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Aggressive constprop in trevc! to stabilize triangular eigvec #54635

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@jishnub jishnub commented May 30, 2024

We may use aggressive constprop in trevc! to eliminate branches, which makes the return type of eigvec(::UpperTriangular) concretely inferred.

julia> @inferred eigvecs(UpperTriangular([1 0; 0 1]))
2×2 Matrix{Float32}:
 1.0  -0.0
 0.0   1.0

@jishnub jishnub added linear algebra Linear algebra backport 1.10 Change should be backported to the 1.10 release backport 1.11 Change should be backported to release-1.11 labels May 30, 2024
@jishnub jishnub merged commit ea8b4af into master May 31, 2024
8 of 10 checks passed
@jishnub jishnub deleted the jishnub/trieigvecconstprop branch May 31, 2024 10:09
@KristofferC KristofferC mentioned this pull request Jun 4, 2024
60 tasks
KristofferC pushed a commit that referenced this pull request Jun 7, 2024
We may use aggressive constprop in `trevc!` to eliminate branches, which
makes the return type of `eigvec(::UpperTriangular)` concretely
inferred.
```julia
julia> @inferred eigvecs(UpperTriangular([1 0; 0 1]))
2×2 Matrix{Float32}:
 1.0  -0.0
 0.0   1.0
```

(cherry picked from commit ea8b4af)
KristofferC pushed a commit that referenced this pull request Jun 19, 2024
We may use aggressive constprop in `trevc!` to eliminate branches, which
makes the return type of `eigvec(::UpperTriangular)` concretely
inferred.
```julia
julia> @inferred eigvecs(UpperTriangular([1 0; 0 1]))
2×2 Matrix{Float32}:
 1.0  -0.0
 0.0   1.0
```

(cherry picked from commit ea8b4af)
@KristofferC KristofferC mentioned this pull request Jun 19, 2024
46 tasks
KristofferC added a commit that referenced this pull request Jun 25, 2024
Backported PRs:
- [x] #54361 <!-- [LBT] Upgrade to v5.9.0 -->
- [x] #54474 <!-- Unalias source from dest in copytrito -->
- [x] #54548 <!-- Fixes for bitcast bugs with LLVM 17 / opaque pointers
-->
- [x] #54191 <!-- make `AbstractPipe` public -->
- [x] #53402 <!-- Add `jl_getaffinity` and `jl_setaffinity` -->
- [x] #53356 <!-- Rename at-scriptdir project argument to at-script and
search upwards for Project.toml -->
- [x] #54545 <!-- typeintersect: fix incorrect innervar handling under
circular env -->
- [x] #54586 <!-- Set storage class of julia globals to dllimport on
windows to avoid auto-import weirdness. Forward port of #54572 -->
- [x] #54587 <!-- Accomodate for rectangular matrices in `copytrito!`
-->
- [x] #54617 <!-- CLI: Use `GetModuleHandleExW` to locate libjulia.dll
-->
