1 files changed, 52 insertions, 0 deletions
diff --git a/llmc/cmd/peek/main.go b/llmc/cmd/peek/main.go
new file mode 100644
index 0000000..caacb31
--- /dev/null
+++ b/llmc/cmd/peek/main.go
@@ -0,0 +1,52 @@
+package main
+
+import (
+	"fmt"
+	"log"
+
+	"golang.org/x/exp/constraints"
+
+	"go.jknobloc.com/x/llmc"
+	"go.jknobloc.com/x/tokenizer/bpe"
+)
+
+func main() {
+	var a llmc.DataFile[uint16]
+	var b llmc.DataFile[uint16]
+
+	_ = must(llmc.Deserialize("artifacts/data/llmc/edu_fineweb100B/edu_fineweb_val_000000.bin", &a))
+	_ = must(llmc.Deserialize("artifacts/test/llmc/edu_fineweb100B/edu_fineweb_val_000000.bin", &b))
+
+	t := must(bpe.NewTokenizerFromFiles("gpt2/models/base/vocab.json", "gpt2/models/base/merges.txt"))
+
+	s := decode(&a, 1024, t)
+	k := decode(&b, 1024, t)
+
+	fmt.Println(s)
+
+	fmt.Println()
+
+	fmt.Println(k)
+}
+
+func must[T any](v T, err error) T {
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return v
+}
+
+func decode[T constraints.Integer](src *llmc.DataFile[T], n int, t *bpe.Tokenizer) string {
+	ids := make([]int, n)
+
+	if len(src.Tokens) < n {
+		panic("not enough tokens")
+	}
+
+	for i := range n {
+		ids[i] = int(src.Tokens[i])
+	}
+
+	return t.Decode(ids)
+}