| # Copyright (c) 2021 The Regents of the University of California |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer; |
| # redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution; |
| # neither the name of the copyright holders nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| from ..utils.override import overrides |
| from ..boards.mem_mode import MemMode |
| from .complex_generator_core import ComplexGeneratorCore |
| |
| from .abstract_processor import AbstractProcessor |
| from ..boards.abstract_board import AbstractBoard |
| |
| |
| class ComplexGenerator(AbstractProcessor): |
| def __init__(self, num_cores: int = 1) -> None: |
| super(ComplexGenerator, self).__init__( |
| cores=[ComplexGeneratorCore() for i in range(num_cores)] |
| ) |
| """The complex generator |
| |
| This class defines an external interface to create a list of complex |
| generator cores that could replace the processing cores in a board. |
| |
| :param num_cores: The number of complex generator cores to create. |
| """ |
| |
| @overrides(AbstractProcessor) |
| def incorporate_processor(self, board: AbstractBoard) -> None: |
| board.set_mem_mode(MemMode.TIMING) |
| |
| def add_linear( |
| self, |
| duration: str = "1ms", |
| rate: str = "100GB/s", |
| block_size: int = 64, |
| min_addr: int = 0, |
| max_addr: int = 32768, |
| rd_perc: int = 100, |
| data_limit: int = 0, |
| ) -> None: |
| """ |
| This function will add a linear traffic to all the cores in the |
| generator with the params specified. |
| |
| :param duration: The number of ticks for the generator core to generate |
| traffic. |
| :param rate: The rate at which the synthetic data is read/written. |
| :param block_size: The number of bytes to be read/written with each |
| request. |
| :param min_addr: The lower bound of the address range the generator |
| will read/write from/to. |
| :param max_addr: The upper bound of the address range the generator |
| will read/write from/to. |
| :param rd_perc: The percentage of read requests among all the generated |
| requests. The write percentage would be equal to 100 - rd_perc. |
| :param data_limit: The amount of data in bytes to read/write by the |
| generator before stopping generation. |
| """ |
| for core in self.cores: |
| core.add_linear( |
| duration, |
| rate, |
| block_size, |
| min_addr, |
| max_addr, |
| rd_perc, |
| data_limit, |
| ) |
| |
| def add_random( |
| self, |
| duration: str = "1ms", |
| rate: str = "100GB/s", |
| block_size: int = 64, |
| min_addr: int = 0, |
| max_addr: int = 32768, |
| rd_perc: int = 100, |
| data_limit: int = 0, |
| ) -> None: |
| """ |
| This function will add a random traffic to all the cores in the |
| generator with the params specified. |
| |
| :param duration: The number of ticks for the generator core to generate |
| traffic. |
| :param rate: The rate at which the synthetic data is read/written. |
| :param block_size: The number of bytes to be read/written with each |
| request. |
| :param min_addr: The lower bound of the address range the generator |
| will read/write from/to. |
| :param max_addr: The upper bound of the address range the generator |
| will read/write from/to. |
| :param rd_perc: The percentage of read requests among all the generated |
| requests. The write percentage would be equal to 100 - rd_perc. |
| :param data_limit: The amount of data in bytes to read/write by the |
| generator before stopping generation. |
| """ |
| for core in self.cores: |
| core.add_random( |
| duration, |
| rate, |
| block_size, |
| min_addr, |
| max_addr, |
| rd_perc, |
| data_limit, |
| ) |
| |
| def start_traffic(self) -> None: |
| """ |
| This function will start the traffic at the top of the traffic list. It |
| will also pop the first element so that the generator will start a |
| new traffic everytime this is called. |
| """ |
| for core in self.cores: |
| core.start_traffic() |