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chore(llama-ggml): drop deprecated backend
The GGML format is now dead, since in the next version of LocalAI we already bring many breaking compatibility changes, taking the occasion also to drop ggml support (pre-gguf). Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
This commit is contained in:
Ettore Di Giacinto
parent
8d45670e41
commit
695935c184
6 changed files with 7 additions and 348 deletions
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@ -1,204 +0,0 @@
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package main
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// This is a wrapper to statisfy the GRPC service interface
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// It is meant to be used by the main executable that is the server for the specific backend type (falcon, gpt3, etc)
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import (
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"fmt"
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"github.com/go-skynet/go-llama.cpp"
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"github.com/mudler/LocalAI/pkg/grpc/base"
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pb "github.com/mudler/LocalAI/pkg/grpc/proto"
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)
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type LLM struct {
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base.SingleThread
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llama *llama.LLama
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}
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func (llm *LLM) Load(opts *pb.ModelOptions) error {
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ropeFreqBase := float32(10000)
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ropeFreqScale := float32(1)
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if opts.RopeFreqBase != 0 {
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ropeFreqBase = opts.RopeFreqBase
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}
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if opts.RopeFreqScale != 0 {
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ropeFreqScale = opts.RopeFreqScale
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}
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llamaOpts := []llama.ModelOption{
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llama.WithRopeFreqBase(ropeFreqBase),
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llama.WithRopeFreqScale(ropeFreqScale),
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}
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if opts.NGQA != 0 {
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llamaOpts = append(llamaOpts, llama.WithGQA(int(opts.NGQA)))
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}
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if opts.RMSNormEps != 0 {
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llamaOpts = append(llamaOpts, llama.WithRMSNormEPS(opts.RMSNormEps))
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}
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if opts.ContextSize != 0 {
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llamaOpts = append(llamaOpts, llama.SetContext(int(opts.ContextSize)))
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}
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if opts.F16Memory {
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llamaOpts = append(llamaOpts, llama.EnableF16Memory)
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}
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if opts.Embeddings {
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llamaOpts = append(llamaOpts, llama.EnableEmbeddings)
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}
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if opts.NGPULayers != 0 {
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llamaOpts = append(llamaOpts, llama.SetGPULayers(int(opts.NGPULayers)))
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}
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llamaOpts = append(llamaOpts, llama.SetMMap(opts.MMap))
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llamaOpts = append(llamaOpts, llama.SetMainGPU(opts.MainGPU))
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llamaOpts = append(llamaOpts, llama.SetTensorSplit(opts.TensorSplit))
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if opts.NBatch != 0 {
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llamaOpts = append(llamaOpts, llama.SetNBatch(int(opts.NBatch)))
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} else {
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llamaOpts = append(llamaOpts, llama.SetNBatch(512))
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}
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if opts.NUMA {
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llamaOpts = append(llamaOpts, llama.EnableNUMA)
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}
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if opts.LowVRAM {
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llamaOpts = append(llamaOpts, llama.EnabelLowVRAM)
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}
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model, err := llama.New(opts.ModelFile, llamaOpts...)
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llm.llama = model
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return err
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}
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func buildPredictOptions(opts *pb.PredictOptions) []llama.PredictOption {
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ropeFreqBase := float32(10000)
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ropeFreqScale := float32(1)
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if opts.RopeFreqBase != 0 {
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ropeFreqBase = opts.RopeFreqBase
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}
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if opts.RopeFreqScale != 0 {
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ropeFreqScale = opts.RopeFreqScale
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}
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predictOptions := []llama.PredictOption{
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llama.SetTemperature(opts.Temperature),
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llama.SetTopP(opts.TopP),
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llama.SetTopK(int(opts.TopK)),
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llama.SetTokens(int(opts.Tokens)),
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llama.SetThreads(int(opts.Threads)),
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llama.WithGrammar(opts.Grammar),
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llama.SetRopeFreqBase(ropeFreqBase),
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llama.SetRopeFreqScale(ropeFreqScale),
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llama.SetNegativePromptScale(opts.NegativePromptScale),
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llama.SetNegativePrompt(opts.NegativePrompt),
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}
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if opts.PromptCacheAll {
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predictOptions = append(predictOptions, llama.EnablePromptCacheAll)
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}
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if opts.PromptCacheRO {
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predictOptions = append(predictOptions, llama.EnablePromptCacheRO)
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}
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// Expected absolute path
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if opts.PromptCachePath != "" {
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predictOptions = append(predictOptions, llama.SetPathPromptCache(opts.PromptCachePath))
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}
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if opts.Mirostat != 0 {
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predictOptions = append(predictOptions, llama.SetMirostat(int(opts.Mirostat)))
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}
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if opts.MirostatETA != 0 {
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predictOptions = append(predictOptions, llama.SetMirostatETA(opts.MirostatETA))
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}
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if opts.MirostatTAU != 0 {
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predictOptions = append(predictOptions, llama.SetMirostatTAU(opts.MirostatTAU))
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}
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if opts.Debug {
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predictOptions = append(predictOptions, llama.Debug)
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}
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predictOptions = append(predictOptions, llama.SetStopWords(opts.StopPrompts...))
