scirs2_neural::memory_efficient

Struct InPlaceOperations

Source 
pub struct InPlaceOperations;
Expand description

In-place operations manager for minimizing memory allocations

Implementations§

Source§

impl InPlaceOperations

Source

pub fn relu_inplace<F: Float + Debug>(array: &mut ArrayD<F>)

In-place ReLU activation

Examples found in repository?
examples/memory_efficient_example.rs (line 157)
127fn demo_in_place_operations() -> Result<()> {
128    println!("\n⚡ In-place Operations Demo");
129    println!("--------------------------");
130
131    // Create test arrays
132    let mut relu_test = Array2::from_shape_vec(
133        (3, 4),
134        vec![
135            -1.0, 2.0, -3.0, 4.0, 0.5, -0.5, 1.5, -2.5, 3.0, -1.0, 0.0, 2.0,
136        ],
137    )?
138    .into_dyn();
139
140    let mut sigmoid_test =
141        Array2::from_shape_vec((2, 3), vec![-2.0, 0.0, 2.0, -1.0, 1.0, 3.0])?.into_dyn();
142
143    let mut add_test = Array2::from_elem((2, 2), 1.0).into_dyn();
144    let add_source = Array2::from_elem((2, 2), 0.5).into_dyn();
145
146    let mut norm_test =
147        Array2::from_shape_vec((2, 3), vec![1.0, 4.0, 7.0, 2.0, 5.0, 8.0])?.into_dyn();
148
149    println!("Before operations:");
150    println!("ReLU input (should clip negatives): {:?}", relu_test);
151    println!("Sigmoid input: {:?}", sigmoid_test);
152    println!("Addition target: {:?}", add_test);
153    println!("Normalization input: {:?}", norm_test);
154
155    // Apply in-place operations
156    println!("\nApplying in-place operations...");
157    InPlaceOperations::relu_inplace(&mut relu_test);
158    InPlaceOperations::sigmoid_inplace(&mut sigmoid_test);
159    InPlaceOperations::add_inplace(&mut add_test, &add_source)?;
160    InPlaceOperations::normalize_inplace(&mut norm_test)?;
161
162    println!("\nAfter operations:");
163    println!("ReLU result: {:?}", relu_test);
164    println!("Sigmoid result: {:?}", sigmoid_test);
165    println!("Addition result: {:?}", add_test);
166    println!("Normalized result: {:?}", norm_test);
167
168    // Test scaling
169    let mut scale_test = Array2::from_elem((2, 2), 2.0).into_dyn();
170    println!("\nScaling test - before: {:?}", scale_test);
171    InPlaceOperations::scale_inplace(&mut scale_test, 3.0);
172    println!("Scaling test - after: {:?}", scale_test);
173
174    Ok(())
175}
Source

pub fn sigmoid_inplace<F: Float + Debug>(array: &mut ArrayD<F>)

In-place sigmoid activation

Examples found in repository?
examples/memory_efficient_example.rs (line 158)
127fn demo_in_place_operations() -> Result<()> {
128    println!("\n⚡ In-place Operations Demo");
129    println!("--------------------------");
130
131    // Create test arrays
132    let mut relu_test = Array2::from_shape_vec(
133        (3, 4),
134        vec![
135            -1.0, 2.0, -3.0, 4.0, 0.5, -0.5, 1.5, -2.5, 3.0, -1.0, 0.0, 2.0,
136        ],
137    )?
138    .into_dyn();
139
140    let mut sigmoid_test =
141        Array2::from_shape_vec((2, 3), vec![-2.0, 0.0, 2.0, -1.0, 1.0, 3.0])?.into_dyn();
142
143    let mut add_test = Array2::from_elem((2, 2), 1.0).into_dyn();
144    let add_source = Array2::from_elem((2, 2), 0.5).into_dyn();
145
146    let mut norm_test =
147        Array2::from_shape_vec((2, 3), vec![1.0, 4.0, 7.0, 2.0, 5.0, 8.0])?.into_dyn();
148
149    println!("Before operations:");
150    println!("ReLU input (should clip negatives): {:?}", relu_test);
151    println!("Sigmoid input: {:?}", sigmoid_test);
152    println!("Addition target: {:?}", add_test);
153    println!("Normalization input: {:?}", norm_test);
154
155    // Apply in-place operations
156    println!("\nApplying in-place operations...");
157    InPlaceOperations::relu_inplace(&mut relu_test);
158    InPlaceOperations::sigmoid_inplace(&mut sigmoid_test);
159    InPlaceOperations::add_inplace(&mut add_test, &add_source)?;
160    InPlaceOperations::normalize_inplace(&mut norm_test)?;
161
162    println!("\nAfter operations:");
163    println!("ReLU result: {:?}", relu_test);
164    println!("Sigmoid result: {:?}", sigmoid_test);
165    println!("Addition result: {:?}", add_test);
166    println!("Normalized result: {:?}", norm_test);
167
168    // Test scaling
169    let mut scale_test = Array2::from_elem((2, 2), 2.0).into_dyn();
170    println!("\nScaling test - before: {:?}", scale_test);
171    InPlaceOperations::scale_inplace(&mut scale_test, 3.0);
172    println!("Scaling test - after: {:?}", scale_test);
173
174    Ok(())
175}
Source

