Sync master with upstream release b6800

.github/workflows/release.yml

@@ -134,6 +134,8 @@ jobs:
         include:
           - build: 'x64'
             os: ubuntu-22.04
+          - build: 's390x-z15' # z15 because our CI runners are on z15
+            os: ubuntu-22.04-s390x
           # GGML_BACKEND_DL and GGML_CPU_ALL_VARIANTS are not currently supported on arm
           # - build: 'arm64'
           #   os: ubuntu-22.04-arm

.github/workflows/update-ops-docs.yml

@@ -3,10 +3,12 @@ name: Update Operations Documentation
 on:
     push:
         paths:
+            - 'docs/ops.md'
             - 'docs/ops/**'
             - 'scripts/create_ops_docs.py'
     pull_request:
         paths:
+            - 'docs/ops.md'
             - 'docs/ops/**'
             - 'scripts/create_ops_docs.py'
 

CODEOWNERS

@@ -55,7 +55,7 @@
 /ggml/src/ggml-cuda/common.cuh          @slaren
 /ggml/src/ggml-cuda/fattn*              @JohannesGaessler
 /ggml/src/ggml-cuda/ggml-cuda.cu        @slaren
-/ggml/src/ggml-cuda/mmf.*               @JohannesGaessler
+/ggml/src/ggml-cuda/mmf.*               @JohannesGaessler @am17an
 /ggml/src/ggml-cuda/mmq.*               @JohannesGaessler
 /ggml/src/ggml-cuda/mmvf.*              @JohannesGaessler
 /ggml/src/ggml-cuda/mmvq.*              @JohannesGaessler

ggml/src/CMakeLists.txt

@@ -307,6 +307,10 @@ function(ggml_add_cpu_backend_variant tag_name)
         foreach (feat ${ARGN})
             set(GGML_INTERNAL_${feat} ON)
         endforeach()
+    elseif (GGML_SYSTEM_ARCH STREQUAL "s390x")
+        foreach (feat ${ARGN})
+            set(GGML_INTERNAL_${feat} ON)
+        endforeach()
     endif()
 
     ggml_add_cpu_backend_variant_impl(${tag_name})
@@ -371,6 +375,14 @@ if (GGML_CPU_ALL_VARIANTS)
         else()
             message(FATAL_ERROR "Unsupported PowerPC target OS: ${CMAKE_SYSTEM_NAME}")
         endif()
+    elseif (GGML_SYSTEM_ARCH STREQUAL "s390x")
+        if (CMAKE_SYSTEM_NAME MATCHES "Linux")
+            ggml_add_cpu_backend_variant(s390x_z15  Z15 VXE)
+            # ggml_add_cpu_backend_variant(s390x_z16  Z16 VXE)
+            # ggml_add_cpu_backend_variant(s390x_z17  Z17 VXE)
+        else()
+            message(FATAL_ERROR "Unsupported s390x target OS: ${CMAKE_SYSTEM_NAME}")
+        endif()
     else()
         message(FATAL_ERROR "GGML_CPU_ALL_VARIANTS not yet supported with ${GGML_SYSTEM_ARCH} on ${CMAKE_SYSTEM_NAME}")
     endif()

