1784401 - Firefox 20x-50x slower than Chrome on setter and getter of HTMLInputElement.value (Was:Codepen demo can spend a large time in ICU)

Status: RESOLVED DUPLICATE of bug 1842027

(Core :: DOM: Forms, enhancement)

Description

[Mayank Bansal]

Go to https://codepen.io/sweaver2112/pen/NWRxKra
Click on the "Shuffle" button

AR: Somewhat slower.
ER: Faster, if possible.

Profile: https://share.firefox.dev/3pbt89w

Comment 1

[Mayank Bansal]

Attachment: about:support

Comment 2

[Makoto Kato [:m_kato]]

Profiling data seems to spend a lot of time for getter of HTMLInputElement.value (<input type=number>). Moving to DOM

Comment 3

[Makoto Kato [:m_kato]]

Attachment: micro benchmark for setter and getter

Comment 4

[Makoto Kato [:m_kato]]

Original report is getter only. But when using both setter and getter, Gecko is 20x-30x slower than Chrome.

Comment 5

[Olli Pettay [:smaug][[e-mail]]]

Reminds me of bug 1749590

Comment 6

[Greg Tatum [:gregtatum]]

Here's a profile, the text input is calling spending its time parsing the input as a number: https://share.firefox.dev/3pfXN5E

Comment 7

[Masatoshi Kimura [:emk]]

We can't avoid localized input unlike <input type=range>. Why Chrome is such faster?

Comment 8

[Mayank Bansal]

On the attached benchmark:

Chrome: 8ms
Nightly: 650ms (https://share.firefox.dev/42WGCr6)

Comment 9

[Mayank Bansal]

With the latest Nightly, we are as fast as Chrome here. https://share.firefox.dev/44ms3yM
For ease of tracking, i will dupe this to bug 1842027