ITStudio_OUC/OxideJS
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perf: 函数调用 bytecode 改 Arc 共享（O(1) 帧切换 + IC 写时复制）

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爱特每羊队
2026-08-10 15:08:51 +08:00
parent dce613959f
commit eaf4825e4f
12 changed files with 72 additions and 50 deletions
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crates/oxide_vm/src/vm_support.rs
+4 -4
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@@ -25,7 +25,7 @@ impl Vm {
let mut vm = Self {
regs: [JsValue::undefined(); 256],
pc: 0,
bytecode: Vec::new(),
bytecode: Arc::default(),
immutables_cache: Vec::new(),
active_immutables: std::ptr::slice_from_raw_parts(std::ptr::null(), 0),
frames: smallvec::SmallVec::new(),
@@ -118,7 +118,7 @@ impl Vm {
let mut vm = Self {
regs: [JsValue::undefined(); 256],
pc: 0,
bytecode: Vec::new(),
bytecode: Arc::default(),
immutables_cache: Vec::new(),
active_immutables: std::ptr::slice_from_raw_parts(std::ptr::null(), 0),
frames: smallvec::SmallVec::new(),
@@ -266,7 +266,7 @@ impl Vm {
fn clear_full_reset_state(&mut self) {
self.clear_execution_state();
self.bytecode.clear();
self.bytecode = Arc::default();
self.immutables_cache.clear();
self.active_immutables = std::ptr::slice_from_raw_parts(std::ptr::null(), 0);
self.free_epoch_object_heap_data();
@@ -334,7 +334,7 @@ impl Vm {
pub fn reset(&mut self) {
self.clear_execution_state();
self.maybe_collect_session_gc();
self.bytecode.clear();
self.bytecode = Arc::default();
self.immutables_cache.clear();
self.active_immutables = std::ptr::slice_from_raw_parts(std::ptr::null(), 0);
self.free_epoch_object_heap_data();