NDLI: Comparison of LLVM and GCC on the ARM Platform

Content Provider	IEEE Xplore Digital Library
Author	Jae-Jin Kim Seok-Young Lee Soo-Mook Moon Suhyun Kim
Copyright Year	2010
Abstract	Virtual machines provide platform independence by using intermediate code. Program source code is compiled into intermediate code, which can be executed on many different platforms. Even though there are many virtual machines, there are not many virtual machines that can support C/C++, especially with high performance. Recently, Low Level Virtual Machine (LLVM) provides limited degree of architecture independence for C programs. Though it does not support multi-platform execution of complex programs, it is able to run simple benchmarks, enabling us to look into important aspects. In this paper, we analyze the performance impact of using intermediate code for C programs in the embedded system. Compared to the traditional native execution, LLVM has a little weakness in handling memory accesses, but generally shows competitive performance in other optimizations. Especially, in a benchmark with frequent function calls, LLVM exhibits even better performance than GCC.
Starting Page	1
Ending Page	6
File Size	295419
Page Count	6
File Format	PDF
ISBN	9781424477104
e-ISBN	9781424477135
DOI	10.1109/EMC.2010.5575631
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-11
Publisher Place	Philippines
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Java Linux Benchmark testing Virtual machining Registers Optimization Assembly
Content Type	Text
Resource Type	Article

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