upload eval code and eval example for air-bench

examples/evaluation/air_bench/eval_air_bench.sh

@@ -0,0 +1,31 @@
+if [ -z "$HF_HUB_CACHE" ]; then
+    export HF_HUB_CACHE="$HOME/.cache/huggingface/hub"
+fi
+
+eval_args="\
+    --benchmark_version AIR-Bench_24.05 \
+    --task_types qa long-doc \
+    --domains arxiv \
+    --languages en \
+    --splits dev test \
+    --output_dir /share/jianlv/evaluation/air_bench/search_results \
+    --search_top_k 1000 --rerank_top_k 100 \
+    --cache_dir $HF_HUB_CACHE \
+    --overwrite False \
+"
+
+model_args="\
+    --embedder_name_or_path BAAI/bge-m3 \
+    --reranker_name_or_path BAAI/bge-reranker-v2-m3 \
+    --devices cuda:0 cuda:1 \
+    --model_cache_dir $HF_HUB_CACHE \
+    --reranker_max_length 1024 \
+"
+
+cmd="python -m FlagEmbedding.evaluation.air_bench \
+    $eval_args \
+    $model_args \
+"
+
+echo $cmd
+eval $cmd