New Algorithms for Improved Transcendental Functions on IA-64

A
ARITH
1999
14th IEEE Symposium on Computer Arithmetic (ARITH-14 '99)
Abstract - New Algorithms for Improved Transcendental Functions on IA-64

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14th IEEE Symposium on Computer Arithmetic (ARITH-14 '99)

Adelaide, Australia

April 14-April 16

ISBN: 0-7695-0116-8

	ASCII Text	x
	Shane Story, Ping Tak, Peter Tang, "New Algorithms for Improved Transcendental Functions on IA-64," Computer Arithmetic, IEEE Symposium on, pp. 4, 14th IEEE Symposium on Computer Arithmetic (ARITH-14 '99), 1999.

	BibTex	x
	@article{ 10.1109/ARITH.1999.762822, author = {Shane Story and Ping Tak and Peter Tang}, title = {New Algorithms for Improved Transcendental Functions on IA-64}, journal ={Computer Arithmetic, IEEE Symposium on}, volume = {0}, year = {1999}, issn = {1063-6889}, pages = {4}, doi = {http://doi.ieeecomputersociety.org/10.1109/ARITH.1999.762822}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Computer Arithmetic, IEEE Symposium on TI - New Algorithms for Improved Transcendental Functions on IA-64 SN - 1063-6889 SP EP A1 - Shane Story, A1 - Ping Tak, A1 - Peter Tang, PY - 1999 VL - 0 JA - Computer Arithmetic, IEEE Symposium on ER -

Shane Story, Intel Corporation

Ping Tak, Intel Corporation

Peter Tang, Intel Corporation

DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ARITH.1999.762822

The IA-64 architecture provides new opportunities and challenges for implementing an improved set of transcendental functions. Using several novel polynomial-based table-driven techniques, we are able to provide new algorithms for the transcendental functions. Major improvements include an accuracy level of about 0.6 ulps (units in the last place) and forward trigonometric functions that have a period of 2pi. The accuracy enhancements are achieved at improved speed, yet without an increase in the table size. In this paper, we highlight the key IA-64 architectural features that influenced our designs and explain the main ideas used in our new algorithms.

Citation:

Shane Story, Ping Tak, Peter Tang, "New Algorithms for Improved Transcendental Functions on IA-64," arith, pp.4, 14th IEEE Symposium on Computer Arithmetic (ARITH-14 '99), 1999

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