1 files changed, 53 insertions, 0 deletions
diff --git a/research/entropy/context.go b/research/entropy/context.go
new file mode 100644
index 0000000..3993c03
--- /dev/null
+++ b/research/entropy/context.go
@@ -0,0 +1,53 @@
+package entropy
+
+import (
+	"fmt"
+
+	"go.jknobloc.com/x/dataset"
+	"go.jknobloc.com/x/llm"
+)
+
+type logProb struct {
+	document int
+	token    int
+	value    float32
+	offset   int
+}
+
+func Context(model llm.Causal, tokenizer llm.Tokenizer, data dataset.Reader) error {
+	evaluatorConfig := llm.EvaluatorConfig{
+		BatchSize:  32,
+		NumWorkers: 16,
+	}
+
+	tokenBufferConfig := llm.TokenBufferConfig{
+		Window:     1024,
+		Stride:     512,
+		PadLeft:    false,
+		PadRight:   false,
+		PadTokenID: 256,
+	}
+
+	eval := llm.NewEvaluator(model, tokenizer, func(job llm.Job, logProbs []float32, tokens []int) []logProb {
+		r := make([]logProb, len(tokens))
+
+		for i, token := range tokens {
+			r[i] = logProb{
+				document: job.Document,
+				token:    token,
+				value:    logProbs[i],
+				offset:   job.Position*tokenBufferConfig.Stride + job.Seen + i,
+			}
+		}
+
+		return r
+	}, evaluatorConfig)
+
+	return eval.RunAndCollect("Context", data, tokenBufferConfig, func(r []logProb) error {
+		for _, l := range r {
+			fmt.Println(l) // TODO implement
+		}
+
+		return nil
+	})
+}