pub fn tanh_inplace<F: Float + Debug>(array: &mut ArrayD<F>)

In-place tanh activation

Source

pub fn add_inplace<F: Float + Debug>( target: &mut ArrayD<F>, source: &ArrayD<F>, ) -> Result<()>

In-place addition

Examples found in repository?
examples/memory_efficient_example.rs (line 159)
127fn demo_in_place_operations() -> Result<()> {
128    println!("\n⚡ In-place Operations Demo");
129    println!("--------------------------");
130
131    // Create test arrays
132    let mut relu_test = Array2::from_shape_vec(
133        (3, 4),
134        vec![
135            -1.0, 2.0, -3.0, 4.0, 0.5, -0.5, 1.5, -2.5, 3.0, -1.0, 0.0, 2.0,
136        ],
137    )?
138    .into_dyn();
139
140    let mut sigmoid_test =
141        Array2::from_shape_vec((2, 3), vec![-2.0, 0.0, 2.0, -1.0, 1.0, 3.0])?.into_dyn();
142
143    let mut add_test = Array2::from_elem((2, 2), 1.0).into_dyn();
144    let add_source = Array2::from_elem((2, 2), 0.5).into_dyn();
145
146    let mut norm_test =
147        Array2::from_shape_vec((2, 3), vec![1.0, 4.0, 7.0, 2.0, 5.0, 8.0])?.into_dyn();
148
149    println!("Before operations:");
150    println!("ReLU input (should clip negatives): {:?}", relu_test);
151    println!("Sigmoid input: {:?}", sigmoid_test);
152    println!("Addition target: {:?}", add_test);
153    println!("Normalization input: {:?}", norm_test);
154
155    // Apply in-place operations
156    println!("\nApplying in-place operations...");
157    InPlaceOperations::relu_inplace(&mut relu_test);
158    InPlaceOperations::sigmoid_inplace(&mut sigmoid_test);
159    InPlaceOperations::add_inplace(&mut add_test, &add_source)?;
160    InPlaceOperations::normalize_inplace(&mut norm_test)?;
161
162    println!("\nAfter operations:");
163    println!("ReLU result: {:?}", relu_test);
164    println!("Sigmoid result: {:?}", sigmoid_test);
165    println!("Addition result: {:?}", add_test);
166    println!("Normalized result: {:?}", norm_test);
167
168    // Test scaling
169    let mut scale_test = Array2::from_elem((2, 2), 2.0).into_dyn();
170    println!("\nScaling test - before: {:?}", scale_test);
171    InPlaceOperations::scale_inplace(&mut scale_test, 3.0);
172    println!("Scaling test - after: {:?}", scale_test);
173
174    Ok(())
175}
Source

pub fn scale_inplace<F: Float + Debug>(array: &mut ArrayD<F>, factor: F)

