feat: 添加 session arena 标记清扫 GC

2026-06-16 23:09:36 +08:00
parent 94beeb350b
commit a1b6ab944a
7 changed files with 677 additions and 3 deletions
@@ -20,6 +20,7 @@ pub struct KernelConfig {
    pub max_dead_strings: Option<usize>,
    pub max_steps: Option<u64>,
    pub max_call_depth: usize,
+    pub session_gc_threshold: usize,
    pub log_levels: [LogLevel; SUBSYSTEM_COUNT],
    pub warmup_builtin_shapes: bool,
    pub warmup_builtin_code: bool,
@@ -34,6 +35,7 @@ impl KernelConfig {
            max_dead_strings: Some(10_000),
            max_steps: None,
            max_call_depth: 1024,
+            session_gc_threshold: 8_388_608,
            log_levels: [LogLevel::Off; SUBSYSTEM_COUNT],
            warmup_builtin_shapes: true,
            warmup_builtin_code: false,
@@ -48,6 +50,7 @@ impl KernelConfig {
            max_dead_strings: Some(10_000),
            max_steps: None,
            max_call_depth: 1024,
+            session_gc_threshold: 8_388_608,
            log_levels: [LogLevel::Off; SUBSYSTEM_COUNT],
            warmup_builtin_shapes: true,
            warmup_builtin_code: true,
@@ -62,12 +65,26 @@ impl KernelConfig {
            max_dead_strings: Some(5_000),
            max_steps: None,
            max_call_depth: 1024,
+            session_gc_threshold: 8_388_608,
            log_levels: [LogLevel::Off; SUBSYSTEM_COUNT],
            warmup_builtin_shapes: true,
            warmup_builtin_code: true,
            warmup_builtin_ic: true,
        }
    }
+
+    pub fn session_gc_threshold(&self) -> usize {
+        self.session_gc_threshold
+    }
+
+    pub fn set_session_gc_threshold(&mut self, bytes: usize) {
+        self.session_gc_threshold = bytes;
+    }
+
+    pub fn with_session_gc_threshold(mut self, bytes: usize) -> Self {
+        self.session_gc_threshold = bytes;
+        self
+    }
 }

 impl Default for KernelConfig {
@@ -121,6 +138,14 @@ impl KernelCore {
    pub fn config(&self) -> &KernelConfig {
        &self.config
    }
+
+    pub fn session_gc_threshold(&self) -> usize {
+        self.config.session_gc_threshold
+    }
+
+    pub fn set_session_gc_threshold(&mut self, bytes: usize) {
+        self.config.session_gc_threshold = bytes;
+    }
 }

 /// Per-session mutable state: builtin prototype objects and the global object.