Switch to Pkg mode prompt immediately and load Pkg in the background #54594
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gbaraldi
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May 29, 2024
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I think even without >1 threads this is an improvement in UX responsiveness, so it should be good to go. |
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Reverts "Pkg REPL: cache `pkg_mode` lookup (JuliaLang#54359)" as this function is replaced when Pkg loads by a simpler repl switch so no caching is needed
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IanButterworth
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This is great and makes a significant difference in how it feels to use the repl in master! However, I noticed an issue that I demonstrate in the video. If you press enter before Pkg finishes loading (very possible when you want to start by checking the status of the current environment), nothing happens, and when you press enter again, it errors. rplmodetoofast.mov |
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Thanks for the quick report, I can reproduce this. It's because we need to ignore the return char in the stdin capture during the load so that they don't get entered into the pkg prompt buffer, which doesn't usually happen. Can you confirm that #54674 fixes this for you. Thanks |
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I'll respond in the new PR.
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KristofferC
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…54594) Because Pkg is now a pkgimage it can load slowly on slower machines, which is a bit frustrating in the first repl switch. This makes the repl immediately switch to a dummy prompt that looks like Pkg mode to allow the user to keep typing while Pkg loads. During which the keymap is disabled. It works best if julia has >1 thread, otherwise typing stalls during Pkg load. If Pkg takes longer to load than the user to type the command and press return, then the UX isn't great as it won't do anything. https://github.com/JuliaLang/julia/assets/1694067/1bf17323-441a-4db2-8a3b-4d571eac622f (cherry picked from commit 13635e1)
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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 -->
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Because Pkg is now a pkgimage and can load slowly on slower machines, which is a bit frustrating in the repl.
This makes the repl immediately switch to a dummy prompt that looks like Pkg mode to allow the user to keep typing while Pkg loads. During which the keymap is disabled.
It works best if julia has >1 thread, otherwise typing stalls during Pkg load.
Side note, it might make sense if by default julia in interactive mode started with at least
-t1,1.If Pkg takes longer to load than the user to type the command and press return, then the UX isn't great as it won't do anything.
Opening as a draft as the threading limitation is a bit awkward, and there may be a better approach to achieve the same UX.
Screen.Recording.2024-05-28.at.5.07.44.AM.mov