ggml/src/ggml-cpu/CMakeLists.txt

@@ -466,29 +466,45 @@ function(ggml_add_cpu_backend_variant_impl tag_name)
         list(APPEND ARCH_FLAGS "-march=${MARCH_STR}" -mabi=lp64d)
     elseif (GGML_SYSTEM_ARCH STREQUAL "s390x")
         message(STATUS "s390x detected")
-        list(APPEND GGML_CPU_SOURCES ggml-cpu/arch/s390/quants.c)
-        file(READ "/proc/cpuinfo" CPUINFO_CONTENTS)
-        string(REGEX REPLACE "machine[ \t\r\n]*=[ \t\r\n]*([0-9]+)" "\\1" S390X_M ${CPUINFO_CONTENTS})
-
-        # TODO: Separation to determine activation of VX/VXE/VXE2
-        if (${S390X_M} MATCHES "8561|8562")
-            message(STATUS "z15 target")
-            list(APPEND ARCH_FLAGS -march=z15)
-        elseif (${S390X_M} MATCHES "3931")
-            message(STATUS "z16 target")
-            list(APPEND ARCH_FLAGS -march=z16)
-        elseif (${S390X_M} MATCHES "9175|9176")
-            # NOTE: Only available from GCC 15.1.0 onwards. Any z17 machine with compile issues must first verify their GCC version.
-            #       binutils must also be updated to the latest for the -march=z17 flag to work. Otherwise, use -march=arch15.
-            message(STATUS "z17 target")
-            list(APPEND ARCH_FLAGS -march=arch15)
-        else()
-            message(STATUS "Unknown target")
-            message(WARNING "Unknown target. If you are compiling for z14 and earlier, you might have to add -DGGML_VXE=OFF.")
-            list(APPEND ARCH_FLAGS -march=native -mtune=native)
+        list(APPEND GGML_CPU_SOURCES
+            ggml-cpu/arch/s390/quants.c)
+
+        # for native compilation
+        if (GGML_NATIVE)
+            # check machine level to determine target
+            file(READ "/proc/cpuinfo" CPUINFO_CONTENTS)
+            string(REGEX REPLACE "machine[ \t\r\n]*=[ \t\r\n]*([0-9]+)" "\\1" S390X_M ${CPUINFO_CONTENTS})
+
+            # TODO: Separation to determine activation of VX/VXE/VXE2
+            if (${S390X_M} MATCHES "8561|8562")
+                message(STATUS "z15 target")
+                list(APPEND ARCH_FLAGS -march=z15)
+            elseif (${S390X_M} MATCHES "3931")
+                message(STATUS "z16 target")
+                list(APPEND ARCH_FLAGS -march=z16)
+            elseif (${S390X_M} MATCHES "9175|9176")
+                # NOTE: Only available from GCC 15.1.0 onwards. Any z17 machine with compile issues must first verify their GCC version.
+                #       binutils must also be updated to the latest for the -march=z17 flag to work. Otherwise, use -march=arch15.
+                message(STATUS "z17 target")
+                list(APPEND ARCH_FLAGS -march=arch15)
+            else()
+                message(STATUS "Unknown target")
+                message(WARNING "Unknown target. If you are compiling for z14 and earlier, you might have to add -DGGML_VXE=OFF.")
+                list(APPEND ARCH_FLAGS -march=native -mtune=native)
+            endif()
+        # for cross-compilation
+        elseif(GGML_CPU_ALL_VARIANTS)
+            # range through IBM z15 to z17
+            # NOTE: update when a new hardware level is released
+            foreach (ZHW RANGE 15 17)
+                if(DEFINED GGML_INTERNAL_Z${ZHW})
+                    message(STATUS "z${ZHW} cross-compile target")
+                    list(APPEND ARCH_FLAGS -march=z${ZHW})
+                endif()
+            endforeach()
         endif()
 
-        if (GGML_VXE)
+        if (GGML_VXE OR GGML_INTERNAL_VXE)
             message(STATUS "VX/VXE/VXE2 enabled")
             list(APPEND ARCH_FLAGS -mvx -mzvector)
             list(APPEND ARCH_DEFINITIONS GGML_VXE)

src/llama-model.cpp

@@ -114,6 +114,7 @@ const char * llm_type_name(llm_type type) {
         case LLM_TYPE_17B_16E:       return "17Bx16E (Scout)";
         case LLM_TYPE_17B_128E:      return "17Bx128E (Maverick)";
         case LLM_TYPE_A13B:          return "A13B";
+        case LLM_TYPE_7B_A1B:        return "7B.A1B";
         case LLM_TYPE_8B_A1B:        return "8B.A1B";
         case LLM_TYPE_21B_A3B:       return "21B.A3B";
         case LLM_TYPE_30B_A3B:       return "30B.A3B";
@@ -1843,8 +1844,10 @@ void llama_model::load_hparams(llama_model_loader & ml) {
 
                 ml.get_key(LLM_KV_ATTENTION_LAYERNORM_RMS_EPS, hparams.f_norm_rms_eps);
 
-                switch (hparams.n_layer) {
-                    // TODO: Add llm type label (not sure this is useful)
+                switch (hparams.n_embd) {
+                    case 1536: type = LLM_TYPE_7B_A1B; break;
+                    case 2048: case 2560: type = LLM_TYPE_3B; break;
+                    case 4096: type = LLM_TYPE_32B; break;
                     default: type = LLM_TYPE_UNKNOWN;
                 }
 

src/llama-model.h

@@ -107,6 +107,7 @@ enum llm_type {
     LLM_TYPE_17B_16E, // llama4 Scout
     LLM_TYPE_17B_128E, // llama4 Maverick
     LLM_TYPE_A13B,
+    LLM_TYPE_7B_A1B,
     LLM_TYPE_8B_A1B, // lfm2moe
     LLM_TYPE_21B_A3B, // Ernie MoE small
     LLM_TYPE_30B_A3B,