Comparative performance analysis of mobile runtimes on Intel XScale® technology
Pages 51 - 57
Abstract
Mobile Runtime Environments such as Java*2 Micro Edition (J2ME*) and Microsoft WinCE.NET* Compact Framework* are becoming standard managed application execution environments on memory constrained devices. A variety of implementations exists, and so too are a variety of systems they could run on, and finally a variety of workloads. It becomes important to understand how they compare.In this paper we describe comparative performance analysis of mobile runtimes on products with Intel XScale® micro-architecture. We were interested in a number of comparisons. These include CLDC vs. CDC workloads, Interpreters vs. JIT compilers, and J2ME vs. Native applications. In addition we compare runtimes when memory subsystem improves and MHz varies.We find that when comparing how mobile runtimes utilize the underlying micro-architecture, multiple implementations have similar stall analysis. We find that JIT (Just-In-Time) compilers are about 4-6 times faster than interpreters. For a class of applications we measured, J2ME apps were about two times slower than their C counterparts. We find that memory subsystem improvements have minor impact on interpreters but have much more impact on JIT compilers.
References
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Intel Corporation, Intel® XScale#8482; Micro-architecture for the PXA250 and PXA210 Applications Processors, User's Manual, February 2002.
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Sun Microsystems, The CLDC Hotspot Implementation Virtual Machine, http://java.sun.com/products/cldc/wp/CLDC_HI_Whitepaper.pdf
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Sun Microsystems, The CLDC Reference Implementation Virtual Machine aka KVM, http://java.sun.com/products/cldc/.
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Microsoft Corporation, .NET Compact Framework Overview, http://msdn.microsoft.com/vstudio/device/compactfx.asp
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Drews, P., Sommer, D., Chandler, R., and Smith, T. "Managed Runtime Environments for Next-Generation Mobile Devices." Intel Technology Journal. http://developer.intel.com/technology/itj/2003/volume07issue01/ (February 2003).
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G. Chen, M. Kandemir, N. Vijaykrishnan and M. J. Irwin, "PennBench: A Benchmark Suite for Embedded Java", In the Proceedings of the 5th Workshop on Workload Characterization. Austin, TX, Nov, 2002
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Index Terms
- Comparative performance analysis of mobile runtimes on Intel XScale® technology
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Published: 07 June 2004
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IVME04: ACM SIGPLAN 2004 Workshop on Interpreters, Virtual Machines and Emulators ( Co-located with PLDI 2004 )
June 7, 2004
D.C., Washington
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