ITStudio_OUC/OxideJS-New
0
1
Fork 0
mirror of https://github.com/pjh456/OxideJS.git synced 2026-10-24 18:51:13 +08:00
Code Issues Packages Projects Releases Wiki Activity

refactor: 扁平化对象属性存储并优化常量池与 IC 热路径

Browse Source
This commit is contained in:
彭俊皓
2026-06-13 23:59:47 +08:00
parent 7b13bbbd7d
commit 551695bfad
26 changed files with 307 additions and 87 deletions
Download Patch File Download Diff File Expand all files Collapse all files
crates/oxide_vm/src/dispatch/property.rs
+30 -4
View File
@@ -2,9 +2,32 @@ use oxide_compiler::opcode::OpCode;
use oxide_kernel::prop_forge::PropTemplate;
use oxide_kernel::{ic_debug, ic_trace};
use oxide_types::object::JsObject;
use oxide_types::value::JsValue;
use crate::vm::Vm;
#[inline(always)]
fn ic_get_hit(obj: &JsObject, shape_id: u32, slot_index: u32) -> Option<JsValue> {
if shape_id != 0 && obj.shape_id() == shape_id && slot_index < obj.prop_vec_len() as u32 {
Some(obj.get_prop_at(slot_index))
} else {
None
}
}
#[inline(always)]
fn ic_set_hit(obj: &mut JsObject, shape_id: u32, slot_index: u32, value: JsValue) -> bool {
if shape_id != 0 && obj.shape_id() == shape_id && slot_index < obj.prop_vec_len() as u32 {
obj.set_prop_at(slot_index, value);
true
} else {
false
}
}
#[cold]
fn prop_cache_miss() {}
impl Vm {
pub(crate) fn dispatch_property_op(&mut self, op: OpCode, rd: usize, a: usize, b: usize) -> Result<(), String> {
match op {
@@ -70,10 +93,11 @@ impl Vm {
let cached_shape_id = ext0 & 0x00FF_FFFF;
let cached_slot = ext1;
if cached_shape_id != 0 && cached_shape_id == obj.shape_id() && cached_slot < obj.prop_vec_len() as u32 {
self.regs[a] = obj.get_prop_at(cached_slot);
if let Some(value) = ic_get_hit(obj, cached_shape_id, cached_slot) {
self.regs[a] = value;
ic_trace!("IC_GET hit shape={} slot={}", cached_shape_id, cached_slot);
} else if let Some(template) = self.kernel.prop_forge().get_template(obj.shape_id()) {
prop_cache_miss();
if template.prop_name == prop_name_si {
if template.position < obj.prop_vec_len() as u32 {
self.write_ic_back(obj.shape_id(), template.position);
@@ -93,6 +117,7 @@ impl Vm {
self.regs[a] = self.ordinary_get(obj, prop_name_si, val)?;
}
} else {
prop_cache_miss();
ic_debug!("IC_GET miss shape={} prop={}", obj.shape_id(), prop_name_si);
let resolved = self.ordinary_get(obj, prop_name_si, val)?;
if let Some(pos) = self.kernel.shape_forge().lookup_position(obj.shape_id(), prop_name_si) {
@@ -136,14 +161,15 @@ impl Vm {
let cached_shape_id = ext0 & 0x00FF_FFFF;
let cached_slot = ext1;
if cached_shape_id != 0 && cached_shape_id == obj.shape_id() && cached_slot < obj.prop_vec_len() as u32 {
obj.set_prop_at(cached_slot, value);
if ic_set_hit(obj, cached_shape_id, cached_slot, value) {
ic_trace!("IC_SET hit shape={} slot={}", cached_shape_id, cached_slot);
} else if let Some(pos) = self.kernel.shape_forge().lookup_position(obj.shape_id(), prop_name_si) {
prop_cache_miss();
obj.set_prop_at(pos, value);
self.write_ic_back(obj.shape_id(), pos);
ic_debug!("IC_SET write-back shape={} slot={}", obj.shape_id(), pos);
} else {
prop_cache_miss();
let old_shape = obj.shape_id();
self.ordinary_set_dispatch(obj, prop_name_si, value, receiver)?;
if old_shape != obj.shape_id() {