v8/test/test262/test262.isolate
machenbach 6cecb3eb77 [Swarming] Speed up test262 upload/download.
This experimentally implements taring/untaring the test data
for test262 on the v8-side before test isolation and when
running the tests.

It archives on demand only if the tar is outdated compared
to the contained files. This comes with a cost of ~1s extra
to run gyp on linux and ~6s extra on windows. Ninja is
lightning fast afterwards in detecting changes. Also, we
archive only when test_isolation_mode is set and when
the test262_run target is required.

The archiving itself costs ~30s on all platforms. But as the
files will change seldom this shouldn't have a big impact.

Extraction on the test runner side is below 2s on mac and
linux. The speedup is enormous. Around 5 minutes were spent
on download on swarming slaves before, which is now only
a few seconds. So total test time for release (no variants),
e.g. goes from 8 to 3 minutes.

BUG=chromium:535160
LOG=n

Review URL: https://codereview.chromium.org/1713993002

Cr-Commit-Position: refs/heads/master@{#34155}
2016-02-19 14:41:29 +00:00

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# Copyright 2015 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
{
'variables': {
'files': [
'data.tar',
'harness-adapt.js',
'test262.status',
'testcfg.py',
],
},
'includes': [
'../../src/d8.isolate',
'../../tools/testrunner/testrunner.isolate',
],
}