v2.0.0：多上下文长度测试(默认512/2048/8192/32768/131072)+测试前空转预热(不计速度)+解码输出默认128+每长度采样默认2+Excel(xlsx)导出+详情按长度分组+接口输入框图标美化+README文档

database.py

@@ -39,6 +39,7 @@ CREATE TABLE IF NOT EXISTS test_runs(
   id INTEGER PRIMARY KEY AUTOINCREMENT,
   test_id INTEGER NOT NULL,
   run_index INTEGER DEFAULT 0,
+  context_length INTEGER DEFAULT 0,
   metrics_json TEXT DEFAULT '{}',
   error TEXT DEFAULT ''
 );
@@ -65,11 +66,20 @@ def _connect():
     return conn
 
 
+def _migrate(conn):
+    """老库升级：为 test_runs 补 context_length 列"""
+    cur = conn.execute("PRAGMA table_info(test_runs)")
+    cols = [r[1] for r in cur.fetchall()]
+    if "context_length" not in cols:
+        conn.execute("ALTER TABLE test_runs ADD COLUMN context_length INTEGER DEFAULT 0")
+
+
 def init_db():
     with _lock:
         conn = _connect()
         try:
             conn.executescript(SCHEMA)
+            _migrate(conn)
             conn.commit()
         finally:
             conn.close()
@@ -202,13 +212,13 @@ def delete_test(tid: int):
 
 # ───────────────────────── 采样指标 ─────────────────────────
 
-def add_run(tid: int, run_index: int, metrics: dict, error: str = ""):
+def add_run(tid: int, run_index: int, metrics: dict, error: str = "", context_length: int = 0):
     with _lock:
         conn = _connect()
         try:
             conn.execute(
-                "INSERT INTO test_runs(test_id,run_index,metrics_json,error) VALUES(?,?,?,?)",
-                (tid, run_index, json.dumps(metrics, ensure_ascii=False), error))
+                "INSERT INTO test_runs(test_id,run_index,context_length,metrics_json,error) VALUES(?,?,?,?,?)",
+                (tid, run_index, context_length, json.dumps(metrics, ensure_ascii=False), error))
             conn.commit()
         finally:
             conn.close()
@@ -219,7 +229,7 @@ def get_runs(tid: int):
         conn = _connect()
         try:
             rows = conn.execute(
-                "SELECT run_index,metrics_json,error FROM test_runs "
+                "SELECT run_index,context_length,metrics_json,error FROM test_runs "
                 "WHERE test_id=? ORDER BY run_index", (tid,)).fetchall()
             out = []
             for r in rows: