feat: add Prophet functionality to augurs-js #125
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WalkthroughThe changes introduce several updates across the Changes
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Actionable comments posted: 5
🧹 Outside diff range and nitpick comments (2)
crates/augurs-prophet/src/optimizer.rs (1)
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139-157: Approved: Simplified lifetime parameter in XSerializerThe change from
XSerializer<'a>toXSerializer<'_>simplifies the lifetime management without altering the functionality. This is a good improvement that makes the code more concise.Consider adding a brief comment explaining the purpose of
XSerializer, as it's a crucial part of the serialization process for theDatastruct. For example:/// XSerializer serializes X (a flat slice of f64s) as a sequence of sequences, /// where each inner sequence has a length equal to K (number of regressors). impl serde::Serialize for XSerializer<'_> { // ... (rest of the implementation) }crates/augurs-js/src/prophet.rs (1)
381-396: Validate deserializedOptimizedParamsdataWhen deserializing floating-point values in
OptimizedParams, consider validating the data to ensure they are within expected ranges and constraints. This is crucial for maintaining the accuracy and reliability of the model.
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📒 Files selected for processing (4)
- crates/augurs-js/Cargo.toml (2 hunks)
- crates/augurs-js/src/lib.rs (1 hunks)
- crates/augurs-js/src/prophet.rs (1 hunks)
- crates/augurs-prophet/src/optimizer.rs (2 hunks)
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🔇 Additional comments (4)
crates/augurs-js/Cargo.toml (2)
33-33: LGTM: New dependency added correctly.The addition of the
augurs-prophetdependency with theserdefeature is consistent with the PR objectives and follows the existing pattern for workspace dependencies.
49-51: LGTM: Enhanced WASM optimization, but clarification needed.The addition of
--enable-bulk-memoryand--enable-threadsflags to the wasm-opt configuration is likely to improve performance and enable necessary features for the new Prophet functionality.However, given the PR's emphasis on keeping the library lightweight, could you please clarify:
- The expected impact of these new flags on the WASM blob size?
- Are these flags necessary for all use cases, or only when using the Prophet functionality?
To help assess the impact, let's compare the WASM blob sizes before and after this change:
crates/augurs-prophet/src/optimizer.rs (2)
301-301: Approved: Improved module visibilityThe change from
pub modtopub(crate) modformock_optimizeris a good practice. It restricts the visibility of test-related code to within the current crate, preventing unintended usage outside the crate.
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1-430: Summary: Improvements in code organization and serializationThe changes in this file contribute positively to the integration of Prophet functionality into the augurs JavaScript library. The modifications improve code organization by restricting the visibility of test-related code and simplify the serialization logic. These changes align well with the PR objectives and maintain the flexibility of allowing users to provide their own optimizer, which is crucial for preventing a hard dependency on the Stan WASM module.
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Actionable comments posted: 0
🧹 Outside diff range and nitpick comments (1)
crates/augurs-prophet/src/optimizer.rs (1)
229-230: LGTM: Added refresh field to OptimizeOptsThe addition of the
refreshfield toOptimizeOptsis a valuable enhancement. It provides users with more control over the optimization process by allowing them to specify how frequently convergence statistics should be emitted.The use of
Option<u32>is appropriate, making the field optional. The documentation clearly explains the purpose of the field.Consider adding a brief example in the documentation to illustrate how this field might be used, e.g., "Setting this to Some(100) would emit statistics every 100 iterations."
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📒 Files selected for processing (4)
- crates/augurs-js/Cargo.toml (2 hunks)
- crates/augurs-js/src/lib.rs (1 hunks)
- crates/augurs-js/src/prophet.rs (1 hunks)
- crates/augurs-prophet/src/optimizer.rs (3 hunks)
🚧 Files skipped from review as they are similar to previous changes (2)
- crates/augurs-js/Cargo.toml
- crates/augurs-js/src/lib.rs
🧰 Additional context used
🔇 Additional comments (27)
crates/augurs-prophet/src/optimizer.rs (3)
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139-159: LGTM: Simplified lifetime parameter in XSerializerThe change from
XSerializer<'a>toXSerializer<'_>is a good simplification. It leverages Rust's lifetime elision rules without changing the behavior of the serializer. This change improves code readability while maintaining the correct and efficient serialization logic.