- [x] #54605 <!-- Allow libquadmath to also fail as it is not available
on all systems -->
- [x] #54634 <!-- Fix trampoline assembly for build on clang 18 on apple
silicon -->
- [x] #54635 <!-- Aggressive constprop in trevc! to stabilize triangular
eigvec -->
- [x] #54645 <!-- ensure we set the right value to gc_first_tid -->
- [x] #54554 <!-- make elsize public -->
- [x] #54648 <!-- Construct LazyString in error paths for tridiag -->
- [x] #54658 <!-- fix missing uuid check on extension when finding the
location of an extension -->
- [x] #54594 <!-- Switch to Pkg mode prompt immediately and load Pkg in
the background -->
- [x] #54669 <!-- Improve error message in inplace transpose -->
- [x] #54671 <!-- Add boundscheck in bindingkey_eq to avoid OOB access
due to data race -->
- [x] #54672 <!-- make: Fix `sed` command for LLVM libraries with no
symbol versioning -->
- [x] #54624 <!-- more precise aliasing checks for SubArray -->
- [x] #54679 <!-- 🤖 [master] Bump the Distributed stdlib from 6a07d98 to
6c7cdb5 -->
- [x] #54604 <!-- Fix tbaa annotation on union selector bytes inside of
structs -->
- [x] #54690 <!-- Fix assertion/crash when optimizing function with dead
basic block -->
- [x] #54704 <!-- LazyString in reinterpretarray error messages -->
- [x] #54718 <!-- fix prepend StackOverflow issue -->
- [x] #54674 <!-- Reimplement dummy pkg prompt as standard prompt -->
- [x] #54737 <!-- LazyString in interpolated error messages involving
types -->
- [x] #54642 <!-- Document GenericMemory and AtomicMemory -->
- [x] #54713 <!-- make: use `readelf` for LLVM symbol version detection
-->
- [x] #54760 <!-- REPL: improve prompt! async function handler -->
- [x] #54606 <!-- fix double-counting and non-deterministic results in
`summarysize` -->
- [x] #54759 <!-- REPL: Fully populate the dummy Pkg prompt -->
- [x] #54702 <!-- lowering: Recognize argument destructuring inside
macro hygiene -->
- [x] #54678 <!-- Don't let setglobal! implicitly create bindings -->
- [x] #54730 <!-- Fix uuidkey of exts in fast path of `require_stdlib`
-->
- [x] #54765 <!-- Handle no-postdominator case in finalizer pass -->
- [x] #54591 <!-- Don't expose guard pages to malloc_stack API consumers
-->
- [x] #54755 <!-- [TOML] remove Dates hack, replace with explicit usage
-->
- [x] #54721 <!-- add try/catch around scheduler to reset sleep state
-->
- [x] #54631 <!-- Avoid concatenating LazyString in setindex! for
triangular matrices -->
- [x] #54322 <!-- effects: add new `@consistent_overlay` macro -->
- [x] #54785
- [x] #54865
- [x] #54815
- [x] #54795
- [x] #54779
- [x] #54837 

