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Many data center applications are latency-sensitive. Monitoring continuously the network latency and reacting to congestion on a network path is important to ensure that the applications performance does not suffer penalties. We show how to use the Precision Time Protocol (PTP) to infer network latency and packet loss in data centers, and we conduct network latency and packet loss measurements in...
Multivariate polynomial multiplication is a fundamental operation which is used in many scientific domains, for example in the optics code for particle accelerator design at CERN. We present a novel and efficient multivariate polynomial multiplication algorithm for GPUs using floating-point double precision coefficients implemented using the CUDA parallel programming platform. We obtain very good...
In this paper we present a novel application-assisted checkpoint-restart mechanism for Java applications. The checkpoint-restart API provides the application developers with full control over what data needs to be check-pointed. The novelty of our system is that it allows different checkpoint periods for different data items. Our implementation makes full use of the Java Reflection API.
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