303-303: LGTM: Restricted visibility of mock_optimizer moduleThe change from
pub mod mock_optimizertopub(crate) mod mock_optimizeris a good improvement. It restricts the visibility of the test-related code to within the crate, which is a best practice for maintaining clear boundaries between production and test code. This change enhances the module's encapsulation without affecting its functionality for testing purposes.
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1-458: Overall assessment: Changes align well with PR objectivesThe changes in this file successfully contribute to the introduction of Prophet functionality in the augurs-js library. Key improvements include:
- Simplified lifetime parameter in
XSerializer, enhancing code readability.- Restricted visibility of the
mock_optimizermodule, improving encapsulation.- Added
refreshfield toOptimizeOpts, providing more control over the optimization process.These changes align well with the PR objectives of introducing Prophet functionality and refining the module structure. They enhance the library's capabilities while maintaining good coding practices and encapsulation.
crates/augurs-js/src/prophet.rs (24)
1-2: LGTM!The imports are relevant and necessary for the functionality in this file.
55-57: Consider makingJsOptimizerstruct publicThe
JsOptimizerstruct is currently private. If there is a need to access it from other modules or for testing purposes, consider making it public by addingpubbeforestruct.
59-87: LGTM!The
Optimizertrait implementation forJsOptimizerlooks good. It correctly converts the input parameters to the expected types, calls the JavaScript optimizer function, and converts the output back to the expected Rust types.
89-116: Excellent documentation and example!The documentation for the
Prophetstruct is comprehensive and includes a clear example of how to use it from JavaScript. This will be very helpful for users of the library.
122-152: LGTM!The
Prophetstruct implementation looks good:
- The
newmethod correctly converts theProphetOptionsto the expected types and creates a newProphetinstance.- The
fitmethod converts theTrainingDataand calls thefitmethod on the innerProphetinstance.- The
predictmethod optionally converts thePredictionDataand calls thepredictmethod on the innerProphetinstance, converting the output to the expected type.
157-211: LGTM!The
OptimizeOptsstruct and itsFromimplementation foraugurs_prophet::optimizer::OptimizeOptslook good. All the fields are correctly converted.
213-250: Review the use ofunsafeblocksThese lines use
unsafeto create views of slices:let delta = unsafe { Float64Array::view(¶ms.delta) }; let beta = unsafe { Float64Array::view(¶ms.beta) };Ensure that the lifetime of the data is correctly managed and that there are no potential memory safety issues. If possible, consider using safe abstractions to avoid
unsafecode.
252-273: LGTM!The
Algorithmenum and itsFromimplementation foraugurs_prophet::Algorithmlook good. The variants are correctly converted.
275-296: LGTM!The
TrendIndicatorenum and itsFromimplementation foraugurs_prophet::TrendIndicatorlook good. The variants are correctly converted.
298-391: LGTM!The
Datastruct and itsFromimplementation for&augurs_prophet::optimizer::Datalook good:
- The
sigmasfield is correctly converted from a slice to aFloat64Array.- The other fields are correctly converted using
unsafeto create views of the input slices. The lifetimes are tied to the inputDatato ensure memory safety.
393-459: LGTM!The
Logsstruct and itsemitmethod look good:
- The struct fields capture the different log levels.
- The
emitmethod correctly emits the logs using thetracingmacros at the appropriate log levels.- The
ConvergenceLogparsing logic looks correct and emits structured logs for easier analysis.
461-502: LGTM!The
OptimizeOutput,OptimizedParamsstructs and theFromimplementation foraugurs_prophet::optimizer::OptimizedParamslook good. The fields are correctly converted.
