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This seems to have been turned on in ~November/December 2022, and is
wreaking havoc on my system usability as it keeps killing my X session
as soon as any kind of load happens on the system.
This can be as little as accidentally playing two YouTube videos (as
each YouTube tab can take 3-5GiB of RAM), or trying to process a
dataset locally.
I'm not sure if this is the culprit, but it sure seems like it.
Change-Id: Id742b4506262cc362c9fd3f2575aea23e5c092a7
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7858
Tested-by: BuildkiteCI
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: tazjin <tazjin@tvl.su>
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This is currently hosted by the company, and I'm assigning my
copyright to the company, which also runs an ad placement on the page.
Note that the NixOS module for hosting it has not been moved yet.
Change-Id: Iba9e1cab9370faa79e43c3344fbfbbbabead50b3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7857
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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No situation should be allowed in which a path is inserted into
known_paths with different types twice, which we previously enforced
only for some path types.
Change-Id: I8cb47d4b29c0aab3c58694f8b590e131deba7043
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7843
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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Instead of having a representation of suspended native thunks that
involves constructing a fake code chunk, make these thunks a
first-class part of the internal thunk representation.
The previous code was not that simple to understand, and actually
contained a critical bug which could lead to Tvix crashes. This
version fixes the particular instance of that bug, but instead
uncovers another (b/238) which can still lead to Tvix crashes.
Fixes: b/237.
Change-Id: I771d03864084d63953bdbb518fec94487481f839
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7750
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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This is unnecessary, Rc already provides all the boxing we need.
Change-Id: I08cf0939c48da43f04c847526c7e5dae5336d528
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7749
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Reviewed-by: sterni <sternenseemann@systemli.org>
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This is a somewhat terrifying hack that enables us to support
`builtins.builtins`, by running a "fake compilation" inside of a
suspended native thunk that can resolve the weak pointer to the
globals.
With this implementation, the thunk at `builtins.builtins` actually
resolves to the "real" `builtins` (verified with a new test).
This is kind of ugly, and it's something users shouldn't use, but
bubbling a warning out of this is difficult at the moment due to a
little bit of trickery with how the spans in suspended native thunks
work (they don't) (see b/237, b/238)
Change-Id: I67d0e93246dd5b279c960aeda00402031aa12af3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7748
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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Replacement strings are some weird internal feature of Nix that is
required for calculating derivation hashes. We need to track these
like other paths, as they need to be re-used on builds with
dependencies on values from previous builds.
Change-Id: Ie955b3fb5ae3685cfadfbe4d06ea6b5e219590c7
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7828
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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When adding things to a C++ Nix store, ensure that the path is tracked
in the tracker.
Since the mechanism for propagating the tracker instance isn't
finalised yet, I've opted to take an Rc<RefCell> parameter for it. How
exactly that ends up there is going to become clear in the next
commits, but for now it's just instantiated in main with
Default::default.
Change-Id: I90f0b44f2d4f292dedc98ff1aa39041d279b61fd
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7833
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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This gets very complex very quickly otherwise, as all the construction
paths for a reference scanner and all the access patterns for the
KnownPaths structure are not yet fully understood.
Change-Id: Ibadf1f18b476695f3c286fc6896ae557760edf63
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7827
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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Instead of going through Vec/BTreeMap for generating our internal
types, use the proptest strategies from imbl.
The one thing I couldn't figure out in the previous implementation is
where the ranges/sizes of generated collections came from. The
strategies in proptest use different types (Range, with an unknown
default value, and SizeRange with 0..100). I've opted to specify
0..100 directly, but we can probably make it configurable.
Change-Id: I749bc4c703fe424099240cab822b1642e5216361
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7791
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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This module implements types used to track the set of known paths in
the context of an evaluation.
These are used to determine the build references of a derivation.
Change-Id: I81e15ae33632784e699128916485751613b231a3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7816
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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Use proper errors, instead of anyhow.
Change-Id: I6db14c72a6319b389b0136aac7b84f50a30fb366
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7847
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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These need to be sorted anyways, so let's use the correct data structure for it.
Change-Id: I009c9989d7647dc1df716170f3680c981db6e4b2
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7846
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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Different to the go-nix implementation, we don't have a custom "writing
mode" where output paths are omitted from output, but we simply run the
serialization with these fields unpopulated (during construction).
This means, there's no need for a custom writing mode that strips
outputs, so we can drop the comments.
Change-Id: Ic0aafd4e34e0294603490cfce2b1aef4085ff34b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7845
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: flokli <flokli@flokli.de>
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This variant is required for external builtins (which in our case
includes `derivation`) to thread through reasonable error messages.
This has some potential for improvement, but it's an improvement over
the status quo of panicking in the external builtins when no
appropriate error is available.
Change-Id: I7e4bdb0a156c7717092dde30aa4785192182dc66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7841
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
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