Contains multiple commits, manual intervention needed:
- [ ] #52694 <!-- Reinstate similar for AbstractQ for backward
compatibility -->
- [ ] #54649 <!-- Less restrictive copyto! signature for triangular
matrices -->

Non-merged PRs with backport label:
- [ ] #54779 <!-- make recommendation clearer on manifest version
mismatch -->
- [ ] #54739 <!-- finish implementation of upgradable stdlibs -->
- [ ] #54738 <!-- serialization: fix relocatability bug -->
- [ ] #54574 <!-- Make ScopedValues public -->
- [ ] #54457 <!-- Make `String(::Memory)` copy -->
- [ ] #53957 <!-- tweak how filtering is done for what packages should
be precompiled -->
- [ ] #53452 <!-- RFC: allow Tuple{Union{}}, returning Union{} -->
- [ ] #53286 <!-- Raise an error when using `include_dependency` with
non-existent file or directory -->
- [ ] #51479 <!-- prevent code loading from lookin in the versioned
environment when building Julia -->
@KristofferC KristofferC removed the backport 1.11 Change should be backported to release-1.11 label Jun 25, 2024
lazarusA pushed a commit to lazarusA/julia that referenced this pull request Jul 12, 2024
…ang#54635)

We may use aggressive constprop in `trevc!` to eliminate branches, which
makes the return type of `eigvec(::UpperTriangular)` concretely
inferred.
```julia
julia> @inferred eigvecs(UpperTriangular([1 0; 0 1]))
2×2 Matrix{Float32}:
 1.0  -0.0
 0.0   1.0
```
KristofferC added a commit that referenced this pull request Aug 13, 2024
Backported PRs:
- [x] #51351 <!-- Remove boxing in pinv -->
- [x] #52678 <!-- Profile: Improve module docstring -->
- [x] #54201 <!-- Fix generic triangular solves with empty matrices -->
- [x] #54605 <!-- Allow libquadmath to also fail as it is not available
on all systems -->
- [x] #54634 <!-- Fix trampoline assembly for build on clang 18 on apple
silicon -->
- [x] #54635 <!-- Aggressive constprop in trevc! to stabilize triangular
eigvec -->
- [x] #54645 <!-- ensure we set the right value to gc_first_tid -->
- [x] #54671 <!-- Add boundscheck in bindingkey_eq to avoid OOB access
due to data race -->
- [x] #54672 <!-- make: Fix `sed` command for LLVM libraries with no
symbol versioning -->
- [x] #54704 <!-- LazyString in reinterpretarray error messages -->
- [x] #54713 <!-- make: use `readelf` for LLVM symbol version detection
-->
- [x] #54781 <!-- [LinearAlgebra] Improve resilience to unknown
libblastrampoline flags -->
- [x] #54837 <!-- Do not add type tag size to the `alloc_typed` lowering
for GC allocations -->
- [x] #54815 <!-- add sticky task warning to `@task` and `schedule` -->
- [x] #55141 <!-- Update the aarch64 devdocs to reflect the current
state of its support -->
- [x] #55178 <!-- Compat for `Base.@nospecializeinfer` -->
- [x] #55197 <!-- compat notice for a[begin] indexing -->
- [x] #55209 <!-- correction to compat notice for a[begin] -->
- [x] #55203 <!-- document mutable struct const fields -->
- [x] #54769 <!-- add missing compat entry to edit -->
- [x] #54791 <!-- Bump libblastrampoline to v5.10.1 -->
- [x] #55070 <!-- LinearAlgebra: LazyString in error messages for
Diagonal/Bidiagonal -->
- [x] #54624 <!-- more precise aliasing checks for SubArray -->
- [x] #54690 <!-- Fix assertion/crash when optimizing function with dead
basic block -->
- [x] #55084 <!-- Use triple quotes in TOML.print when string contains
newline -->


Need manual backport:
- [ ] #52505 <!-- fix alignment of emit_unbox_store copy -->
- [ ] #53373 <!-- fix sysimage-native-code=no option with pkgimages -->
- [ ] #53984 <!-- Profile: fix heap snapshot is valid char check -->
- [ ] #54276 <!-- Fix solve for complex `Hermitian` with non-vanishing
imaginary part on diagonal -->
- [ ] #54669 <!-- Improve error message in inplace transpose -->
- [ ] #54871 <!-- Make warn missed transformations pass optional -->

Contains multiple commits, manual intervention needed:
- [ ] #52854 <!-- Change to streaming out the heap snapshot data -->
- [ ] #53218 <!-- Fix interpreter_exec.jl test -->
- [ ] #53833 <!-- Profile: make heap snapshots viewable in vscode viewer
-->
- [ ] #54303 <!-- LinearAlgebra: improve type-inference in
Symmetric/Hermitian matmul -->
- [ ] #52694 <!-- Reinstate similar for AbstractQ for backward
compatibility -->
- [ ] #54737 <!-- LazyString in interpolated error messages involving
types -->
- [ ] #54738 <!-- serialization: fix relocatability bug -->
- [ ] #55052 <!-- Fix `(l/r)mul!` with `Diagonal`/`Bidiagonal` -->

Non-merged PRs with backport label:
- [ ] #55220 <!-- `isfile_casesensitive` fixes on Windows -->
- [ ] #55169 <!-- `propertynames` for SVD respects private argument -->
- [ ] #55013 <!-- [docs] change docstring to match code -->
- [ ] #51479 <!-- prevent code loading from lookin in the versioned
environment when building Julia -->
- [ ] #50813 <!-- More doctests for Sockets and capitalization fix -->
- [ ] #50157 <!-- improve docs for `@inbounds` and
`Base.@propagate_inbounds` -->
- [ ] #41244 <!-- Fix shell `cd` error when working dir has been deleted
-->
@KristofferC KristofferC removed the backport 1.10 Change should be backported to the 1.10 release label Aug 13, 2024
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