CUDA: MMQ code deduplication + iquant support (ggml-org#8495)

* CUDA: MMQ code deduplication + iquant support

* 1 less parallel job for CI build

Author: JohannesGaessler

.github/workflows/build.yml

@@ -860,7 +860,7 @@ jobs:
           mkdir build
           cd build
           cmake .. -DGGML_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DGGML_CUDA=ON -DBUILD_SHARED_LIBS=ON
-          cmake --build . --config Release -j ${env:NUMBER_OF_PROCESSORS}
+          cmake --build . --config Release -j $((${env:NUMBER_OF_PROCESSORS} - 1))
 
       - name: Determine tag name
         id: tag

ggml/src/ggml-cuda/mmq.cu

@@ -59,6 +59,24 @@ void ggml_cuda_op_mul_mat_q(
         case GGML_TYPE_Q6_K:
             mul_mat_q_case<GGML_TYPE_Q6_K>(ctx, args, stream);
             break;
+        case GGML_TYPE_IQ2_XXS:
+            mul_mat_q_case<GGML_TYPE_IQ2_XXS>(ctx, args, stream);
+            break;
+        case GGML_TYPE_IQ2_XS:
+            mul_mat_q_case<GGML_TYPE_IQ2_XS>(ctx, args, stream);
+            break;
+        case GGML_TYPE_IQ2_S:
+            mul_mat_q_case<GGML_TYPE_IQ2_S>(ctx, args, stream);
+            break;
+        case GGML_TYPE_IQ3_XXS:
+            mul_mat_q_case<GGML_TYPE_IQ3_XXS>(ctx, args, stream);
+            break;
+        case GGML_TYPE_IQ3_S:
+            mul_mat_q_case<GGML_TYPE_IQ3_S>(ctx, args, stream);
+            break;
+        case GGML_TYPE_IQ1_S:
+            mul_mat_q_case<GGML_TYPE_IQ1_S>(ctx, args, stream);
+            break;
         case GGML_TYPE_IQ4_XS:
             mul_mat_q_case<GGML_TYPE_IQ4_XS>(ctx, args, stream);
             break;
@@ -93,6 +111,12 @@ bool ggml_cuda_should_use_mmq(enum ggml_type type, int cc, int64_t ne11) {
         case GGML_TYPE_Q4_K:
         case GGML_TYPE_Q5_K:
         case GGML_TYPE_Q6_K:
+        case GGML_TYPE_IQ2_XXS:
+        case GGML_TYPE_IQ2_XS:
+        case GGML_TYPE_IQ2_S:
+        case GGML_TYPE_IQ3_XXS:
+        case GGML_TYPE_IQ3_S:
+        case GGML_TYPE_IQ1_S:
         case GGML_TYPE_IQ4_XS:
         case GGML_TYPE_IQ4_NL:
             mmq_supported = true;

ggml/src/ggml-cuda/mmq.cuh

@@ -23,7 +23,8 @@
 TYPES_MMQ = [
     "GGML_TYPE_Q4_0", "GGML_TYPE_Q4_1", "GGML_TYPE_Q5_0", "GGML_TYPE_Q5_1", "GGML_TYPE_Q8_0",
     "GGML_TYPE_Q2_K", "GGML_TYPE_Q3_K", "GGML_TYPE_Q4_K", "GGML_TYPE_Q5_K", "GGML_TYPE_Q6_K",
-    "GGML_TYPE_IQ4_NL", "GGML_TYPE_IQ4_XS"
+    "GGML_TYPE_IQ2_XXS", "GGML_TYPE_IQ2_XS", "GGML_TYPE_IQ2_S", "GGML_TYPE_IQ3_XXS", "GGML_TYPE_IQ3_S",
+    "GGML_TYPE_IQ1_S", "GGML_TYPE_IQ4_NL", "GGML_TYPE_IQ4_XS"
 ]
 
 SOURCE_MMQ = """// This file has been autogenerated by generate_cu_files.py, do not edit manually.

ggml/src/ggml-cuda/template-instances/generate_cu_files.py

@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmq.cuh"
+
+DECL_MMQ_CASE(GGML_TYPE_IQ1_S);

ggml/src/ggml-cuda/template-instances/mmq-instance-iq1_s.cu

@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmq.cuh"
+
+DECL_MMQ_CASE(GGML_TYPE_IQ2_S);

ggml/src/ggml-cuda/template-instances/mmq-instance-iq2_s.cu

@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmq.cuh"
+
+DECL_MMQ_CASE(GGML_TYPE_IQ2_XS);

ggml/src/ggml-cuda/template-instances/mmq-instance-iq2_xs.cu

@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmq.cuh"
+
+DECL_MMQ_CASE(GGML_TYPE_IQ2_XXS);

ggml/src/ggml-cuda/template-instances/mmq-instance-iq2_xxs.cu

@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmq.cuh"
+
+DECL_MMQ_CASE(GGML_TYPE_IQ3_S);

ggml/src/ggml-cuda/template-instances/mmq-instance-iq3_s.cu

@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmq.cuh"
+
+DECL_MMQ_CASE(GGML_TYPE_IQ3_XXS);

ggml/src/ggml-cuda/template-instances/mmq-instance-iq3_xxs.cu

@@ -188,6 +188,27 @@ template <int vdr> static __device__ __forceinline__ float vec_dot_q8_1_q8_1_imp
     return sumi*d8d8 + m8s8 / (QI8_1 / vdr);
 }
 
+template <int vdr> static __device__ __forceinline__ float vec_dot_q8_0_16_q8_1_impl(
+    const int * v, const int * u, const float * d8_0, const float & d8_1) {
+
+    float sumf = 0.0f;
+
+#pragma unroll
+    for (int i0 = 0; i0 < vdr; i0 += QI8_0/2) {
+        int sumi = 0;
+
+#pragma unroll
+        for (int i = i0; i < i0 + QI8_0/2; ++i) {
+            // SIMD dot product of quantized values
+            sumi = ggml_cuda_dp4a(v[i], u[i], sumi);
+        }
+
+        sumf += d8_0[i0/(QI8_0/2)]*sumi;
+    }
+
+    return d8_1*sumf;
+}
+
 #define VDR_Q2_K_Q8_1_MMVQ 1
 #define VDR_Q2_K_Q8_1_MMQ  4