hdst;
+        char * wdata_hids  = (char *) params->wdata + size_htmp + size_hsrc1 + size_hdst + size_htpe;
+
+        const size_t nbht1 = ggml_row_size(GGML_TYPE_F32, ne00);
+        const size_t nbht2 = nbht1*ne12;
+
+        const size_t nbh11 = ggml_row_size(PARAM_TYPE, ne00);
+        const size_t nbh12 = nbh11*ne12;
+
+        const size_t nbh1 = ggml_row_size(GGML_TYPE_F32, ne01);
+        const size_t nbh2 = nbh1*ne12;
+
+        char    * htmp  = (char    *)(wdata_htmp);
+        char    * hsrc1 = (char    *)(wdata_hsrc1);
+        char    * hdst  = (char    *)(wdata_hdst);
+        int32_t * htpe  = (int32_t *)(wdata_htpe);
+        int32_t * hids  = (int32_t *)(wdata_hids);
+
+        for (int64_t i02 = ith; i02 < ne02; i02 += nth) {
+            htpe[i02] = 0;
         }
 
-#define MMID_MATRIX_ROW(row_id, i1) matrix_rows[(row_id) * ne12 + (i1)]
+        // src1 (float32) => htmp (float32)
+        for (int64_t i12 = 0; i12 < ne12; ++i12) { // n_tokens
+            for (int64_t i20 = 0; i20 < ne20; ++i20) { // n_expert_used
+                // the selected expert
+                const int32_t i02 = *(const int32_t *) ((const char *) ids->data + i12*ids->nb[1] + i20*ids->nb[0]);
 
-        if (ith == 0) {
-            // initialize matrix_row_counts
-            memset(matrix_row_counts, 0, n_as * sizeof(int64_t));
-
-            // group rows by src0 matrix
-            for (int32_t iid1 = 0; iid1 < ids->ne[1]; ++iid1) {
-                for (int32_t id = 0; id < n_ids; ++id) {
-                    const int32_t i02 =
-                        *(const int32_t *) ((const char *) ids->data + iid1 * ids->nb[1] + id * ids->nb[0]);
-
-                    GGML_ASSERT(i02 >= 0 && i02 < n_as);
-
-                    MMID_MATRIX_ROW(i02, matrix_row_counts[i02]) = { id, iid1 };
-                    matrix_row_counts[i02] += 1;
+                if (i02 % nth != ith) {
+                    continue;
                 }
+
+#if 1
+                memcpy(         htmp       + i02*nbht2 + htpe[i02]*nbht1,
+                       (char *) src1->data + i12*nb12  + (i20%ne11)*nb11,
+                                ggml_row_size(GGML_TYPE_F32, ne10));
+#else
+                from_float(
+                        (float *)((char *) src1->data + i12*nb12  + (i20%ne11)*nb11),
+                        (void  *) (hsrc1 + htpe[i02]*nbh11 + i02*nbh12), ne10);
+#endif
+
+                hids[i12*ne20 + i20] = i02*ne12 + htpe[i02];
+                htpe[i02]++;
             }
         }
 
-        ggml_barrier(params->threadpool);
-
-        // compute each matrix multiplication in sequence
-        for (int cur_a = 0; cur_a < n_as; ++cur_a) {
-            const int64_t cne1 = matrix_row_counts[cur_a];
-
-            if (cne1 == 0) {
+#if 1
+        // htmp (float32) => hsrc1 (param type)
+        for (int64_t i02 = 0; i02 < ne02; ++i02) { // n_expert
+            if (i02 % nth != ith) {
                 continue;
             }
 
-            const auto * src0_cur = (const char *) src0->data + cur_a*nb02;
+            const int64_t neh11 = htpe[i02];
 
-            //const int64_t nr0 = ne01; // src0 rows
-            const int64_t nr1 = cne1; // src1 rows
+            for (int64_t i11 = 0; i11 < neh11 - neh11 % 4; i11 += 4) {
+                ggml_quantize_mat_t<INTER_SIZE, PARAM_TYPE>(
+                        (float *) (htmp  + i11*nbht1 + i02*nbht2),
+                        (void  *) (hsrc1 + i11*nbh11 + i02*nbh12), 4, ne10);
+            }
 
