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This commit is contained in:
Fabian 2020-12-31 19:14:30 -06:00
parent acb8ad5423
commit 8bef61183e
1 changed files with 6 additions and 6 deletions
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12
src/rust/jit.rs
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@ -306,7 +306,7 @@ pub struct JitState {
// as an alternative to HashSet, we could use a bitmap of 4096 bits here
// (faster, but uses much more memory)
// or a compressed bitmap (likely faster)
hot_code_addresses: [u32; HASH_PRIME as usize],
hot_pages: [u32; HASH_PRIME as usize],
wasm_table_index_free_list: Vec<u16>,
wasm_table_index_pending_free: Vec<u16>,
entry_points: HashMap<Page, HashSet<u16>>,
@ -322,7 +322,7 @@ impl JitState {
// don't assign 0 (XXX: Check)
let wasm_table_indices = 1..=(WASM_TABLE_SIZE - 1) as u16;
let mut c = JitState {
hot_code_addresses: [0; HASH_PRIME as usize],
hot_pages: [0; HASH_PRIME as usize],
wasm_table_index_free_list: Vec::from_iter(wasm_table_indices),
wasm_table_index_pending_free: vec![],
entry_points: HashMap::new(),
@ -1285,9 +1285,9 @@ pub fn jit_increase_hotness_and_maybe_compile(
) {
let page = Page::page_of(phys_address);
let address_hash = jit_hot_hash_page(page) as usize;
ctx.hot_code_addresses[address_hash] += hotness;
if ctx.hot_code_addresses[address_hash] >= JIT_THRESHOLD {
ctx.hot_code_addresses[address_hash] = 0;
ctx.hot_pages[address_hash] += hotness;
if ctx.hot_pages[address_hash] >= JIT_THRESHOLD {
ctx.hot_pages[address_hash] = 0;
jit_analyze_and_generate(ctx, page, cs_offset, state_flags)
};
}
@ -1422,7 +1422,7 @@ pub fn jit_dirty_page(ctx: &mut JitState, page: Page) {
did_have_code = true;
// don't try to compile code in this page anymore until it's hot again
ctx.hot_code_addresses[jit_hot_hash_page(page) as usize] = 0;
ctx.hot_pages[jit_hot_hash_page(page) as usize] = 0;
},
}