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feat: simplify multiplications by 0 or 1 in ACIR gen #3924

Merged
merged 1 commit into from
Jan 2, 2024
Merged

feat: simplify multiplications by 0 or 1 in ACIR gen #3924

merged 1 commit into from
Jan 2, 2024

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TomAFrench
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Description

Problem*

Resolves

Summary*

This PR avoids churn on AcirVars when we perform trivial multiplications. This avoids some situations where we were codegenning expressions with zero-coefficient terms.

Additional Context

Documentation*

Check one:

  • No documentation needed.
  • Documentation included in this PR.
  • [Exceptional Case] Documentation to be submitted in a separate PR.

PR Checklist*

  • I have tested the changes locally.
  • I have formatted the changes with Prettier and/or cargo fmt on default settings.

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github-actions bot commented Jan 2, 2024

Changes to circuit sizes

Generated at commit: 743067f28e0ca21ea77404c7a571655e52d3c3e4, compared to commit: aabe5c15bc9d509e6953e689a5f479b26b972384

🧾 Summary (10% most significant diffs)

Program ACIR opcodes (+/-) % Circuit size (+/-) %
slice_dynamic_index -58 ✅ -2.19% -58 ✅ -0.51%
slices -85 ✅ -10.72% -85 ✅ -1.76%
Full diff report 👇
Program ACIR opcodes (+/-) % Circuit size (+/-) %
conditional_1 6,916 (-9) -0.13% 38,799 (0) 0.00%
nested_slice_dynamic 1,704 (-6) -0.35% 12,552 (-6) -0.05%
nested_array_dynamic 4,450 (-18) -0.40% 13,845 (-18) -0.13%
slice_struct_field 34,046 (-224) -0.65% 106,060 (-224) -0.21%
6_array 561 (-12) -2.09% 4,264 (-20) -0.47%
slice_dynamic_index 2,592 (-58) -2.19% 11,215 (-58) -0.51%
slices 708 (-85) -10.72% 4,744 (-85) -1.76%

@TomAFrench TomAFrench requested a review from guipublic January 2, 2024 13:23
@jfecher jfecher added this pull request to the merge queue Jan 2, 2024
Merged via the queue into master with commit e58844d Jan 2, 2024
30 checks passed
@jfecher jfecher deleted the tf/zero-mul-optimization branch January 2, 2024 14:43
@kevaundray kevaundray mentioned this pull request Jan 2, 2024
Merged
TomAFrench added a commit that referenced this pull request Jan 3, 2024
@TomAFrench
Merge branch 'master' into tf/function-exports
7d782f2 
* master: (48 commits)
  chore: fix broken links (#3935)
  chore: updated ACIR documentation and other docs (#3932)
  chore: rename "syntax" chapter in docs to "concepts" (#3934)
  fix: checks for cyclic dependencies (#3699)
  fix(debugger): crash when stepping through locations spanning multiple lines (#3920)
  chore: abstract away subtractions from `OR` implementation (#3923)
  chore: fix `should_fail_mismatch` test to use correct pedersen return type (#3927)
  fix: prevent `Instruction::Constrain`s for non-primitive types (#3916)
  feat: remove unnecessary predicate from `Lt` instruction (#3922)
  feat: simplify multiplications by `0` or `1` in ACIR gen (#3924)
  chore: bump dependency versions (#3925)
  chore: Update CONTRIBUTING.md (#3921)
  chore: Optimize goto_definitions for workspace case (#3914)
  chore: Update index.md (#3911)
  chore: Update index.md (#3910)
  chore: Update how-to-recursion.md (#3912)
  feat: Resolve oracle calls via JSON-RPC (#3902)
  chore: Update explainer-recursion.md (#3906)
  chore: remove unnecessary dependency (#3901)
  chore: improve package.json metadata (#3900)
  ...
TomAFrench added a commit that referenced this pull request Jan 4, 2024
@TomAFrench
Merge branch 'master' into tf/ne-method
3ae7cfa 
* master: (30 commits)
  fix: handle multiple imports in the same file (#3903)
  feat: add foreign call support to `noir_codegen` functions (#3933)
  feat: Implement Operator Overloading (#3931)
  chore: fix casing on `InternalError::Unexpected` (#3937)
  chore: add test case for brillig array equality assertion (#3936)
  feat(lsp): goto struct member inside Impl method (#3918)
  chore: fix broken links (#3935)
  chore: updated ACIR documentation and other docs (#3932)
  chore: rename "syntax" chapter in docs to "concepts" (#3934)
  fix: checks for cyclic dependencies (#3699)
  fix(debugger): crash when stepping through locations spanning multiple lines (#3920)
  chore: abstract away subtractions from `OR` implementation (#3923)
  chore: fix `should_fail_mismatch` test to use correct pedersen return type (#3927)
  fix: prevent `Instruction::Constrain`s for non-primitive types (#3916)
  feat: remove unnecessary predicate from `Lt` instruction (#3922)
  feat: simplify multiplications by `0` or `1` in ACIR gen (#3924)
  chore: bump dependency versions (#3925)
  chore: Update CONTRIBUTING.md (#3921)
  chore: Optimize goto_definitions for workspace case (#3914)
  chore: Update index.md (#3911)
  ...
github-merge-queue bot pushed a commit that referenced this pull request Jan 22, 2024
@kevaundray @TomAFrench
chore: Release Noir(0.23.0) (#3862)
5be9f9d 
🤖 I have created a release *beep* *boop*
---


