NDLI: Automatic Synthesis of High-Speed Processor Simulators

Content Provider	IEEE Xplore Digital Library
Author	Burtscher, M. Ganusov, I.
Copyright Year	2004
Description	Author affiliation: Cornell University (Burtscher, M.)
Abstract	Microprocessor simulators are very popular in research and teaching environments. For example, functional simulators are often used to perform architectural studies, to fast-forward over uninteresting code, to generate program traces, and to warm up tables before switching to a more detailed but slower simulator. Unfortunately, most portable functional simulators are on the order of 100 times slower than native execution. This paper describes a set of novel techniques and optimizations to synthesize portable functional simulators that are only 6.6 times slower on average (16 times in the worst case) than native execution and 19 times faster than SimpleScalar's sim-fast on the SPECcpu2000 programs. When simulating a memory hierarchy, the synthesized code is 2.6 times faster than the equivalent ATOM code. Our fully automated synthesis approach works without access to source/assembly code or debug information. It generates C code, integrates optional user-provided code, performs unwanted-code removal, preserves basic blocks, generates low-overhead profiles, employs a simple heuristic to determine potential jump targets, only compiles important instructions, and utilizes mixed-mode execution, i.e., it interleaves compiled and interpreted simulation to maximize performance.
Starting Page	55
Ending Page	66
File Size	322762
Page Count	12
File Format	PDF
ISBN	0769521266
ISSN	10724451
DOI	10.1109/MICRO.2004.7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-12-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computational modeling Assembly Testing Microprocessors Computer simulation Education Textile industry Virtual prototyping Instruction sets Synthesizers
Content Type	Text
Resource Type	Article

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