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if opts.PresencePenalty != 0 {
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predictOptions = append(predictOptions, llama.SetPenalty(opts.PresencePenalty))
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}
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if opts.NKeep != 0 {
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predictOptions = append(predictOptions, llama.SetNKeep(int(opts.NKeep)))
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}
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if opts.Batch != 0 {
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predictOptions = append(predictOptions, llama.SetBatch(int(opts.Batch)))
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}
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if opts.F16KV {
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predictOptions = append(predictOptions, llama.EnableF16KV)
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}
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if opts.IgnoreEOS {
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predictOptions = append(predictOptions, llama.IgnoreEOS)
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}
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if opts.Seed != 0 {
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predictOptions = append(predictOptions, llama.SetSeed(int(opts.Seed)))
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}
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//predictOptions = append(predictOptions, llama.SetLogitBias(c.Seed))
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predictOptions = append(predictOptions, llama.SetFrequencyPenalty(opts.FrequencyPenalty))
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predictOptions = append(predictOptions, llama.SetMlock(opts.MLock))
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predictOptions = append(predictOptions, llama.SetMemoryMap(opts.MMap))
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predictOptions = append(predictOptions, llama.SetPredictionMainGPU(opts.MainGPU))
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predictOptions = append(predictOptions, llama.SetPredictionTensorSplit(opts.TensorSplit))
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predictOptions = append(predictOptions, llama.SetTailFreeSamplingZ(opts.TailFreeSamplingZ))
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predictOptions = append(predictOptions, llama.SetTypicalP(opts.TypicalP))
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return predictOptions
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}
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func (llm *LLM) Predict(opts *pb.PredictOptions) (string, error) {
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return llm.llama.Predict(opts.Prompt, buildPredictOptions(opts)...)
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}
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func (llm *LLM) PredictStream(opts *pb.PredictOptions, results chan string) error {
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predictOptions := buildPredictOptions(opts)
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predictOptions = append(predictOptions, llama.SetTokenCallback(func(token string) bool {
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results <- token
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return true
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}))
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go func() {
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_, err := llm.llama.Predict(opts.Prompt, predictOptions...)
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if err != nil {
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fmt.Println("err: ", err)
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}
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close(results)
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}()
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return nil
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}
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func (llm *LLM) Embeddings(opts *pb.PredictOptions) ([]float32, error) {
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predictOptions := buildPredictOptions(opts)
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if len(opts.EmbeddingTokens) > 0 {
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tokens := []int{}
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for _, t := range opts.EmbeddingTokens {
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tokens = append(tokens, int(t))
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}
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return llm.llama.TokenEmbeddings(tokens, predictOptions...)
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}
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return llm.llama.Embeddings(opts.Embeddings, predictOptions...)
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}
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@ -1,19 +0,0 @@
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package main
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import (
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"flag"
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grpc "github.com/mudler/LocalAI/pkg/grpc"
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)
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var (
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addr = flag.String("addr", "localhost:50051", "the address to connect to")
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)
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func main() {
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flag.Parse()
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if err := grpc.StartServer(*addr, &LLM{}); err != nil {
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panic(err)
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}
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}
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