ollama source for Momentry Core verification

discover/gpu_darwin.go

@@ -0,0 +1,54 @@
+package discover
+
+/*
+#cgo CFLAGS: -x objective-c
+#cgo LDFLAGS: -framework Foundation -framework CoreGraphics -framework Metal
+#include "gpu_info_darwin.h"
+*/
+import "C"
+
+import (
+	"log/slog"
+	"syscall"
+
+	"github.com/ollama/ollama/format"
+)
+
+const (
+	metalMinimumMemory = 512 * format.MebiByte
+)
+
+func GetCPUMem() (memInfo, error) {
+	return memInfo{
+		TotalMemory: uint64(C.getPhysicalMemory()),
+		FreeMemory:  uint64(C.getFreeMemory()),
+		// FreeSwap omitted as Darwin uses dynamic paging
+	}, nil
+}
+
+func GetCPUDetails() []CPU {
+	query := "hw.perflevel0.physicalcpu"
+	perfCores, err := syscall.SysctlUint32(query)
+	if err != nil {
+		slog.Warn("failed to discover physical CPU details", "query", query, "error", err)
+	}
+	query = "hw.perflevel1.physicalcpu"
+	efficiencyCores, _ := syscall.SysctlUint32(query) // On x86 xeon this wont return data
+
+	// Determine thread count
+	query = "hw.logicalcpu"
+	logicalCores, _ := syscall.SysctlUint32(query)
+
+	return []CPU{
+		{
+			CoreCount:           int(perfCores + efficiencyCores),
+			EfficiencyCoreCount: int(efficiencyCores),
+			ThreadCount:         int(logicalCores),
+		},
+	}
+}
+
+func IsNUMA() bool {
+	// numa support in ggml is linux only
+	return false
+}