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Document:	Alpha Performance
Order Number:	XX-5152F-FB
Revision:
Pages:	2
Original Filename:	http://sup.xenya.si/sup/info/digital/Alpha/Alpha%20Performance.pdf

OCR Text

M
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Performance Flash

Digital AlphaStation Family
Digital UNIX
This document presents the industry-standard benchmark ratings for the Digital AlphaStation™ family
members running the Digital UNIX® operating system.

Cache
L1 Instruction/Data
L2
L3

200
4/166

255/
233

255/
300

500/
266

AlphaStation
500/
333

500/
400

500/
500

600
5/266

600
5/333

8/8KB

16/16KB

8/8KB

512KB

1MB

96KB

----

2MB

8MB

4MB

Benchmarks and
Metrics
SPEC CINT95
SPECint95

2.95

4.27

5.23

7.93

9.82

12.3

15.0

7.91

9.78

SPECint_base95

2.45

3.48

4.31

6.53

8.38

9.77

12.6

6.57

8.36

SPEC CFP95
SPECfp95

3.64

5.09

5.81

11.1

12.5

14.1

20.4

11.8

13.4

SPECfp_base95

3.30

4.71

5.38

10.3

11.8

12.8

18.3

11.0

12.6

SPECint_rate95

26.5

38.4

47.1

71.4

88.4

111

135

71.2

88.0

SPECint_rate_base95

22.0

31.3

38.8

58.7

75.5

88.0

113

59.1

75.2

SPEC CINT95
Homogenous Capacity

SPEC CFP95
Homogenous Capacity
SPECfp_rate95

32.8

45.8

52.3

99.7

113

127

183

SPECfp_rate_base95

29.7

42.4

48.4

92.9

106

115

165

106
98.7

120
113

LINPACK
64-bit Double-Precision
100x100 MFLOPS

32.5

46.5

53.3

123.7

153.0

188.8

235.3

124.2

156.3

1000x1000 MFLOPS

99.6

162.0

196.1

323.6

375.8

450.5

590.3

343.4

421.6

DN&R Labs CPU2
MVUPS

242

363

454

620

778

944

1,181

622

786

V1.1 instructions/sec

329,896

537,053

642,941

820,591

1,030,775

1,336,887

1,671,981

821,512

1,031,397

V2.1 instructions/sec

454,277

454,545

555,555

833,333

1,000,000

1,250,000

1,666,667

833,333

1,000,000

Dhrystone

Whetstone
Single-precision

154.3

217.1

279.2

350.9

436.0

556.8

711.5

353.3

476.5

135.9

239.4

305.8

453.4

569.2

674.1

846.8

455.4

569.2

23.2

30.9

37.9

57.0

71.2

86.6

108.8

57.1

72.4

KWIPS
Double-precision
KWIPS

Livermore Loops
Geo. Mean MFLOPS
NR = Not Reported

M
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Performance Flash - Digital AlphaStation Family - Digital Unix
Digital evaluated the performance of the AlphaStation family using industry-standard benchmarks. These
benchmarks allow comparisons across vendors’ systems. Performance characterization is just one “data
point” to be used in conjunction with other purchase criteria such as features, service, and price.
For more information on the SPEC benchmarks, see The SPEC Newsletter, published by the Standard
Performance Evaluation Corporation, see http://www.specbench.org/.
For more information on Digital’s AlphaStation family, contact your local Digital sales representative.
Please send questions and comments about the information presented in this Graphics Performance Flash
to Internet address: csgperf@zko.dec.com.
Digital believes the information in this publication is accurate as of its publication date; such information
is subject to change without notice. Digital is not responsible for any inadvertent errors.
Digital conducts its business in a manner that conserves the environment and protects the safety and
health of its employees, customers, and the community.

Digital, the DIGITAL logo, the AlphaGeneration logo, and AlphaStation are trademarks of Digital Equipment Corporation.

SPEC, SPECint92, SPECfp92, SPECrate_int92, SPECrate_fp92, SPECint95, and SPECfp95 are trademarks of the Standard Performance
Evaluation Corporation.
UNIX is a registered trademark in the United States and other countries, exclusively licensed through X/Open Company Ltd.

Digital Equipment Corporation

September 12, 1996