| Commit message (Collapse) | Author | Age |
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than the graph version when that is feasible.
* It's not feasible when the computation accesses outside state, i.e. is non-hermetic, so see below.
* It's also more complicated (and not worth the trouble) when the computation is taking place just for the error status.
Have SkyFunctionName declare whether the function it corresponds to is hermetic or non-hermetic. Only non-hermetically-generated SkyValues can be directly marked changed, and non-hermetic SkyFunctions have their values saved at the graph version, not the max of the child versions. All SkyFunctions are hermetic except for the ones that can be explicitly dirtied.
A marked-hermetic SkyFunction that has a transient error due to filesystem access can be re-evaluated and get the correct version: if it throws an IOException at version 1 and then, when re-evaluated at version 2 with unchanged dependencies, has a value, the version will be version 1.
All Skyframe unit tests that were doing non-hermetic things to nodes need to declare that those nodes are non-hermetic. I tried to make the minimal set of changes there, so that we had good incidental coverage of hermetic+non-hermetic nodes. Also did some drive-by clean-ups around that code.
Artifacts are a weird case, since they're doing untracked filesystem access (for source directories). Using max(child versions) for them gives rise to the following correctness bug: 1. do a build at v1 that creates a FileStateValue for dir/ at v1. Then at v2, add a file to dir/ and do a build that consumes dir/ as a source artifact. Now the artifact for dir/ will (incorrectly) have v1. Then at v1, do that build again. We'll consume the "artifact from the future". However, this can only have an effect when using the local action cache, since the incorrect value of the artifact (the mtime) is only consumed by the action cache. Bazel is already broken in this way (incremental builds don't invalidate directories), so this change doesn't make things worse.
PiperOrigin-RevId: 204210719
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PiperOrigin-RevId: 199126212
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builder.
PiperOrigin-RevId: 189592782
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doesn't save memory in the 32-bit case, but makes it easier for people to see how many SkyKeys we have.
There's some unnecessary interning in tests, but it was easier to copypasta and doesn't harm anything, I think.
PiperOrigin-RevId: 187694309
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Blaze had its own class to avoid GC from varargs array creation for the precondition happy path. Guava now (mostly) implements these, making it unnecessary to maintain our own.
This change was almost entirely automated by search-and-replace. A few BUILD files needed fixing up since I removed an export of preconditions from lib:util, which was all done by add_deps. There was one incorrect usage of Preconditions that was caught by error prone (which checks Guava's version of Preconditions) that I had to change manually.
PiperOrigin-RevId: 175033526
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This change enables alternate evaluation strategies.
Drive-by fix to GraphTester, making TestFunction static because it has
no dependencies on its outer class, and adding #unsetConstantValue.
RELNOTES: None.
PiperOrigin-RevId: 164327055
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We were previously duplicate-posting Postable events posted to the
Skyframe environment.
PiperOrigin-RevId: 162323598
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RELNOTES: None.
PiperOrigin-RevId: 157446717
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wrapper objects: for OwnedArtifacts, which are the most numerous during builds, and for Labels for TransitiveTraversalValues, which are the most numerous during queries.
PiperOrigin-RevId: 154989520
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Useful for manipulating computed value nodes in tests.
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MOS_MIGRATED_REVID=116555900
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TrackingAwaiter if one test fails, and make the Preconditions check in GraphTester a bit more informative.
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MOS_MIGRATED_REVID=116391607
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are created, as opposed to when they are requested from the ParallelEvaluator. That delay can lead to large memory spikes and churn.
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MOS_MIGRATED_REVID=116224565
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Reduces garbage.
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MOS_MIGRATED_REVID=109914243
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for the purpose of change pruning.
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MOS_MIGRATED_REVID=108203369
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Refactors SkyFunction map creation into the tester from tests.
Encapsulates modifiedValues better.
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MOS_MIGRATED_REVID=105982046
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--
MOS_MIGRATED_REVID=105539869
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For use in alternate graph implementations.
Also adds some user-friendly methods to StringValue, a SkyValue
implementation used in tests.
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MOS_MIGRATED_REVID=104899226
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The headers were modified with
`find . -type f -exec 'sed' '-Ei' 's|Copyright 201([45]) Google|Copyright 201\1 The Bazel Authors|' '{}' ';'`
And manual edit for not Google owned copyright. Because of the nature of ijar, I did not modified the header of file owned by Alan Donovan.
The list of authors were extracted from the git log. It is missing older Google contributors that can be added on-demand.
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MOS_MIGRATED_REVID=103938715
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Removing since we don't appear to need it. Replaced SkyFunctionName.computed
with create to simplify changing everything. Moved all constructors using new
to use create for consistency. Chose create over new since it was less changes.
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MOS_MIGRATED_REVID=96914199
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--
MOE_MIGRATED_REVID=85702957
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janakr
shreyax
tomlu
mschaller
ulfjack
lberki
Eric Fellheimer
Michajlo Matijkiw
Damien Martin-Guillerez
Han-Wen Nienhuys