Multiple entry points -> multiple html outputs webpack rebuild very slow

my question is:

• in my project, i has 70's entries and htmls page. when one entry changed, html-webpack-plugin
  rebuild very slowly, Has anyone ever met ？

[cyqresig]

I met this, too. Rebuilding is rather slow using html-webpack-plugin@2+ on webpack 2 or 3.
I try to downgrade it to 1.7.0, then everything is ok.
But I think it is a serious bug that need to be fixed as soon as possible.

[mastilver]

Could you try if it gets better with: #723

[cyqresig]

I try the pr code and it works, and I found that:

1. Rebuilding has returned to normal, but it is still a little slower than using version 1.7.0,
2. Initial building is almost 30% slower than using version 1.7.0, and it is almost 25% faster than using version 2.X.

[mastilver]

@cyqresig thank you for you feedback, we will make sure to improve that!

@mastilver I try the pr code,but it didn't work .
I used "webpack multicompile " to resolve it

[simon-yxl]

I met this, too.

[githoniel]

me two.
when there is 10 entry, rebuild take about 8000ms. i think it's acceptable
when I add to 24 entry, rebuild take about 40000ms.......

[jantimon]

Is there a difference between webpack 1 and webpack 3?
Because we have similar issues here: webpack/webpack#5505 (comment)

[githoniel]

yes i think it's because of webpack3.
I switch to webpack2, rebuild is only 3000ms.

[0] webpack: Compiling...
[0] webpack: wait until bundle finished: /chunk.2.js
[0] webpack building...
[0]  DONE  Compiled successfully in 3001ms14:45:37
[0]
[0] webpack built 0ee20b12b0698f93c3a9 in 3001ms
[0] Hash: 0ee20b12b0698f93c3a9
[0] Version: webpack 2.7.0
[0] Time: 3001ms

notice that [0] webpack: wait until bundle finished: /chunk.2.js.
It seem that webpack2 only rebuild chunk2.
but in webpack3，there is a full rebuild.

[M-torch99]

me too,but have some difference ways to solve?

[zooey1184]

i met it also, i used single rebuild to resolve it, i think if i use multi entry point to build my project, i can build it to single file, at first i build it like this "npm run dev index"(this is process.argv) ; so, everything is easy