504-546: LGTM!The
TrainingDatastruct and itsTryFromimplementation foraugurs_prophet::TrainingDatalook good:
- The struct fields capture all the necessary data for training.
- The
TryFromimplementation correctly converts the fields and applies them to a newaugurs_prophet::TrainingDatainstance.
548-591: LGTM!The
PredictionDatastruct and itsTryFromimplementation foraugurs_prophet::PredictionDatalook good:
- The struct fields capture all the necessary data for prediction, mirroring the structure of
TrainingData.- The
TryFromimplementation correctly converts the fields and applies them to a newaugurs_prophet::PredictionDatainstance.
593-625: LGTM!The
FeaturePredictionstruct and itsFromimplementation foraugurs_prophet::FeaturePredictionlook good. The fields are correctly converted.
627-708: LGTM!The
Predictionsstruct and itsFromimplementation foraugurs_prophet::Predictionslook good:
- The struct fields capture all the different components of the prediction.
- The
Fromimplementation correctly converts all the fields, including the maps of seasonalities, holidays, and regressors.
710-919: Enhance type safety for the optimizer fieldIn the
ProphetOptionsstruct, theoptimizerfield is defined asjs_sys::Object:#[tsify(type = "Optimizer")] pub optimizer: js_sys::Object,Consider specifying a more precise type or interface to enforce stricter type safety. This will help prevent misuse and improve the developer experience by providing better compile-time checks.
921-943: LGTM!The
GrowthTypeenum and itsFromimplementation foraugurs_prophet::GrowthTypelook good. The variants are correctly converted.
945-980: LGTM!The
SeasonalityOptionenum and itsTryFromimplementation foraugurs_prophet::SeasonalityOptionlook good:
- The enum variants capture the different options for specifying seasonality.
- The
TryFromimplementation correctly converts the variants, usingtry_intoto convert theFouriervariant's argument.
982-1001: LGTM!The
Scalingenum and itsFromimplementation foraugurs_prophet::Scalinglook good. The variants are correctly converted.
1003-1032: LGTM!The
EstimationModeenum and itsFromimplementation foraugurs_prophet::EstimationModelook good:
- The enum variants capture the different options for parameter estimation.
- The
Fromimplementation correctly converts the variants.- The commented out
Mcmcvariant and the note about it not being implemented yet are clear and helpful.
1034-1053: LGTM!The
FeatureModeenum and itsFromimplementation foraugurs_prophet::FeatureModelook good. The variants are correctly converted.
1055-1099: LGTM!The
Holidaystruct and itsTryFromimplementation foraugurs_prophet::Holidaylook good:
- The struct fields capture all the necessary data for defining a holiday.
- The
TryFromimplementation correctly converts the fields and applies them to a newaugurs_prophet::Holidayinstance using the builder pattern.
1101-1136: LGTM!The
ConvergenceLogstruct and itsnewmethod look good:
- The struct fields capture the relevant data for a convergence log line.
- The
newmethod correctly parses a log line into aConvergenceLoginstance, handling missing fields gracefully.
This adds Javascript bindings for the augurs-prophet crate as part of the augurs Javascript library. When creating the Prophet object, an optimizer must be provided by the user. This is to avoid having a hard dependency on the Stan WASM module which increases the size of the augurs WASM blob significantly and won't be needed for users not using Prophet.
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Actionable comments posted: 2
🧹 Outside diff range and nitpick comments (1)
crates/augurs-prophet/src/optimizer.rs (1)
229-230: LGTM: Added 'refresh' field to OptimizeOpts struct.The addition of the
refreshfield to theOptimizeOptsstruct is a good enhancement. It allows users to specify how frequently convergence statistics should be emitted during the optimization process. Some observations:
- The field is optional (
Option<u32>), maintaining backward compatibility.- The comment clearly explains the purpose of the field.
