ggml-org · am17an · Sep 9, 2025 · Aug 13, 2025 · Sep 4, 2025 · Sep 4, 2025
diff --git a/ggml/src/ggml-cuda/CMakeLists.txt b/ggml/src/ggml-cuda/CMakeLists.txt
@@ -44,6 +44,8 @@ if (CUDAToolkit_FOUND)
     list(APPEND GGML_SOURCES_CUDA ${SRCS})
     file(GLOB   SRCS "template-instances/mmq*.cu")
     list(APPEND GGML_SOURCES_CUDA ${SRCS})
+    file(GLOB   SRCS "template-instances/mmf*.cu")
+    list(APPEND GGML_SOURCES_CUDA ${SRCS})
 
     if (GGML_CUDA_FA_ALL_QUANTS)
         file(GLOB   SRCS "template-instances/fattn-vec*.cu")

@@ -2109,6 +2109,11 @@ static void ggml_cuda_mul_mat_id(ggml_backend_cuda_context & ctx, ggml_tensor *
             ggml_cuda_mul_mat_q(ctx, src0, src1, ids, dst);
             return;
         }
+
+        if (ggml_cuda_should_use_mmf(src0->type, cc, WARP_SIZE, src0->ne, src1->ne[2])) {
+            ggml_cuda_mul_mat_f(ctx, src0, src1, ids, dst);
+            return;
+        }
     }
 
     cudaStream_t stream = ctx.stream();

diff --git a/ggml/src/ggml-cuda/mma.cuh b/ggml/src/ggml-cuda/mma.cuh
@@ -1,3 +1,4 @@
+#pragma once
 // This file contains primitives that expose the tensor core PTX instructions for CUDA code.
 // The primitives can be used in a similar way as the nvcuda::wmma interface but with a well-defined memory layout.
 // The documentation for the PTX instructions can be found under:

diff --git a/ggml/src/ggml-cuda/template-instances/generate_cu_files.py b/ggml/src/ggml-cuda/template-instances/generate_cu_files.py
@@ -34,6 +34,13 @@
 DECL_MMQ_CASE({type});
 """
 
+SOURCE_MMF = """// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE({type});
+"""
+
 
 def get_short_name(long_quant_name):
     return long_quant_name.replace("GGML_TYPE_", "").lower()
@@ -76,3 +83,7 @@ def get_head_sizes(type_k, type_v):
 for type in TYPES_MMQ:
     with open(f"mmq-instance-{get_short_name(type)}.cu", "w") as f:
         f.write(SOURCE_MMQ.format(type=type))
+
+for type in range(1, 17):
+    with open(f"mmf-instance-ncols_{type}.cu", "w") as f:
+        f.write(SOURCE_MMF.format(type=type))
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_1.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_1.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(1);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_10.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_10.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(10);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_11.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_11.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(11);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_12.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_12.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(12);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_13.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_13.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(13);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_14.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_14.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(14);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_15.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_15.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(15);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_16.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_16.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(16);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_2.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_2.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(2);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_3.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_3.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(3);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_4.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_4.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(4);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_5.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_5.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(5);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_6.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_6.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(6);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_7.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_7.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(7);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_8.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_8.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(8);
diff --git a/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_9.cu b/ggml/src/ggml-cuda/template-instances/mmf-instance-ncols_9.cu
@@ -0,0 +1,5 @@
+// This file has been autogenerated by generate_cu_files.py, do not edit manually.
+
+#include "../mmf.cuh"
+
+DECL_MMF_CASE(9);
@@ -6261,7 +6261,7 @@ static std::vector<std::unique_ptr<test_case>> make_test_cases_eval() {
             for (int n_mats : {4, 8}) {
                 for (int n_used : {1, 2, 4}) {
                     for (bool b : {false, true}) {
-                        for (int n : {1, 32, 129}) {
+                        for (int n : {1, 4, 5, 32, 129}) {
                             int m = 512;
                             int k = 256;
                             test_cases.emplace_back(new test_mul_mat_id(type_a, type_b, n_mats, n_used, b, m, n, k));