-            int64_t src0_cur_start = (ith * ne01) / nth;
-            int64_t src0_cur_end   = ((ith + 1) * ne01) / nth;
+            for (int64_t i11 = neh11 - neh11 % 4; i11 < neh11; i11 += 1) {
+                from_float(
+                        (float *) (htmp  + i11*nbht1 + i02*nbht2),
+                        (void  *) (hsrc1 + i11*nbh11 + i02*nbh12), ne10);
+            }
+        }
+#endif
+
+        ggml_barrier(params->threadpool);
+
+        for (int64_t i02 = 0; i02 < ne02; ++i02) { // n_expert
+            const int64_t neh11 = htpe[i02];
+
+            if (neh11 == 0) {
+                continue;
+            }
+
+            const auto * src0_cur = (const char *) src0->data + i02*nb02;
+
+            int64_t src0_cur_start = ((ith    )*ne01)/nth;
+            int64_t src0_cur_end   = ((ith + 1)*ne01)/nth;
 
             src0_cur_start = (src0_cur_start % NB_COLS) ? src0_cur_start + NB_COLS - (src0_cur_start % NB_COLS) : src0_cur_start;
             src0_cur_end   = (src0_cur_end   % NB_COLS) ? src0_cur_end   + NB_COLS - (src0_cur_end   % NB_COLS) : src0_cur_end;
@@ -1382,26 +1593,49 @@ template <typename BLOC_TYPE, int64_t INTER_SIZE, int64_t NB_COLS, ggml_type PAR
                 return;
             }
 
-            for (int ir1 = 0; ir1 < nr1; ir1++) {
-                struct mmid_row_mapping row_mapping = MMID_MATRIX_ROW(cur_a, ir1);
-
-                const int id = row_mapping.i1; // selected expert index
-
-                const int64_t i11 = id % ne11;
-                const int64_t i12 = row_mapping.i2; // row index in src1
-
-                const int64_t i1 = id;  // selected expert index
-                const int64_t i2 = i12; // row
-
-                const auto * src1_col = (const char *) wdata + (i11 * nbw1 + i12 * nbw2);
-
+#if 1
+            if (neh11 > 3) {
+                gemm<BLOC_TYPE, INTER_SIZE, NB_COLS, PARAM_TYPE>(ne00,
+                        (float *)(hdst + 0*nbh1 + i02*nbh2) + src0_cur_start, ne01,
+                        src0_cur + src0_cur_start*nb01,
+                        hsrc1 + 0*nbh11 + i02*nbh12, neh11 - neh11 % 4, src0_cur_end - src0_cur_start);
+            }
+            for (int64_t i11 = neh11 - neh11 % 4; i11 < neh11; ++i11) {
                 gemv<BLOC_TYPE, INTER_SIZE, NB_COLS, PARAM_TYPE>(ne00,
-                        (float *)((char *) dst->data + (i1 * nb1 + i2 * nb2)) + src0_cur_start, ne01,
+                        (float *)(hdst + i11*nbh1 + i02*nbh2) + src0_cur_start, ne01,
+                        src0_cur + src0_cur_start*nb01,
+                        hsrc1 + i11*nbh11 + i02*nbh12, 1, src0_cur_end - src0_cur_start);
+            }
+#else
+            for (int64_t i11 = 0; i11 < neh11; ++i11) {
+                gemv<BLOC_TYPE, INTER_SIZE, NB_COLS, PARAM_TYPE>(ne00,
+                        (float *)(hdst + i11*nbh1 + i02*nbh2) + src0_cur_start, ne01,
                         src0_cur + src0_cur_start * nb01,
-                        src1_col, 1, src0_cur_end - src0_cur_start);
+                        hsrc1 + i11*nbh11 + i02*nbh12, 1, src0_cur_end - src0_cur_start);
+            }
+#endif
+        }
+
+        ggml_barrier(params->threadpool);
+
+        for (int64_t i21 = 0; i21 < ne12; ++i21) { // n_tokens
+            for (int64_t i20 = 0; i20 < ne20; ++i20) { // n_expert_used
+                const int32_t idx = i21*ne20 + i20;
+
+                if (idx % nth != ith) {
+                    continue;
+                }
+
+                const int32_t id = hids[idx];
+
+                const int ide = id/ne12;
+                const int idt = id%ne12;
+
+                memcpy(
+                        (char *) dst->data + i20*nb1  + i21*nb2,
+                                 hdst      + idt*nbh1 + ide*nbh2, ggml_row_size(GGML_TYPE_F32, ne01));
             }
         }
-#undef MMID_MATRIX_ROW
     }
 
