1 files changed, 124 insertions, 0 deletions
diff --git a/research/knobloch/cmd/train/main.go b/research/knobloch/cmd/train/main.go
new file mode 100644
index 0000000..a946ce4
--- /dev/null
+++ b/research/knobloch/cmd/train/main.go
@@ -0,0 +1,124 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+
+	"github.com/jonasknobloch/mbpe"
+
+	"go.jknobloc.com/x/dataset"
+	"go.jknobloc.com/x/shelf"
+	"go.jknobloc.com/x/tokenizer/bpe"
+	"go.jknobloc.com/x/tokenizer/bpe/split"
+)
+
+func main() {
+	// train()
+	// serialize()
+}
+
+func train() {
+	out := shelf.Abs("results/knobloch/minipile")
+
+	if err := os.MkdirAll(out, os.ModePerm); err != nil {
+		log.Fatal(err)
+	}
+
+	morfessor := func(alpha float64) mbpe.Segmenter {
+		m := mbpe.NewMorfessor(alpha)
+
+		if err := m.LoadModel(shelf.Abs("morfessor/semisup_model.proto")); err != nil {
+			log.Fatal(err)
+		}
+
+		return m
+	}
+
+	// mbpe.InvertWeightFunction = true
+
+	m000 := morfessor(0.0)
+	m010 := morfessor(0.1)
+	m020 := morfessor(0.2)
+	m030 := morfessor(0.3)
+	m040 := morfessor(0.4)
+	m050 := morfessor(0.5)
+	m060 := morfessor(0.6)
+	m070 := morfessor(0.7)
+	m080 := morfessor(0.8)
+	m090 := morfessor(0.9)
+	m100 := morfessor(1.0)
+
+	newTrainer := func(segmenter mbpe.Segmenter) *mbpe.MBPETrainer {
+		alphabet := make(map[string]struct{})
+
+		for _, r := range bpe.InitialAlphabet() {
+			alphabet[string(r)] = struct{}{}
+		}
+
+		b := mbpe.NewByteLevel(true)
+
+		b.SetMatcher(split.NewFSA())
+
+		return mbpe.NewMBPETrainer(b, segmenter, mbpe.NewMBPE(), 1<<17, alphabet)
+	}
+
+	trainers := []struct {
+		*mbpe.MBPETrainer
+		string
+	}{
+		{newTrainer(m000), "m000_minipile"},
+		{newTrainer(m010), "m010_minipile"},
+		{newTrainer(m020), "m020_minipile"},
+		{newTrainer(m030), "m030_minipile"},
+		{newTrainer(m040), "m040_minipile"},
+		{newTrainer(m050), "m050_minipile"},
+		{newTrainer(m060), "m060_minipile"},
+		{newTrainer(m070), "m070_minipile"},
+		{newTrainer(m080), "m080_minipile"},
+		{newTrainer(m090), "m090_minipile"},
+		{newTrainer(m100), "m100_minipile"},
+	}
+
+	for i, t := range trainers {
+		dict := filepath.Join(out, "dict.txt")
+
+		if dictErr := t.LoadDict(dict); dictErr != nil {
+			var reader dataset.Reader
+
+			if r, err := dataset.NewParquetReader(shelf.Abs("data/minipile/train")); err != nil {
+				log.Fatal(err)
+			} else {
+				reader = r
+			}
+
+			if err := t.InitDict(reader); err != nil {
+				log.Fatal(err)
+			}
+
+			if err := t.Dict().Save(dict); err != nil {
+				log.Fatal(err)
+			}
+		}
+
+		if i > 0 {
+			fmt.Println()
+		}
+
+		fmt.Printf("%s\n\n", t.string)
+
+		t.Train()
+
+		dir := filepath.Join(out, t.string)
+
+		if err := os.Mkdir(dir, 0755); err != nil && !errors.Is(err, os.ErrExist) {
+			log.Fatal(err)
+		}
+
+		if err := t.Model().Save(filepath.Join(dir, "vocab.json"), filepath.Join(dir, "merges.txt")); err != nil {
+			log.Fatal(err)
+		}
+	}
+}