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| Content Provider | ACM Digital Library |
|---|---|
| Author | Faraboschi, Paolo Katti, Sachin Eisenman, Assaf Magalhaes, Guilherme Cai, Qiong Cherkasova, Ludmila |
| Abstract | Large graph processing has attracted much renewed attention due to its increased importance for a social network analysis. The efficient parallel graph processing faces a set of software and hardware issues, discussed in literature. The main cause of these challenges is the "irregularity" of graph computations and related difficulties in efficient parallelization of graph processing. Unbalanced computations, caused by uneven data partitioning, can affect application scalability. Moreover, the issue of poor data locality is another major concern, that makes the graph processing applications memory-bound. In this paper, we aim to profile how large, parallel graph applications (based on Galois framework) utilize modern systems, in particular, memory subsystem. We found that modern graph processing frameworks executed on the latest Intel multi-core systems (a single node server) exhibit a good data locality and achieve a good speedup with an increased number of cores, contrary to traditional past stereotypes. The application processing speedup is highly correlated with utilized memory bandwidth. At the same time, our measurements show that the memory bandwidth is not a bottleneck, and the analyzed graph applications are memory-latency bound. These new insights can help us in matching the resource demands of the graph processing applications to future system design parameters. |
| Starting Page | 85 |
| Ending Page | 90 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781450340809 |
| DOI | 10.1145/2851553.2851572 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2016-03-12 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Parallel graph processing Profiling Benchmarking Hardware performance counters |
| Content Type | Text |
| Resource Type | Article |
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