     int repack(struct ggml_tensor * t, const void * data, size_t data_size) override {
@@ -1423,6 +1657,7 @@ static const ggml::cpu::tensor_traits * ggml_repack_get_optimal_repack_type(cons
 
     // instance for IQ4
     static const ggml::cpu::repack::tensor_traits<block_iq4_nl, 4, 4, GGML_TYPE_Q8_0> iq4_nl_4x4_q8_0;
+    static const ggml::cpu::repack::tensor_traits<block_iq4_nl, 8, 8, GGML_TYPE_Q8_0> iq4_nl_8x8_q8_0;
 
     if (cur->type == GGML_TYPE_Q4_0) {
         if (ggml_cpu_has_avx2() || (ggml_cpu_has_sve() && ggml_cpu_has_matmul_int8() && ggml_cpu_get_sve_cnt() == QK8_0)) {
@@ -1447,6 +1682,11 @@ static const ggml::cpu::tensor_traits * ggml_repack_get_optimal_repack_type(cons
             }
         }
     } else if (cur->type == GGML_TYPE_IQ4_NL) {
+        if (ggml_cpu_has_avx2()) {
+            if (cur->ne[1] % 8 == 0) {
+                return &iq4_nl_8x8_q8_0;
+            }
+        }
         if (ggml_cpu_has_neon() && ggml_cpu_has_dotprod()) {
             if (cur->ne[1] % 4 == 0) {
                 return &iq4_nl_4x4_q8_0;

ggml/src/ggml-cpu/repack.h

@@ -60,6 +60,13 @@ struct block_iq4_nlx4 {
 
 static_assert(sizeof(block_iq4_nlx4) == 4 * sizeof(ggml_half) + QK4_NL * 2, "wrong iq4_nlx4 block size/padding");
 
+struct block_iq4_nlx8 {
+    ggml_half d[8];            // deltas for 8 iq4_nl blocks
+    uint8_t   qs[QK4_NL * 4];  // nibbles / quants for 8 iq4_nl blocks
+};
+
+static_assert(sizeof(block_iq4_nlx8) == 8 * sizeof(ggml_half) + QK4_NL * 4, "wrong iq4_nlx8 block size/padding");
+
 #if defined(__cplusplus)
 extern "C" {
 #endif
@@ -72,11 +79,13 @@ void ggml_gemv_q4_0_4x8_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const vo
 void ggml_gemv_q4_0_8x8_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 void ggml_gemv_q4_K_8x8_q8_K(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 void ggml_gemv_iq4_nl_4x4_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
+void ggml_gemv_iq4_nl_8x8_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 void ggml_gemm_q4_0_4x4_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 void ggml_gemm_q4_0_4x8_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 void ggml_gemm_q4_0_8x8_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 void ggml_gemm_q4_K_8x8_q8_K(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 void ggml_gemm_iq4_nl_4x4_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
+void ggml_gemm_iq4_nl_8x8_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 
 // Native implementations
 void ggml_quantize_mat_q8_0_4x4_generic(const float * GGML_RESTRICT x, void * GGML_RESTRICT vy, int64_t k);
@@ -87,11 +96,13 @@ void ggml_gemv_q4_0_4x8_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs,
 void ggml_gemv_q4_0_8x8_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 void ggml_gemv_q4_K_8x8_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 void ggml_gemv_iq4_nl_4x4_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
+void ggml_gemv_iq4_nl_8x8_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 void ggml_gemm_q4_0_4x4_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 void ggml_gemm_q4_0_4x8_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 void ggml_gemm_q4_0_8x8_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 void ggml_gemm_q4_K_8x8_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 void ggml_gemm_iq4_nl_4x4_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
+void ggml_gemm_iq4_nl_8x8_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
 
 #if defined(__cplusplus)
 } // extern "C"