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Revert "Refactor dispatch handling (#2452)"

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Due to performance regression:
dc60fe9f30 (commitcomment-33943711)

This reverts commit dc60fe9f30.
This commit is contained in:
Ryan Dahl 2019-06-14 13:58:20 -04:00
parent 3dff147d0c
commit 1361e30223
18 changed files with 711 additions and 669 deletions
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17
core/shared_queue.js
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@ -151,27 +151,14 @@ SharedQueue Binary Layout
function handleAsyncMsgFromRust(buf) {
if (buf) {
handleAsyncMsgFromRustInner(buf);
asyncHandler(buf);
} else {
while ((buf = shift()) != null) {
handleAsyncMsgFromRustInner(buf);
asyncHandler(buf);
}
}
}
function handleAsyncMsgFromRustInner(buf) {
// DataView to extract cmdId value.
const dataView = new DataView(buf.buffer, buf.byteOffset, 4);
const promiseId = dataView.getInt32(0);
// Uint8 buffer view shifted right and shortened 4 bytes to remove cmdId from view window.
const bufViewFinal = new Uint8Array(
buf.buffer,
buf.byteOffset + 4,
buf.byteLength - 4
);
asyncHandler(promiseId, bufViewFinal);
}
function dispatch(control, zeroCopy = null) {
maybeInit();
// First try to push control to shared.