System for learning and applying integrated task and data parallel strategies in dynamic applications
First Claim
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1. A system for learning and applying a task and data parallel strategy to an application including at least one task for processing a continuous input data stream to produce an output data stream, comprising:
- a controller measuring an execution of the application to update an evaluation of an action space representing a task and data parallel strategy for processing the continuous input data stream, the action space including an action vector, the action vector including a data parallel parameter for each task of the application; and
a run-time system applying the action space as newly evaluated to implement the task and data parallel strategy.
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Abstract
A system for learning and applying a task and data parallel strategy to an application that includes at least one task for processing an input data stream to produce an output data stream includes the following components. A controller measuring an execution of the application to generate an action space representing a task and data parallel strategy. A run-time system applying the action space to implement the task and data parallel strategy.
66 Citations
13 Claims
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1. A system for learning and applying a task and data parallel strategy to an application including at least one task for processing a continuous input data stream to produce an output data stream, comprising:
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a controller measuring an execution of the application to update an evaluation of an action space representing a task and data parallel strategy for processing the continuous input data stream, the action space including an action vector, the action vector including a data parallel parameter for each task of the application; and
a run-time system applying the action space as newly evaluated to implement the task and data parallel strategy. - View Dependent Claims (2, 3, 4, 5, 6)
a modeling task which forms a model of the application and system states;
an exploration task which explores the model for particular application and system states; and
a control policy for generating the action space.
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3. The system of claim 1 wherein the application includes interacting tasks and data parallel tasks.
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4. The system of claim 2 wherein the controller includes means for modeling the application and system states and means for exploring the model for particular application and system states, and a control policy for generating the action space.
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5. The system of claim 4 wherein the modeling task uses a forward model expressed as (q, a)→
- g where q denotes particular states, a denotes the action vector, and g denotes a goal vector.
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6. The system of claim 1 wherein the run-time system includes;
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a splitter task for partitioning the input data stream into a plurality of data chunks;
a plurality of worker tasks processing subsets of the data chunks each worker task being an instance of the at least one task; and
a joiner task combining the processed data chunks to produce the output data stream from the at least one task using the task and data parallel strategy.
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7. A method for learning and applying a task and data parallel strategy to an application including at least one task for processing a continuous input data stream to produce an output data stream, comprising the steps of:
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measuring, by a controller an execution of the application to update an evaluation of an action space representing a task and data parallel strategy for processing the continuous input data stream, the action space including an action vector, the action vector including a data parallel parameter for each task of the application; and
applying, by a run-time system the action space as newly evaluated to implement the task and data parallel strategy. - View Dependent Claims (8, 9, 10, 11, 12)
modeling the application and system states;
exploring the model for particular application and system states; and
generating the action space using a control policy.
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11. The method of claim 10 wherein the step of modeling uses a forward model expressed as (q, a)→
- g where q denotes particular states, a denotes the action vector, and g denotes a goal vector.
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12. The method of claim 7 wherein the step of applying includes the steps of:
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partitioning the input data stream into a plurality of data chunks;
processing, by a plurality of worker tasks, subsets of the data chunks, each worker task being an instance of the at least one task; and
combining, by a joiner task, the processed data chunks to produce the output data stream from the at least one task using the task and data parallel strategy.
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13. A system for learning and applying a task and data parallel strategy to an application including at least one task for processing a continuous input data stream to produce an output data stream, comprising:
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means for measuring an execution of the application to update an evaluation of an action space representing a task and data parallel strategy for processing the continuous input data stream, the action space including an action vector, the action vector including a data parallel parameter for each task of the application; and
means for applying the action space as newly evaluated to implement the task and data parallel strategy.
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Specification