Comments (5)
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One of the datasets is TPC-H and we include it in https://github.com/hongzimao/decima-sim/tree/master/spark_env/tpch. In the code, we load the job with https://github.com/hongzimao/decima-sim/blob/master/spark_env/job_generator.py#L110 and https://github.com/hongzimao/decima-sim/blob/master/spark_env/job_generator.py#L9.
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You can change the input to your dataset for job descriptions as long as they provide (1) the DAG topology (i.e., parent-child relation), (2) features on each node (e.g., number of tasks, task durations, etc.), (3) specification for inter-arrival process and distribution for different jobs. You can modify the job loader code above.
Hope these help!
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First of all , I would like to thank you for your quick response.
Yes, the above information is very helpful for me.
I have also some questions regarding the parameters,
1/ Which parameters define the model ?
2/ Is there any brief description of the parameters?
Thanks..
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Indeed, I have a similar question, that is why the models of GCN and GSN are designed manually instead being designed by the tensorflow module? Is it that you want use a specific initialization method?
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This is the code for parameter initialization for GCN: https://github.com/hongzimao/decima-sim/blob/master/gcn.py#L50. The initialization follows the standard "Glorot initialization scheme" (See Xavier Glorot & Yoshua Bengio (AISTATS 2010) initialization (Eqn 16) for more details). I wrote the code from scratch because when we developed this codebase there wasn't standard graph neural network module in Tensorflow. Writing everything also gave us full control for understanding the details.
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Btw, there was also an issue for batching. We wanted to support batching multiple graphs with different size. Standard TF module required each input in a batch to have the same size at the time. As an example, take a look at https://github.com/hongzimao/decima-sim/blob/c010dd74ff4b7566bd0ac989c90a32cfbc630d84/sparse_op.py for how we concatenate multiple inputs in sparse matrices for batching, if you are interested.
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Related Issues (20)
- some questions of your code HOT 9
- The model training issue with reward function optimizing makespan HOT 14
- Updating Tensorflow 1.14 to 2 HOT 3
- About nodes information HOT 1
- A question about the result HOT 5
- some question about the main idea
- Some questions about Decima's GNN HOT 2
- A question about actor_network HOT 2
- Questions about the input vector HOT 2
- What are the versions of the project pkg requirement? HOT 6
- Question about multi resource training. HOT 1
- when calculating the reward whether the locality of the data to the core is taken into account? in other word,the data transfer between different nodes may significant affect the reward calculation.
- How to integrate Decima in Spark
- About the model of generation HOT 1
- Question about .npy files
- Some questions about executor
- Code for Learning State Representation
- Could u plz tell me the piplist of this code? HOT 2
- Bug in determining `done` in `env.step`?
- PyTorch Implementation of Decima Available!
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