In-place scalar multiplication

Examples found in repository?
examples/memory_efficient_example.rs (line 171)
127fn demo_in_place_operations() -> Result<()> {
128    println!("\n⚡ In-place Operations Demo");
129    println!("--------------------------");
130
131    // Create test arrays
132    let mut relu_test = Array2::from_shape_vec(
133        (3, 4),
134        vec![
135            -1.0, 2.0, -3.0, 4.0, 0.5, -0.5, 1.5, -2.5, 3.0, -1.0, 0.0, 2.0,
136        ],
137    )?
138    .into_dyn();
139
140    let mut sigmoid_test =
141        Array2::from_shape_vec((2, 3), vec![-2.0, 0.0, 2.0, -1.0, 1.0, 3.0])?.into_dyn();
142
143    let mut add_test = Array2::from_elem((2, 2), 1.0).into_dyn();
144    let add_source = Array2::from_elem((2, 2), 0.5).into_dyn();
145
146    let mut norm_test =
147        Array2::from_shape_vec((2, 3), vec![1.0, 4.0, 7.0, 2.0, 5.0, 8.0])?.into_dyn();
148
149    println!("Before operations:");
150    println!("ReLU input (should clip negatives): {:?}", relu_test);
151    println!("Sigmoid input: {:?}", sigmoid_test);
152    println!("Addition target: {:?}", add_test);
153    println!("Normalization input: {:?}", norm_test);
154
155    // Apply in-place operations
156    println!("\nApplying in-place operations...");
157    InPlaceOperations::relu_inplace(&mut relu_test);
158    InPlaceOperations::sigmoid_inplace(&mut sigmoid_test);
159    InPlaceOperations::add_inplace(&mut add_test, &add_source)?;
160    InPlaceOperations::normalize_inplace(&mut norm_test)?;
161
162    println!("\nAfter operations:");
163    println!("ReLU result: {:?}", relu_test);
164    println!("Sigmoid result: {:?}", sigmoid_test);
165    println!("Addition result: {:?}", add_test);
166    println!("Normalized result: {:?}", norm_test);
167
168    // Test scaling
169    let mut scale_test = Array2::from_elem((2, 2), 2.0).into_dyn();
170    println!("\nScaling test - before: {:?}", scale_test);
171    InPlaceOperations::scale_inplace(&mut scale_test, 3.0);
172    println!("Scaling test - after: {:?}", scale_test);
173
174    Ok(())
175}
Source

pub fn normalize_inplace<F: Float + Debug + Clone + FromPrimitive>( array: &mut ArrayD<F>, ) -> Result<()>

In-place normalization (subtract mean, divide by std)

Examples found in repository?
examples/memory_efficient_example.rs (line 160)
127fn demo_in_place_operations() -> Result<()> {
128    println!("\n⚡ In-place Operations Demo");
129    println!("--------------------------");
130
131    // Create test arrays
132    let mut relu_test = Array2::from_shape_vec(
133        (3, 4),
134        vec![
135            -1.0, 2.0, -3.0, 4.0, 0.5, -0.5, 1.5, -2.5, 3.0, -1.0, 0.0, 2.0,
136        ],
137    )?
138    .into_dyn();
139
140    let mut sigmoid_test =
141        Array2::from_shape_vec((2, 3), vec![-2.0, 0.0, 2.0, -1.0, 1.0, 3.0])?.into_dyn();
142
143    let mut add_test = Array2::from_elem((2, 2), 1.0).into_dyn();
144    let add_source = Array2::from_elem((2, 2), 0.5).into_dyn();
145
146    let mut norm_test =
147        Array2::from_shape_vec((2, 3), vec![1.0, 4.0, 7.0, 2.0, 5.0, 8.0])?.into_dyn();
148
149    println!("Before operations:");
150    println!("ReLU input (should clip negatives): {:?}", relu_test);
151    println!("Sigmoid input: {:?}", sigmoid_test);
152    println!("Addition target: {:?}", add_test);
153    println!("Normalization input: {:?}", norm_test);
154
155    // Apply in-place operations
156    println!("\nApplying in-place operations...");
157    InPlaceOperations::relu_inplace(&mut relu_test);
158    InPlaceOperations::sigmoid_inplace(&mut sigmoid_test);
159    InPlaceOperations::add_inplace(&mut add_test, &add_source)?;
160    InPlaceOperations::normalize_inplace(&mut norm_test)?;
161
162    println!("\nAfter operations:");
163    println!("ReLU result: {:?}", relu_test);
164    println!("Sigmoid result: {:?}", sigmoid_test);
165    println!("Addition result: {:?}", add_test);
166    println!("Normalized result: {:?}", norm_test);
167
168    // Test scaling
169    let mut scale_test = Array2::from_elem((2, 2), 2.0).into_dyn();
170    println!("\nScaling test - before: {:?}", scale_test);
171    InPlaceOperations::scale_inplace(&mut scale_test, 3.0);
172    println!("Scaling test - after: {:?}", scale_test);
173
174    Ok(())
175}
Source

pub fn dropout_inplace<F: Float + Debug>( array: &mut ArrayD<F>, dropout_rate: f64, training: bool, ) -> Result<()>

In-place dropout (sets elements to zero based on probability)

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