Inside the Infineon Carmel
A BDTI Technical Evaluation
The first independent, in-depth report to
evaluate the first generation of Infineon's high-performance DSP core, Carmel. This
report provides a comprehensive qualitative analysis of the
processor's architecture and features, along with a complete
quantitative analysis based on results from BDTI's DSP benchmark suite.
Carmel's performance is compared to that of key competitors,
with benchmark results analyzed in terms of
underlying architectural strengths and weaknesses.
Like all of the reports in the series, Inside the Infineon Carmel:
- Is based on hands-on programming experience
- Includes industry-standard BDTI Benchmark™ results
- Identifies processor strengths and weaknesses
- Compares performance to that of key competitors
- Provides timely information from
the established leader in DSP technology analysis
Report includes analysis of Carmel's:
- Architecture
- Data path
- Instruction set
- Execution control
- On-chip debugging support
- Benchmark performance
- Fabrication details
- Development tools
- Applications support
- Advantages
- Disadvantages
Table of Contents
- Introduction
- About the authors
- Selecting and using processor cores
- Fabrication status of Carmel-based chips
- Qualitative analysis of Carmel
- Overview of competitors
- Lucent Technologies DSP16xxx
- Motorola DSP563xx
- Texas Instruments TMS320C54x
- Texas Instruments TMS320CC62xx
- Analysis and comparison of benchmark results
- Conclusions
- Appendix: Complete BDTI Benchmark results for Carmel and
competitors
Excerpts from Inside the Infineon Carmel:
Carmel's varied minimum/maximum instructions and automatic update of
back-trace registers should prove quite effective in Viterbi decoding.
The lack of status bits for SIMD operations may cost [Carmel] cycles in some
applications, since the programmer must explicitly check for
exception conditions.
Carmel has a cycle count on the Viterbi decoding benchmark that is
about 55% below the average of the processors benchmarked in this report,...
BDTI's Inside Series
Inside the Infineon Carmel is one of many reports in BDTI's series of focused reports on single
processors. The series also includes:
The BDTI Benchmarks™
The analysis in Inside the Infineon Carmel is based on the results of
the BDTI Benchmarks, an industry-standard suite of DSP algorithm
kernels. Each benchmark is painstakingly written and optimized in
native assembly language following a strict specification.
Pricing, Shipping, and Ordering Information
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To order Inside the Infineon Carmel, download an order form in HTML or PDF, complete it and return it to BDTI by mail or fax.
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