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denoland-deno/ops/optimizer_tests/async_result.out
Bartek Iwańczuk 702284dc22
perf(ops): directly respond for eager ops (#18683)
This commit changes "eager ops" to directly return a response value
instead of calling "opresponse" callback in JavaScript. This saves
one boundary crossing and has a fantastic impact on the "async_ops.js"
benchmark:

```
v1.32.4
$ deno run cli/bench/async_ops.js
time 329 ms rate 3039513
time 322 ms rate 3105590
time 307 ms rate 3257328
time 301 ms rate 3322259
time 303 ms rate 3300330
time 306 ms rate 3267973
time 300 ms rate 3333333
time 301 ms rate 3322259
time 301 ms rate 3322259
time 301 ms rate 3322259
time 302 ms rate 3311258
time 301 ms rate 3322259
time 302 ms rate 3311258
time 302 ms rate 3311258
time 303 ms rate 3300330
```

```
this branch
$ ./target/release/deno run -A cli/bench/async_ops.js
time 257 ms rate 3891050
time 248 ms rate 4032258
time 251 ms rate 3984063
time 246 ms rate 4065040
time 238 ms rate 4201680
time 227 ms rate 4405286
time 228 ms rate 4385964
time 229 ms rate 4366812
time 228 ms rate 4385964
time 226 ms rate 4424778
time 226 ms rate 4424778
time 227 ms rate 4405286
time 228 ms rate 4385964
time 227 ms rate 4405286
time 228 ms rate 4385964
time 227 ms rate 4405286
time 229 ms rate 4366812
time 228 ms rate 4385964
```

Prerequisite for https://github.com/denoland/deno/pull/18652
2023-04-13 14:32:47 +02:00

142 lines
5 KiB
Text

#[allow(non_camel_case_types)]
///Auto-generated by `deno_ops`, i.e: `#[op]`
///
///Use `op_async_result::decl()` to get an op-declaration
///you can include in a `deno_core::Extension`.
pub struct op_async_result;
#[doc(hidden)]
impl op_async_result {
pub const fn name() -> &'static str {
stringify!(op_async_result)
}
#[allow(clippy::not_unsafe_ptr_arg_deref)]
pub extern "C" fn v8_fn_ptr<'scope>(
info: *const deno_core::v8::FunctionCallbackInfo,
) {
let info = unsafe { &*info };
let scope = &mut unsafe { deno_core::v8::CallbackScope::new(info) };
let args = deno_core::v8::FunctionCallbackArguments::from_function_callback_info(
info,
);
let rv = deno_core::v8::ReturnValue::from_function_callback_info(info);
Self::v8_func(scope, args, rv);
}
pub const fn decl<'scope>() -> deno_core::OpDecl {
deno_core::OpDecl {
name: Self::name(),
v8_fn_ptr: Self::v8_fn_ptr as _,
enabled: true,
fast_fn: {
use deno_core::v8::fast_api::Type::*;
use deno_core::v8::fast_api::CType;
Some(
deno_core::v8::fast_api::FastFunction::new(
&[V8Value, Int32, Uint32, CallbackOptions],
CType::Void,
op_async_result_fast_fn as *const ::std::ffi::c_void,
),
)
},
is_async: true,
is_unstable: false,
is_v8: false,
force_registration: false,
}
}
#[inline]
#[allow(clippy::too_many_arguments)]
async fn call(state: Rc<RefCell<OpState>>, rid: ResourceId) -> Result<u32, Error> {}
pub fn v8_func<'scope>(
scope: &mut deno_core::v8::HandleScope<'scope>,
args: deno_core::v8::FunctionCallbackArguments,
mut rv: deno_core::v8::ReturnValue,
) {
use deno_core::futures::FutureExt;
let ctx = unsafe {
&*(deno_core::v8::Local::<deno_core::v8::External>::cast(args.data()).value()
as *const deno_core::_ops::OpCtx)
};
let op_id = ctx.id;
let realm_idx = ctx.realm_idx;
let promise_id = args.get(0);
let promise_id = deno_core::v8::Local::<
deno_core::v8::Integer,
>::try_from(promise_id)
.map(|l| l.value() as deno_core::PromiseId)
.map_err(deno_core::anyhow::Error::from);
let promise_id: deno_core::PromiseId = match promise_id {
Ok(promise_id) => promise_id,
Err(err) => {
deno_core::_ops::throw_type_error(
scope,
format!("invalid promise id: {}", err),
);
return;
}
};
let arg_0 = args.get(1usize as i32);
let arg_0 = match deno_core::serde_v8::from_v8(scope, arg_0) {
Ok(v) => v,
Err(err) => {
let msg = format!(
"Error parsing args at position {}: {}", 1usize,
deno_core::anyhow::Error::from(err)
);
return deno_core::_ops::throw_type_error(scope, msg);
}
};
let get_class = {
let state = ::std::cell::RefCell::borrow(&ctx.state);
state.tracker.track_async(op_id);
state.get_error_class_fn
};
let maybe_response = deno_core::_ops::queue_async_op(
ctx,
scope,
false,
async move {
let result = Self::call(ctx.state.clone(), arg_0).await;
(
realm_idx,
promise_id,
op_id,
deno_core::_ops::to_op_result(get_class, result),
)
},
);
if let Some(response) = maybe_response {
rv.set(response);
}
}
}
#[allow(clippy::too_many_arguments)]
fn op_async_result_fast_fn<'scope>(
_: deno_core::v8::Local<deno_core::v8::Object>,
__promise_id: i32,
rid: ResourceId,
fast_api_callback_options: *mut deno_core::v8::fast_api::FastApiCallbackOptions,
) -> () {
use deno_core::v8;
use deno_core::_ops;
let __opts: &mut v8::fast_api::FastApiCallbackOptions = unsafe {
&mut *fast_api_callback_options
};
let __ctx = unsafe {
&*(v8::Local::<v8::External>::cast(unsafe { __opts.data.data }).value()
as *const _ops::OpCtx)
};
let state = __ctx.state.clone();
let result = op_async_result::call(state, rid);
let __op_id = __ctx.id;
let __state = ::std::cell::RefCell::borrow(&__ctx.state);
__state.tracker.track_async(__op_id);
let realm_idx = __ctx.realm_idx;
let __get_class = __state.get_error_class_fn;
let result = _ops::queue_fast_async_op(
__ctx,
async move {
let result = result.await;
(realm_idx, __promise_id, __op_id, _ops::to_op_result(__get_class, result))
},
);
}