66 lines
1.2 KiB
Go
66 lines
1.2 KiB
Go
//go:build darwin
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package gpu
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/*
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#cgo CFLAGS: -x objective-c
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#cgo LDFLAGS: -framework Foundation -framework CoreGraphics -framework Metal
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#include "gpu_info_darwin.h"
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*/
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import "C"
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import (
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"runtime"
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"github.com/ollama/ollama/format"
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)
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const (
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metalMinimumMemory = 512 * format.MebiByte
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)
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func GetGPUInfo() GpuInfoList {
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mem, _ := GetCPUMem()
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if runtime.GOARCH == "amd64" {
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return []GpuInfo{
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{
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Library: "cpu",
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Variant: GetCPUCapability(),
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memInfo: mem,
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},
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}
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}
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info := GpuInfo{
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Library: "metal",
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ID: "0",
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}
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info.TotalMemory = uint64(C.getRecommendedMaxVRAM())
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// TODO is there a way to gather actual allocated video memory? (currentAllocatedSize doesn't work)
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info.FreeMemory = info.TotalMemory
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info.MinimumMemory = metalMinimumMemory
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return []GpuInfo{info}
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}
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func GetCPUInfo() GpuInfoList {
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mem, _ := GetCPUMem()
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return []GpuInfo{
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{
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Library: "cpu",
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Variant: GetCPUCapability(),
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memInfo: mem,
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},
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}
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}
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func GetCPUMem() (memInfo, error) {
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return memInfo{
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TotalMemory: uint64(C.getPhysicalMemory()),
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FreeMemory: 0,
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}, nil
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}
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func (l GpuInfoList) GetVisibleDevicesEnv() (string, string) {
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// No-op on darwin
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return "", ""
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}
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