Add perplexity data.

README.md

@@ -11,3 +11,26 @@ For use with [llama.cpp](https://github.com/ggerganov/llama.cpp).
 - Model: [openlm-research/open_llama_7b](https://huggingface.co/openlm-research/open_llama_7b)
 - llama.cpp 4,5,8-bit quantization: build 567(2d5db48) or later
 - llama.cpp newer quantization formats: build 616(99009e7) or later
+
+## Perplexity
+
+Calculated with llama.cpp, default settings (context 512, batch 512).
+Test data: [`wiki.test.raw` of WikiText-103](https://blog.salesforceairesearch.com/the-wikitext-long-term-dependency-language-modeling-dataset/):
+
+| model                     | score  |
+| ------------------------- | -----: |
+| open-llama-7b-q2_K.bin    | 8.5152 |
+| open-llama-7b-q3_K_S.bin  | 7.6623 |
+| open-llama-7b-q3_K.bin    | 7.3837 |
+| open-llama-7b-q3_K_L.bin  | 7.3043 |
+| open-llama-7b-q4_0.bin    | 7.2116 |
+| open-llama-7b-q4_1.bin    | 7.1609 |
+| open-llama-7b-q4_K_S.bin  | 7.1516 |
+| open-llama-7b-q4_K.bin    | 7.1116 |
+| open-llama-7b-q5_0.bin    | 7.0353 |
+| open-llama-7b-q5_K_S.bin  | 7.0325 |
+| open-llama-7b-q5_1.bin    | 7.0318 |
+| open-llama-7b-q5_K.bin    | 7.0272 |
+| open-llama-7b-q6_K.bin    | 7.0050 |
+| open-llama-7b-q8_0.bin    | 6.9968 |
+| open-llama-7b-f16.bin     | 6.9966 |