.png){kind=icon}
返回
DeepP: Deep Learning Multi-Program Prefetch Configuration for the IBM POWER 8
.png){kind=icon}
OA
AI
DOI：10.1109/TC.2021.3139997.png)
.png){kind=icon}
原文求助.png){kind=icon}
分享.png){kind=icon}
收藏
摘要
En 中文
Current multi-core processors implement sophisticated hardware prefetchers, that can be configured by application (PID), to improve the system performance. When running multiple applications, each application can present different prefetch requirements, hence different configurations can be used. Setting the optimal prefetch configuration for each application is a complex task since it does not only depend on the application characteristics but also on the interference at the shared memory resources (e.g., memory bandwidth). In his paper, we propose DeepP, a deep learning approach for the IBM POWER8 that identifies at run-time the best prefetch configuration for each application in a workload. To this end, the neural network predicts the performance of each application under the studied prefetch configurations by using a set of performance events. The prediction accuracy of the network is improved thanks to a dynamic training methodology that allows learning the impact of dynamic changes of the prefetch configuration on performance. At run-time, the devised network infers the best prefetch configuration for each application and adjusts it dynamically. Experimental results show that the proposed approach improves performance, on average, by 5.8%, 6.7%, and 15.8% compared to the default prefetch configuration across different 6-, 8-, and 10-application workloads, respectively.
Keyword:
Prefetching
Training
Hardware
Bandwidth
Deep learning
Interference
Multicore processing
IBM POWER8 processor
prefetch configuration
inter-application interference
machine learning
deep learning
期刊
IF:
3.8
论文数:
5.4K
被引数:
9.8K
机构
引用论文
.png){kind=icon}
分享收藏
查看更多内容