<details><summary>0.23.0</summary>

## [0.23.0](v0.22.0...v0.23.0)
(2024-01-22)


### ⚠ BREAKING CHANGES

* Ban nested slices
([#4018](#4018))
* Breaking changes from aztec-packages
([#3955](#3955))
* Rename Arithmetic opcode to AssertZero
([#3840](#3840))
* remove circuit methods from noir_wasm
([#3869](#3869))

### Features

* Add `assert_max_bit_size` method to `Field`
([#4016](#4016))
([bc9a44f](bc9a44f))
* Add `noir-compiler` checks to `aztec_macros`
([#4031](#4031))
([420a5c7](420a5c7))
* Add a `--force` flag to force a full recompile
([#4054](#4054))
([27a8e68](27a8e68))
* Add dependency resolver for `noir_wasm` and implement `FileManager`
for consistency with native interface
([#3891](#3891))
([c29c7d7](c29c7d7))
* Add foreign call support to `noir_codegen` functions
([#3933](#3933))
([e5e52a8](e5e52a8))
* Add MVP `nargo export` command
([#3870](#3870))
([fbb51ed](fbb51ed))
* Add support for codegenning multiple functions which use the same
structs in their interface
([#3868](#3868))
([1dcfcc5](1dcfcc5))
* Added efficient field comparisons for bn254
([#4042](#4042))
([1f9cad0](1f9cad0))
* Assert maximum bit size when creating a U128 from an integer
([#4024](#4024))
([8f9c7e4](8f9c7e4))
* Avoid unnecessary range checks by inspecting instructions for casts
([#4039](#4039))
([378c18e](378c18e))
* Breaking changes from aztec-packages
([#3955](#3955))
([5be049e](5be049e))
* Bubble up `Instruction::Constrain`s to be applied as early as
possible. ([#4065](#4065))
([66f5cdd](66f5cdd))
* Cached LSP parsing
([#4083](#4083))
([b4f724e](b4f724e))
* Comparison for signed integers
([#3873](#3873))
([bcbd49b](bcbd49b))
* Decompose `Instruction::Cast` to have an explicit truncation
instruction ([#3946](#3946))
([35f18ef](35f18ef))
* Decompose `Instruction::Constrain` into multiple more basic
constraints ([#3892](#3892))
([51cf9d3](51cf9d3))
* Docker testing flow
([#3895](#3895))
([179c90d](179c90d))
* Extract parsing to its own pass and do it in parallel
([#4063](#4063))
([569cbbc](569cbbc))
* Implement `Eq` trait on curve points
([#3944](#3944))
([abf751a](abf751a))
* Implement DAP protocol in Nargo
([#3627](#3627))
([13834d4](13834d4))
* Implement generic traits
([#4000](#4000))
([916fd15](916fd15))
* Implement Operator Overloading
([#3931](#3931))
([4b16090](4b16090))
* **lsp:** Cache definitions for goto requests
([#3930](#3930))
([4a2140f](4a2140f))
* **lsp:** Goto global
([#4043](#4043))
([15237b3](15237b3))
* **lsp:** Goto struct member inside Impl method
([#3918](#3918))
([99c2c5a](99c2c5a))
* **lsp:** Goto trait from trait impl
([#3956](#3956))
([eb566e2](eb566e2))
* **lsp:** Goto trait method declaration
([#3991](#3991))
([eb79166](eb79166))
* **lsp:** Goto type alias
([#4061](#4061))
([dc83385](dc83385))
* **lsp:** Goto type definition
([#4029](#4029))
([8bb4ddf](8bb4ddf))
* **lsp:** Re-add code lens feature with improved performance
([#3829](#3829))
([8f5cd6c](8f5cd6c))
* Optimize array ops for arrays of structs
([#4027](#4027))
([c9ec0d8](c9ec0d8))
* Optimize logic gate ACIR-gen
([#3897](#3897))
([926460a](926460a))
* Prefer `AcirContext`-native methods for performing logic operations
([#3898](#3898))
([0ec39b8](0ec39b8))
* Remove range constraints from witnesses which are constrained to be
constants ([#3928](#3928))
([afe9c7a](afe9c7a))
* Remove truncation from brillig casts
([#3997](#3997))
([857ff97](857ff97))
* Remove truncations which can be seen to be noops using type
information ([#3953](#3953))
([cc3c2c2](cc3c2c2))
* Remove unnecessary predicate from `Lt` instruction
([#3922](#3922))
([a63433f](a63433f))
* Simplify chains of casts to be all in terms of the original `ValueId`
([#3984](#3984))
([2384d3e](2384d3e))
* Simplify multiplications by `0` or `1` in ACIR gen
([#3924](#3924))
([e58844d](e58844d))
* Support for u128
([#3913](#3913))
([b4911dc](b4911dc))
* Support printing more types
([#4071](#4071))
([f5c4632](f5c4632))
* Sync `aztec-packages`
([#4011](#4011))
([fee2452](fee2452))
* Sync commits from `aztec-packages`
([#4068](#4068))
([7a8f3a3](7a8f3a3))
* Use singleton `WasmBlackBoxFunctionSolver` in `noir_js`
([#3966](#3966))
([10b28de](10b28de))


