release initial code

Co-authored-by: Ying Sheng <sqy1415@gmail.com>
Co-authored-by: Liangsheng Yin <hnyls2002@gmail.com>
Co-authored-by: Zhiqiang Xie <xiezhq@stanford.edu>
Co-authored-by: parasol-aser <3848358+parasol-aser@users.noreply.github.com>
Co-authored-by: LiviaSun <33578456+ChuyueSun@users.noreply.github.com>
Co-authored-by: Cody Yu <hao.yu.cody@gmail.com>

python/sglang/global_config.py

@@ -0,0 +1,28 @@
+"""Global configurations"""
+
+
+class GlobalConfig:
+    def __init__(self):
+        # Verbosity level
+        # 0: do not output anything
+        # 2: output final text after every run
+        self.verbosity = 0
+
+        self.default_backend = None
+
+        # Output configs
+        self.skip_special_tokens_in_output = True
+
+        # Optimization configs
+        self.eager_fill_image = False
+        self.enable_prefix_sharing = True
+        self.enable_parallel_encoding = True
+        self.enable_parallel_decoding = True
+
+        # Choices: ["no_adjust", "adjust_cache"]
+        # no_adjust: Do not adjust the position embedding of KV cache.
+        # adjust_cache: Adjust the position embedding of KV cache.
+        self.concate_and_append_mode = "no_adjust"
+
+
+global_config = GlobalConfig()