Resynthesize exports lazily.

Resynthesize exports lazily.

This and the previous import changes made DDC about 18% faster, down
from 1100 ms to 900 ms.

R=paulberry@google.com
BUG=

Committed: https://github.com/dart-lang/sdk/commit/635dc5fabf76e0c03827df323900ab9f670b8c05

[Paul Berry, 2016-05-23 18:04:03]

lgtm

[scheglov, 2016-05-23 18:05:33]

Description was changed from

==========
Resynthesize exports lazily.

This and the previous import changes made DDC about 18% faster, down
from 1100 ms to 900 ms.

R=paulberry@google.com
BUG=
==========

to

==========
Resynthesize exports lazily.

This and the previous import changes made DDC about 18% faster, down
from 1100 ms to 900 ms.

R=paulberry@google.com
BUG=

Committed:
https://github.com/dart-lang/sdk/commit/635dc5fabf76e0c03827df323900ab9f670b8c05
==========

[scheglov, 2016-05-23 18:05:34]

Committed patchset #1 (id:1) manually as
635dc5fabf76e0c03827df323900ab9f670b8c05 (presubmit successful).

[Cutch, 2016-05-23 18:28:42]

On 2016/05/23 18:05:34, scheglov wrote:
> Committed patchset #1 (id:1) manually as
> 635dc5fabf76e0c03827df323900ab9f670b8c05 (presubmit successful).

I keep seeing CLs fly by with "speed up by x%". Where are these performance
increases tracked?

[scheglov, 2016-05-23 21:50:03]

On 2016/05/23 18:28:42, Cutch wrote:
> On 2016/05/23 18:05:34, scheglov wrote:
> > Committed patchset #1 (id:1) manually as
> > 635dc5fabf76e0c03827df323900ab9f670b8c05 (presubmit successful).
> 
> I keep seeing CLs fly by with "speed up by x%". Where are these performance
> increases tracked?

These are performance numbers for DDC compilation of a big internal test case.
I'm not aware of a document where these changes are tracked.