### Bug Fixes

* Acir gen doesn't panic on unsupported BB function
([#3866](#3866))
([34fd978](34fd978))
* Allow abi encoding arrays of structs from JS
([#3867](#3867))
([9b713f8](9b713f8))
* Allow abi encoding tuples from JS
([#3894](#3894))
([f7fa181](f7fa181))
* Allow ast when macro errors
([#4005](#4005))
([efccec3](efccec3))
* Allow lsp to run inside of a docker container
([#3876](#3876))
([2529977](2529977))
* Bit-shifts for signed integers
([#3890](#3890))
([6ddd98a](6ddd98a))
* Checks for cyclic dependencies
([#3699](#3699))
([642011a](642011a))
* **debugger:** Crash when stepping through locations spanning multiple
lines ([#3920](#3920))
([223e860](223e860))
* Don't fail if no tests and the user didn't provide a pattern
([#3864](#3864))
([decbd0f](decbd0f))
* Fix advisory issue in cargo-deny
([#4077](#4077))
([19baea0](19baea0))
* Fixing dark mode background on the CTA button
([#3882](#3882))
([57eae42](57eae42))
* Fixup exports from `noir_wasm`
([#4022](#4022))
([358cdd2](358cdd2))
* Handle multiple imports in the same file
([#3903](#3903))
([219423e](219423e))
* Hoist constraints on inputs to top of program
([#4076](#4076))
([447aa34](447aa34))
* Implement missing codegen for `BlackBoxFunc::EcdsaSecp256r1` in
brillig ([#3943](#3943))
([2c5eceb](2c5eceb))
* Improve `nargo test` output
([#3973](#3973))
([3ab5ff4](3ab5ff4))
* Make `constant_to_radix` emit a slice instead of an array
([#4049](#4049))
([5cdb1d0](5cdb1d0))
* Operator overloading & static trait method references resolving to
generic impls ([#3967](#3967))
([f1de8fa](f1de8fa))
* Preserve brillig entrypoint functions without arguments
([#3951](#3951))
([1111465](1111465))
* Prevent `Instruction::Constrain`s for non-primitive types
([#3916](#3916))
([467948f](467948f))
* Remove panic for adding an invalid crate name in wasm compiler
([#3977](#3977))
([7a1baa5](7a1baa5))
* Return error rather instead of panicking on invalid circuit
([#3976](#3976))
([67201bf](67201bf))
* Search all levels of struct nesting before codegenning primitive types
([#3970](#3970))
([13ae014](13ae014))
* Update generics docs to mention we have traits now
([#3980](#3980))
([c2acdf1](c2acdf1))


### Miscellaneous Chores

* Ban nested slices
([#4018](#4018))
([f8a1fb7](f8a1fb7))
* Remove circuit methods from noir_wasm
([#3869](#3869))
([12d884e](12d884e))
* Rename Arithmetic opcode to AssertZero
([#3840](#3840))
([836f171](836f171))
</details>

<details><summary>0.39.0</summary>

## [0.39.0](v0.38.0...v0.39.0)
(2024-01-22)


### ⚠ BREAKING CHANGES

* Breaking changes from aztec-packages
([#3955](#3955))
* Rename Arithmetic opcode to AssertZero
([#3840](#3840))
* Remove unused methods on ACIR opcodes
([#3841](#3841))
* Remove partial backend feature
([#3805](#3805))

### Features

* Aztec-packages
([#3754](#3754))
([c043265](c043265))
* Breaking changes from aztec-packages
([#3955](#3955))
([5be049e](5be049e))
* Remove range constraints from witnesses which are constrained to be
constants ([#3928](#3928))
([afe9c7a](afe9c7a))
* Speed up transformation of debug messages
([#3815](#3815))
([2a8af1e](2a8af1e))
* Sync `aztec-packages`
([#4011](#4011))
([fee2452](fee2452))
* Sync commits from `aztec-packages`
([#4068](#4068))
([7a8f3a3](7a8f3a3))


### Bug Fixes

* Deserialize odd length hex literals
([#3747](#3747))
([4000fb2](4000fb2))
* Return error rather instead of panicking on invalid circuit
([#3976](#3976))
([67201bf](67201bf))


### Miscellaneous Chores

* Remove partial backend feature
([#3805](#3805))
([0383100](0383100))
* Remove unused methods on ACIR opcodes
([#3841](#3841))
([9e5d0e8](9e5d0e8))
* Rename Arithmetic opcode to AssertZero
([#3840](#3840))
([836f171](836f171))
</details>

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

---------

Co-authored-by: TomAFrench <tom@tomfren.ch>
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@jfecher jfecher jfecher approved these changes

@guipublic guipublic Awaiting requested review from guipublic

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@TomAFrench @jfecher