Consider slightly rewording the comment for clarity:
- /// How frequently to emit convergence statistics, in number of iterations. + /// Specifies how frequently (in number of iterations) to emit convergence statistics.This minor change makes the comment more explicit about the unit of measurement for the
refreshvalue.
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📒 Files selected for processing (4)
- crates/augurs-js/Cargo.toml (1 hunks)
- crates/augurs-js/src/lib.rs (1 hunks)
- crates/augurs-js/src/prophet.rs (1 hunks)
- crates/augurs-prophet/src/optimizer.rs (3 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
- crates/augurs-js/src/lib.rs
🧰 Additional context used
🔇 Additional comments (13)
crates/augurs-js/Cargo.toml (2)
32-32: LGTM: Addition of augurs-prophet dependencyThe addition of the
augurs-prophetdependency with theserdefeature is consistent with the PR objectives. This change enables the integration of the Prophet functionality into the augurs JavaScript library.
44-47: LGTM with a question: Update to wasm-opt configurationThe addition of
--enable-bulk-memoryand--enable-threadsflags to the wasm-opt configuration is a good improvement for performance. However, I have a question about the--enable-threadsflag:
- How does enabling threads align with the goal of keeping the library lightweight?
- Does this have any implications for the library's usage or potential increase in the WASM blob size?
Could you please provide more information on the impact of enabling threads in the context of this library?
#!/bin/bash # Description: Check for thread-related code in the codebase # Test: Search for thread-related imports or usage in Rust files rg --type rust -e 'use std::thread' -e 'spawn\(' -e 'parallel'crates/augurs-prophet/src/optimizer.rs (3)
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139-159: LGTM: Simplified lifetime syntax in XSerializer implementation.The change from
impl serde::Serialize for XSerializer<'a>toimpl serde::Serialize for XSerializer<'_>is a good simplification. It uses an elided lifetime ('_) instead of an explicit one ('a). This change:
- Improves code readability without altering functionality.
- Lets the Rust compiler infer the appropriate lifetime.
- Follows modern Rust best practices for lifetime elision.
303-303: LGTM: Restricted visibility of mock_optimizer module.The change from
pub mod mock_optimizertopub(crate) mod mock_optimizeris a good improvement in module visibility control. This change:
- Restricts the visibility of the
mock_optimizermodule to the current crate only.- Aligns with the principle of least privilege, exposing only what's necessary.
- Improves encapsulation of test-related code, preventing unintended use outside the crate.
This modification enhances the overall structure of the codebase by clearly separating test utilities from the public API.
Line range hint
1-458: Overall assessment: Well-implemented changes that improve the codebase.This review covered three main changes:
- Simplified lifetime syntax in XSerializer implementation.
- Addition of the 'refresh' field to OptimizeOpts struct.
- Restricted visibility of the mock_optimizer module.
All changes have been approved, with minor suggestions for improvement where applicable. These modifications enhance the flexibility, readability, and structure of the codebase without introducing any significant issues or concerns.
crates/augurs-js/src/prophet.rs (8)
117-152: Well-implementedProphetstruct and its methodsThe
Prophetstruct along with its methodsnew,fit, andpredictare correctly defined with appropriate error handling and WASM bindings. The integration facilitates seamless usage from JavaScript, adhering to the intended design.
393-459: Efficient log emission inLogs::emitmethodThe
emitmethod in theLogsstruct effectively processes and categorizes log messages based on severity, ensuring that logs are appropriately routed. This assists in diagnostics and maintains clarity in output.
498-502: Correct conversion inFrom<OptimizedParams>implementationThe implementation of
From<OptimizedParams>correctly maps the fields toaugurs_prophet::optimizer::OptimizedParams, ensuring accurate data transfer between structures.
527-546: Robust data conversion inTryFrom<TrainingData>implementationThe
TryFromimplementation forTrainingDatameticulously handles optional fields and propagates errors appropriately. This ensures that any issues with the input data are caught early, promoting data integrity.
