FPGA AI Suite: IP Reference Manual

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ID 768974
Date 7/31/2024
Public
Document Table of Contents
Document Table of Contents x
1. FPGA AI Suite IP Reference Manual 2. About the FPGA AI Suite IP 3. FPGA AI Suite IP Generation Utility 4. FPGA AI Suite Ahead-of-Time Splitter Utility 5. CSR Map and Descriptor Queue A. FPGA AI Suite IP Reference Manual Archives B. FPGA AI Suite IP Reference Manual Document Revision History
2. About the FPGA AI Suite IP x
2.1. Supported Models 2.2. Model Performance 2.3. FPGA AI Suite Software Reference Model 2.4. FPGA AI Suite Layer / Primitive Ranges 2.5. FPGA AI Suite IP Block Configuration 2.6. IP Block Interfaces 2.7. Feature Input and Output Streaming 2.8. Memoryless Operation
2.1. Supported Models x
2.1.1. MobileNet V2 differences between Caffe and TensorFlow models
2.2. Model Performance x
2.2.1. Throughput on the MobileNetV1 model (and other very fast models)
2.5. FPGA AI Suite IP Block Configuration x
2.5.1. Architecture Description File Format for Instance Parameterization 2.5.2. Architecture Description File Parameters
2.5.2. Architecture Description File Parameters x
2.5.2.1. Parameter Group: Global Parameters 2.5.2.2. Parameter Group: activation Parameter: activation/enable_relu Parameter: activation/enable_leaky_relu Parameter: activation/enable_prelu Parameter: activation/enable_clamp Parameter: activation/enable_round_clamp Parameter: activation/enable_sigmoid Parameter activation/enable_tanh 2.5.2.3. Parameter Group: pe_array 2.5.2.4. Parameter Group: pool 2.5.2.5. Parameter Group: depthwise 2.5.2.6. Module: softmax 2.5.2.7. Parameter Group: dma 2.5.2.8. Parameter Group: xbar 2.5.2.9. Parameter Group: filter_scratchpad 2.5.2.10. Parameter Group: input_stream_interface 2.5.2.11. Parameter Group: output_stream_interface 2.5.2.12. Parameter Group: config_network 2.5.2.13. (Early Access) Parameter Group: layout_transform_params
2.6. IP Block Interfaces x
2.6.1. Clock and Reset 2.6.2. AXI Interfaces 2.6.3. AXI Interface Clock and Reset 2.6.4. Input Feature Tensor In-Memory Format 2.6.5. Output Tensor In-Memory Format
2.6.4. Input Feature Tensor In-Memory Format x
2.6.4.1. Multiple Input Graphs 2.6.4.2. Input Folding 2.6.4.3. Input Scale and Shift 2.6.4.4. Input Transform Mapping 2.6.4.5. Input Layout Transform Hardware
2.7. Feature Input and Output Streaming x
2.7.1. Input Streaming 2.7.2. Output Streaming
3. FPGA AI Suite IP Generation Utility x
3.1. IP Generation Utility Execution Flows 3.2. IP Generation Utility Inputs 3.3. IP Generation Utility Outputs 3.4. IP Generation Utility Command Line Options
3.4. IP Generation Utility Command Line Options x
3.4.1. The --flow create_ip Flow 3.4.2. The --flow add_arch Flow 3.4.3. The --flow list Flow 3.4.4. The --flow remove_arch Flow
4. FPGA AI Suite Ahead-of-Time Splitter Utility x
4.1. Files Generated by the FPGA AI Suite Ahead-of-Time (AOT) Splitter Utility 4.2. Building the FPGA AI Suite Ahead-of-Time (AOT) Splitter Utility 4.3. Running the FPGA AI Suite Ahead-of-Time (AOT) Splitter Utility 4.4. FPGA AI Suite Ahead-of-Time (AOT) Splitter Utility Example Application
5. CSR Map and Descriptor Queue x
5.1. Discovery ROM 5.2. Interrupt Control 5.3. DMA Descriptor Queue 5.4. DMA Control Registers 5.5. Performance Registers 5.6. Debug Network Registers 5.7. DMA License Register
1. FPGA AI Suite IP Reference Manual
2. About the FPGA AI Suite IP
3. FPGA AI Suite IP Generation Utility
4. FPGA AI Suite Ahead-of-Time Splitter Utility
5. CSR Map and Descriptor Queue
A. FPGA AI Suite IP Reference Manual Archives
B. FPGA AI Suite IP Reference Manual Document Revision History

2.5.2.2. Parameter Group: activation

This parameter group configures the activation module. These activation functions are common in deep learning, and it is beyond the scope of this document to describe them.

Different activation functions can be enabled or disabled to suit the graph to be run. Disabling unnecessary activations functions can reduce area.

Parameter: activation/enable_relu

This parameter enables or disables the Rectified Linear Unit (ReLU) activation function.

Legal values:
[true, false]

Parameter: activation/enable_leaky_relu

This parameter enables or disables the Leaky ReLU activation function. This activation function is a superset of the ReLU activation function.

Legal values:
[true, false]

Parameter: activation/enable_prelu

This parameter enables or disables the Parametric ReLU activation function. This activation function is a superset of the Leaky ReLU activation function.

Legal values:
[true, false]

Parameter: activation/enable_clamp

This parameter enables or disables the clamp function. Enabling the clamp function also enables a ReLU6 activation function.

Legal values:
[true, false]

Parameter: activation/enable_round_clamp

This parameter enables or disables the round_clamp function. Enabling the round_clamp function also enables ReLU.

If both enable_clamp and enable_round_clamp are set, enable_round_clamp takes priority over enable_clamp when implementing ReLU.

Legal values:
[true, false]

Parameter: activation/enable_sigmoid

This parameter enables or disables the Sigmoid and Swish activation functions.

As a side-effect, enabling these activation functions also enables the Tanh and Reciprocal activation function. This side-effect might change in a future release, so the best practice is to enable activation function explicitly instead of depending on the side-effect.

Legal values:
[true, false]

Parameter activation/enable_tanh

This parameter enables or disables the Tanh activation function.

As a side-effect, enabling this activation functions also enables the Sigmoid, Swish, and Reciprocal activation functions. This side-effect might change in a future release, so the best practice is to enable activation functions explicitly instead of depending on the side-effect.

Legal value:
[true, false]
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