This is done now while embedders have yet to adapt to the new API before
it becomes hard to migrate.
Also renamed variable/methods to use "worker threads" rather than
"background" nomenclature.
Extracted from https://chromium-review.googlesource.com/c/v8/v8/+/978443/7
while resolving the more contentious bits around using task runners.
TBR=rmcilroy@chromium.org
Bug: chromium:817421
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: Ie3ddf15a708e829c0f718d89bebf3e96d1990c16
Reviewed-on: https://chromium-review.googlesource.com/980953
Commit-Queue: Gabriel Charette <gab@chromium.org>
Reviewed-by: Gabriel Charette <gab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52231}
With a temporary intermediate step to allow adapting embedders before
getting rid of the ExpectedRuntime method altogether.
The method is being renamed to CallOnWorkerThread() as an effort to
go away from "background" nomenclature for worker threads ("background"
usually refers to a priority but worker threads are commonly used for
high priority tasks in v8).
Other CLs will follow to rename other "background" APIs.
Bug: v8:7310
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng;master.tryserver.chromium.linux:linux_chromium_rel_ng
Change-Id: I2fd4eac7458708d4eacb0f4871c982a567a3865e
Reviewed-on: https://chromium-review.googlesource.com/941442
Commit-Queue: Gabriel Charette <gab@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51645}
Now that UnoptimizedCompileJob only has three stages, move the logic for
stepping between these stages out of UnoptimizedCompileJob and back into
CompilerDispatcher.
BUG=v8:5203
Change-Id: I3bb776e14ef9da801dc9792e9e643b8026135060
Reviewed-on: https://chromium-review.googlesource.com/774743
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49422}
Simplifies the unoptimized compile job to have only three steps, the
on-main-thread prepare step, the off-thread compile step and the
on-main-thread finalization step.
As part of this change, the compiler dispatcher no longer supports
functions with outer scopeinfo's, since these need to be analysed on the
main thread.
BUG=v8:5203
Change-Id: Ifb378ef81bd47b6f6d4037a3b8acf88660896c4e
Reviewed-on: https://chromium-review.googlesource.com/774558
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49413}
- Update most callsites to use the new RunJS method
- Update tests to use TestWithNativeContext if possible
- Remove RunJS from test-helpers.cc
- Remove TestWithRandomNumberGenerator from test-utils.h
Change-Id: Ib2a6cc56334dc391ca6a2aeb7780fa324f44f109
Reviewed-on: https://chromium-review.googlesource.com/765373
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49325}
Expressions of the form
a_0 + a_1 + a_2 + a_3 + ... + a_n
seem to be reasonably common for cases such as building templates.
However, parsing these expressions results in a n-deep expression tree:
...
/
+
/ \
+ a_2
/ \
a_0 a_1
Traversing this tree during compilation can cause a stack overflow when n is
large.
Instead, for left-associate operations such as add, we now build up an
n-ary node in the parse tree, of the form
n-ary +
/ | \
/ | ... \
a_0 a_1 a_n
The bytecode compiler can now iterate through the child expressions
rather than recursing.
This patch only supports arithmetic operations -- subsequent patches
will enable the same optimization for logical tests and comma
expressions.
Bug: v8:6964
Bug: chromium:724961
Bug: chromium:731861
Bug: chromium:752081
Bug: chromium:771653
Bug: chromium:777302
Change-Id: Ie97e4ce42506fe62a7bc4ffbdaa90a9f698352cb
Reviewed-on: https://chromium-review.googlesource.com/733120
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48920}
Since we don't have a full-codegen compiler anymore, we no longer
generate Code::FUNCTION kind. Nice! Here is some cleanup.
Bug: v8:6409
Change-Id: I05634e4ca85c4037b49a4346f4e8bae8042b8762
Reviewed-on: https://chromium-review.googlesource.com/657817
Commit-Queue: Michael Stanton <mvstanton@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47951}
Parse tasks are not currently used, and will need to be changed significantly
for background compilation, so we remove them for now.
BUG=v8:6093,v8:5203
Change-Id: I44559a94ecca85668f0117629d35aaa5f4075745
Reviewed-on: https://chromium-review.googlesource.com/617140
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47446}
This is in preparation to the removal of the FullCodeGenerator, we no
longer need the ability to stress the underlying implementation.
R=rmcilroy@chromium.org
BUG=v8:6409
Cq-Include-Trybots: master.tryserver.v8:v8_linux_noi18n_rel_ng
Change-Id: Iad3177d6de4a68b57c12a770b6e85ed7a9710254
Reviewed-on: https://chromium-review.googlesource.com/584747
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47276}
Rather than storing the isolate in compiler dispatcher jobs, which gets
weird for jobs that are entirely off-thread, instead pass the isolate
in when stepping on the main thread.
This makes it clearer which steps must be executed on the main thread,
as they require the caller to explicitly give them access to the
isolate.
Bug: v8:6537
Change-Id: I02fff7c77fdcdbfb099a38235f94d8c1040699ac
Reviewed-on: https://chromium-review.googlesource.com/589437
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46962}
Reland of https://chromium-review.googlesource.com/c/558290/
Makes compiler dispatcher jobs an abstract interface, with unoptimized
compile jobs as an implementation of this interface.
Bug: v8:6537
Change-Id: Ia85781f72c7aaca497896ca4efa91ada97e43b1c
Reviewed-on: https://chromium-review.googlesource.com/589154
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46940}
Makes compiler dispatcher jobs an abstract interface, with unoptimized
compile jobs as an implementation of this interface.
Bug: v8:6537
Change-Id: I6569060a89c92d35e4bc7962623f77082a354934
Reviewed-on: https://chromium-review.googlesource.com/558290
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46931}
