On Mar 24, 2014, at 15:54 , Dirk Pranke
dpra...@chromium.orgmailto:dpra...@chromium.org wrote:
On Mon, Mar 24, 2014 at 3:32 PM, Bem Jones-Bey
bjone...@adobe.commailto:bjone...@adobe.com wrote:
On Mar 24, 2014, at 14:54 , Dirk Pranke
dpra...@chromium.orgmailto:dpra...@chromium.org wrote:
On Sun, Mar 23, 2014 at 12:52 PM, Benjamin Poulain
benja...@webkit.orgmailto:benja...@webkit.org wrote:
Same here :(
On 3/23/14, 12:15 PM, Darin Adler wrote:
When I use run-webkit-tests to run the entire test suite, on a debug build of
TOT WebKit, on Mavericks, I’m having the following problems:
- Towards the end of the run, the tests run slowly, over a second per test on
my 3.5GHz i7 iMac with tons of memory, which is about 10X too slow I think. The
sample shows the vast majority of the time is spent in JavaScript garbage
collection. This is running mostly the svg/custom tests.
Yep. The time from 31k to 33k is a long as from 0 to 31k :(
- Towards the end of the run, instead of the 8 parallel copies of
DumpRenderTree, only 1 copy of DumpRenderTree seems to run. This is running
mostly the svg/custom tests.
I think the problem is we can only run DumpRenderTree in parallel on different
folders. Toward the end, everything left is one or two slow folders.
The problem is partially that the sharding is folder-at-a-time, partially that
the svg folder is big and slow, and partially that svg comes near the end of
the alphabet (i.e., we don't start the big slow directory until close to the
end of run, so there ends up being one big long pole).
At some point we added code to run-webkit-tests to have a list of slow
directories that got started towards the beginning. I don't remember if we did
that before or after the Blink fork, but it would be easy to port it over from
Blink if it was after.
I'm pretty sure this was after the Blink fork. I did a quick look through the
history, and I found this:
http://src.chromium.org/viewvc/blink?revision=152697view=revision
Is that the correct change? If it will make tests run faster in WebKit land as
well, I'm more than happy to port it myself. :-)
Yup, that's the one. Obviously the whole virtual test suite thing is less
relevant, but you can use it for any directory you want.
Well, I tried that patch, replacing virtual with svg, and it doesn't seem
to have any effect on the speed of the run for me. But I'm also not 100% sure
that I am seeing the slowness issue that others are reporting. (I also get 18
copies of DRT, not 8, so)
- Bem
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