110.fft
SPEC ACCEL Benchmark Description

Benchmark Name

110.fft

Benchmark Author

Sara Sadeghi Baghsorkhi, John A. Stratton

Benchmark Program General Category

Signal processing

Benchmark Description

110.fft performs a 1-D, radix-2 Fast Fourier Transform on a number of input arrays.

Input Description

110.fft's input consists of one file, holding the real-valued array elements to be transformed.

Output Description

110.fft outputs a file of real numbers in equal amount to the number of input elements.

The output file fft.out contains detailed timing information about the run. It also shows which device was selected along with what devices where available to OpenCL.

Programming Language

C, OpenCL

Threading Model

OpenCL

Known portability issues

Some files are stored in little-endian binary format.

References

• "Parboil: A Revised Benchmark Suite for Scientific and Commercial Throughput Computing", Stratton, John A.; Rodrigues, Christopher I.; Sung, Ray; Obeid, Nady; Chang, Li-Wen; Anssari, Nasser; Liu, Daniel; Hwu, Wen-mei, IMPACT Technical Report, IMPACT-12-01, University of Illinois at Urbana-Champaign, Center for Reliable and High-Performance Computing, March 2, 2012.

Last updated: $Date: 2015-03-02 15:15:22 -0500 (Mon, 02 Mar 2015) $