861-918: Thorough configuration parsing inTryFrom<ProphetOptions>The
TryFromimplementation forProphetOptionsefficiently converts user-provided options into internal configuration, including proper error handling for each field. This design enhances the flexibility and usability of the API.
275-296: Clear definition ofTrendIndicatorenumThe
TrendIndicatorenum is well-defined, providing clear options for trend types, and theFromimplementation ensures seamless conversion from internal representations.
981-1000: Consistent usage ofScalingenumThe
Scalingenum and its implementation correctly represent the scaling options, following consistent naming conventions and providing straightforward integration with the internal scaling mechanism.
298-391: Safe handling of lifetime inDatastruct conversionThe use of
unsafeblocks in creating views for theFloat64ArrayandInt32Arrayis justified with detailed comments explaining the lifetime management, ensuring memory safety.
| augurs-seasons = { workspace = true } | ||
| console_error_panic_hook = "0.1.7" | ||
| getrandom = { version = "0.2.10", features = ["js"] } | ||
| js-sys = "0.3.64" | ||
| serde.workspace = true | ||
| serde-wasm-bindgen = "0.6.0" | ||
| tracing.workspace = true |
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💡 Codebase verification
Clarification Needed: Usage of tracing Dependency
The tracing workspace dependency does not appear to be actively used in the codebase based on the current search results. Could you please confirm its intended purpose or consider removing it if it's not required?
🔗 Analysis chain
LGTM: Addition of tracing as a workspace dependency
The addition of tracing as a workspace dependency is a good practice for maintaining consistent versions across the workspace. However, this change was not mentioned in the PR objectives or summary.
Could you please clarify the purpose of adding the tracing dependency to this package? Is it related to the Prophet functionality, or is it a separate improvement?
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Length of output: 3693
| /// Struct representing a convergence log line, such as | ||
| /// ` 718 140.457 7.62967e-09 191.549 0.8667 0.8667 809` | ||
| struct ConvergenceLog<'a> { | ||
| iter: usize, | ||
| log_prob: f64, | ||
| dx: f64, | ||
| grad: f64, | ||
| alpha: f64, | ||
| alpha0: f64, | ||
| evals: usize, | ||
| notes: &'a str, | ||
| } | ||
|
|
||
| impl<'a> ConvergenceLog<'a> { | ||
| fn new(s: &'a str) -> Option<Self> { | ||
| let mut split = s.split_whitespace(); | ||
| let iter = split.next()?.parse::<usize>().ok()?; | ||
| let log_prob = split.next()?.parse::<f64>().ok()?; | ||
| let dx = split.next()?.parse::<f64>().ok()?; | ||
| let grad = split.next()?.parse::<f64>().ok()?; | ||
| let alpha = split.next()?.parse::<f64>().ok()?; | ||
| let alpha0 = split.next()?.parse::<f64>().ok()?; | ||
| let evals = split.next()?.parse::<usize>().ok()?; | ||
| let notes = split.next().unwrap_or_default(); | ||
| Some(Self { | ||
| iter, | ||
| log_prob, | ||
| dx, | ||
| grad, | ||
| alpha, | ||
| alpha0, | ||
| evals, | ||
| notes, | ||
| }) | ||
| } | ||
| } |
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🛠️ Refactor suggestion
Enhance error handling in ConvergenceLog::new method
The ConvergenceLog::new function returns None silently if parsing fails due to unexpected input formats. Consider adding detailed error messages or logging to aid in debugging, which will make it easier to trace issues if the optimizer outputs malformed log lines.
This adds Javascript bindings for the augurs-prophet crate as part of the augurs Javascript library.
When creating the Prophet object, an optimizer must be provided by the user. This is to avoid having a hard dependency on the Stan WASM module which increases the size of the augurs WASM blob significantly and won't be needed for users not using Prophet.
Summary by CodeRabbit
New Features
Improvements
Bug Fixes