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deeplearning4j/deeplearning4j-nn/src/main/java/org/deeplearning4j/nn/layers/normalization/BatchNormalization.java

Summary

Maintainability
F
5 days
Test Coverage

Method preOutput has a Cognitive Complexity of 70 (exceeds 5 allowed). Consider refactoring.
Open

    public INDArray preOutput(INDArray x, TrainingMode training, LayerWorkspaceMgr workspaceMgr) {
        int dim = 1;
        INDArray originalInput = x;
        boolean rnnInput = false;
        //RNN input
Severity: Minor
Found in deeplearning4j/deeplearning4j-nn/src/main/java/org/deeplearning4j/nn/layers/normalization/BatchNormalization.java - About 1 day to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method backpropGradient has a Cognitive Complexity of 66 (exceeds 5 allowed). Consider refactoring.
Open

    @Override
    public Pair<Gradient, INDArray> backpropGradient(INDArray epsilon, LayerWorkspaceMgr workspaceMgr) {
        assertInputSet(true);
        INDArray nextEpsilon;
        val shape = getShape(epsilon);
Severity: Minor
Found in deeplearning4j/deeplearning4j-nn/src/main/java/org/deeplearning4j/nn/layers/normalization/BatchNormalization.java - About 1 day to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method backpropGradient has 189 lines of code (exceeds 25 allowed). Consider refactoring.
Open

    @Override
    public Pair<Gradient, INDArray> backpropGradient(INDArray epsilon, LayerWorkspaceMgr workspaceMgr) {
        assertInputSet(true);
        INDArray nextEpsilon;
        val shape = getShape(epsilon);
Severity: Major
Found in deeplearning4j/deeplearning4j-nn/src/main/java/org/deeplearning4j/nn/layers/normalization/BatchNormalization.java - About 7 hrs to fix

    File BatchNormalization.java has 457 lines of code (exceeds 250 allowed). Consider refactoring.
    Open

    /*
 *  ******************************************************************************
 *  *
 *  *
 *  * This program and the accompanying materials are made available under the
    Severity: Minor
    Found in deeplearning4j/deeplearning4j-nn/src/main/java/org/deeplearning4j/nn/layers/normalization/BatchNormalization.java - About 7 hrs to fix

      Method preOutput has 147 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

          public INDArray preOutput(INDArray x, TrainingMode training, LayerWorkspaceMgr workspaceMgr) {
        int dim = 1;
        INDArray originalInput = x;
        boolean rnnInput = false;
        //RNN input
      Severity: Major
      Found in deeplearning4j/deeplearning4j-nn/src/main/java/org/deeplearning4j/nn/layers/normalization/BatchNormalization.java - About 5 hrs to fix

        Method getShape has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
        Open

            public long[] getShape(INDArray x) {
        if (x.rank() == 2 )
            return new long[] {1, x.size(1)};
        if(x.rank() == 4){
            int chIdx = layerConf().getCnn2DFormat() == CNN2DFormat.NCHW ? 1 : 3;
        Severity: Minor
        Found in deeplearning4j/deeplearning4j-nn/src/main/java/org/deeplearning4j/nn/layers/normalization/BatchNormalization.java - About 45 mins to fix

        Cognitive Complexity

        Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

        A method's cognitive complexity is based on a few simple rules:

        • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
        • Code is considered more complex for each "break in the linear flow of the code"
        • Code is considered more complex when "flow breaking structures are nested"

        Further reading

        Identical blocks of code found in 2 locations. Consider refactoring.
        Open

                    if (layerConf.isLockGammaBeta()) {
                //Special case: gamma/beta have fixed values for all outputs
                //Use mul/addi(Number) here to avoid allocating temp arrays of all same value
                double g = layerConf.getGamma();
                double b = layerConf.getBeta();
        Severity: Minor
        Found in deeplearning4j/deeplearning4j-nn/src/main/java/org/deeplearning4j/nn/layers/normalization/BatchNormalization.java and 1 other location - About 55 mins to fix
        deeplearning4j/deeplearning4j-nn/src/main/java/org/deeplearning4j/nn/layers/normalization/BatchNormalization.java on lines 551..562

        Duplicated Code

        Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

        Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

        When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

        Tuning

        This issue has a mass of 66.

        We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

        The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

        If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

        See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

        Refactorings

        Further Reading

        Identical blocks of code found in 2 locations. Consider refactoring.
        Open

                    if (layerConf.isLockGammaBeta()) {
                //Special case: gamma/beta have fixed values for all outputs
                //Use mul/addi(Number) here to avoid allocating temp arrays of all same value
                double g = layerConf.getGamma();
                double b = layerConf.getBeta();
        Severity: Minor
        Found in deeplearning4j/deeplearning4j-nn/src/main/java/org/deeplearning4j/nn/layers/normalization/BatchNormalization.java and 1 other location - About 55 mins to fix
        deeplearning4j/deeplearning4j-nn/src/main/java/org/deeplearning4j/nn/layers/normalization/BatchNormalization.java on lines 528..539

        Duplicated Code

        Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

        Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

        When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

        Tuning

        This issue has a mass of 66.

        We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

        The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

        If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

        See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

        Refactorings

        Further Reading

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