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Closes: #1413
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,179 @@ | ||
| package shim | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/csv" | ||
| "encoding/json" | ||
| "errors" | ||
| "io" | ||
| "log" | ||
| "os" | ||
| "os/exec" | ||
| "strconv" | ||
| "strings" | ||
|
|
||
| execute "github.com/alexellis/go-execute/v2" | ||
| ) | ||
|
|
||
| const nvidiaSmiImage = "dstackai/base:py3.12-0.5-cuda-12.1" | ||
| const amdSmiImage = "un1def/amd-smi:6.2.2-0" | ||
|
|
||
| type GpuVendor string | ||
|
|
||
| const ( | ||
| NoVendor GpuVendor = "none" | ||
| Nvidia GpuVendor = "nvidia" | ||
| Amd GpuVendor = "amd" | ||
| ) | ||
|
|
||
| type GpuInfo struct { | ||
| Vendor GpuVendor | ||
| Name string | ||
| Vram int // MiB | ||
| } | ||
|
|
||
| var gpuVendor GpuVendor | ||
|
|
||
| func GetGpuVendor() GpuVendor { | ||
| if gpuVendor != "" { | ||
| return gpuVendor | ||
| } | ||
| if _, err := os.Stat("/dev/kfd"); !errors.Is(err, os.ErrNotExist) { | ||
| gpuVendor = Amd | ||
| } else if _, err := exec.LookPath("nvidia-smi"); err == nil { | ||
| gpuVendor = Nvidia | ||
| } else { | ||
| gpuVendor = NoVendor | ||
| } | ||
| return gpuVendor | ||
| } | ||
|
|
||
| func GetGpuInfo() []GpuInfo { | ||
| switch gpuVendor := GetGpuVendor(); gpuVendor { | ||
| case Nvidia: | ||
| return getNvidiaGpuInfo() | ||
| case Amd: | ||
| return getAmdGpuInfo() | ||
| } | ||
| return []GpuInfo{} | ||
| } | ||
|
|
||
| func getNvidiaGpuInfo() []GpuInfo { | ||
| gpus := []GpuInfo{} | ||
|
|
||
| cmd := execute.ExecTask{ | ||
| Command: "docker", | ||
| Args: []string{ | ||
| "run", | ||
| "--rm", | ||
| "--gpus", "all", | ||
| nvidiaSmiImage, | ||
| "nvidia-smi", "--query-gpu=gpu_name,memory.total", "--format=csv,nounits", | ||
| }, | ||
| StreamStdio: false, | ||
| } | ||
| res, err := cmd.Execute(context.Background()) | ||
| if err != nil { | ||
| log.Printf("failed to execute nvidia-smi: %s", err) | ||
| return gpus | ||
| } | ||
| if res.ExitCode != 0 { | ||
| log.Printf( | ||
| "failed to execute nvidia-smi: exit code: %d: stdout: %s; stderr: %s", | ||
| res.ExitCode, res.Stdout, res.Stderr, | ||
| ) | ||
| return gpus | ||
| } | ||
|
|
||
| r := csv.NewReader(strings.NewReader(res.Stdout)) | ||
| // Skip header | ||
| if _, err := r.Read(); err != nil { | ||
| log.Printf("cannot read csv: %s", err) | ||
| return gpus | ||
| } | ||
| for { | ||
| record, err := r.Read() | ||
| if err == io.EOF { | ||
| break | ||
| } | ||
| if err != nil { | ||
| log.Printf("cannot read csv: %s", err) | ||
| return gpus | ||
| } | ||
| if len(record) != 2 { | ||
| log.Printf("two csv fields expected, got: %d", len(record)) | ||
| return gpus | ||
| } | ||
| vram, err := strconv.Atoi(strings.TrimSpace(record[1])) | ||
| if err != nil { | ||
| log.Printf("invalid VRAM value: %s", record[1]) | ||
| vram = 0 | ||
| } | ||
| gpus = append(gpus, GpuInfo{ | ||
| Vendor: Nvidia, | ||
| Name: strings.TrimSpace(record[0]), | ||
| Vram: vram, | ||
| }) | ||
| } | ||
| return gpus | ||
| } | ||
|
|
||
| type amdGpu struct { | ||
| Asic amdAsic `json:"asic"` | ||
| Vram amdVram `json:"vram"` | ||
| } | ||
|
|
||
| type amdAsic struct { | ||
| Name string `json:"market_name"` | ||
| } | ||
|
|
||
| type amdVram struct { | ||
| Size amdVramSize `json:"size"` | ||
| } | ||
|
|
||
| type amdVramSize struct { | ||
| Value int `json:"value"` | ||
| } | ||
|
|
||
| func getAmdGpuInfo() []GpuInfo { | ||
| gpus := []GpuInfo{} | ||
|
|
||
| cmd := execute.ExecTask{ | ||
| Command: "docker", | ||
| Args: []string{ | ||
| "run", | ||
| "--rm", | ||
| "--device", "/dev/kfd", | ||
| "--device", "/dev/dri", | ||
| amdSmiImage, | ||
| "static", "--json", "--asic", "--vram", | ||
| }, | ||
| StreamStdio: false, | ||
| } | ||
| res, err := cmd.Execute(context.Background()) | ||
| if err != nil { | ||
| log.Printf("failed to execute amd-smi: %s", err) | ||
| return gpus | ||
| } | ||
| if res.ExitCode != 0 { | ||
| log.Printf( | ||
| "failed to execute amd-smi: exit code: %d: stdout: %s; stderr: %s", | ||
| res.ExitCode, res.Stdout, res.Stderr, | ||
| ) | ||
| return gpus | ||
| } | ||
|
|
||
| var amdGpus []amdGpu | ||
| if err := json.Unmarshal([]byte(res.Stdout), &amdGpus); err != nil { | ||
| log.Printf("cannot read json: %s", err) | ||
| return gpus | ||
| } | ||
| for _, amdGpu := range amdGpus { | ||
| gpus = append(gpus, GpuInfo{ | ||
| Vendor: Amd, | ||
| Name: amdGpu.Asic.Name, | ||
| Vram: amdGpu.Vram.Size.Value, | ||
| }) | ||
| } | ||
| return gpus | ||
| } |
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