From 0c97f22069d77cf3cac92d68173e38f83b258a9a Mon Sep 17 00:00:00 2001
From: Jonas Knobloch <jonas.knobloch@t-online.de>
Date: Sat, 11 Apr 2026 01:09:16 +0200
Subject: Add lesci module

---
 research/lesci/cmd/lesci/main.go | 76 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 research/lesci/cmd/lesci/main.go

(limited to 'research/lesci/cmd')

diff --git a/research/lesci/cmd/lesci/main.go b/research/lesci/cmd/lesci/main.go
new file mode 100644
index 0000000..b485c43
--- /dev/null
+++ b/research/lesci/cmd/lesci/main.go
@@ -0,0 +1,76 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"path"
+
+	"go.jknobloc.com/x/dataset"
+	"go.jknobloc.com/x/gpt2"
+	"go.jknobloc.com/x/research/lesci"
+	"go.jknobloc.com/x/tokenizer/bpe"
+)
+
+func main() {
+	if err := gpt2.InitializeEnvironment(); err != nil {
+		log.Fatal(err)
+	}
+
+	sizes := []int{8192, 16384, 32768, 50256, 100512}
+
+	for i := range len(sizes) - 1 {
+		e, m := setup(sizes[i], sizes[len(sizes)-1])
+
+		if err := m.Init(); err != nil {
+			log.Fatal(err)
+		}
+
+		if err := e.Run(); err != nil {
+			log.Fatal(err)
+		}
+
+		if err := m.Destroy(); err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	if err := gpt2.DestroyEnvironment(); err != nil {
+		log.Fatal(err)
+	}
+}
+
+func setup(control, treatment int) (*lesci.Experiment, *gpt2.Model) {
+	a := fmt.Sprintf("gpt2/models/onnx_eval/gpt2_%d_m000_babylm_v2", control)
+	b := fmt.Sprintf("gpt2/models/onnx_eval/gpt2_%d_m000_babylm_v2", 100512)
+
+	m := must(model(path.Join(a, "model_eval.onnx"), "0", control))
+	t := must(bpe.NewTokenizerFromFiles(path.Join(a, "vocab.json"), path.Join(a, "merges.txt")))
+	c := must(bpe.NewTokenizerFromFiles(path.Join(b, "vocab.json"), path.Join(b, "merges.txt")))
+	d := must(dataset.NewFileReader("dataset/cmd/dataset/tmp/babylm/train_100M", "*.train"))
+
+	o := fmt.Sprintf("out/lesci/m000/babylm_%d_%d", control, treatment)
+
+	return must(lesci.NewExperiment(m, t, c, d, o, control, 5000)), m
+}
+
+func must[T any](v T, err error) T {
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return v
+}
+
+func model(name, device string, vocabSize int) (*gpt2.Model, error) {
+	cfg := gpt2.DefaultConfig()
+
+	cfg.VocabSize = vocabSize + 1
+
+	m := gpt2.NewModel(name, device, cfg, gpt2.Options{
+		WithCache:    false,
+		WithLogits:   false,
+		WithLogProbs: true,
+	})
+
+	return m, nil
+}
-- 
cgit v1.3.1