High-Performance Microprocessors: Top SPEC Performance for 23 May 1998

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		VLSI^* Microprocessors: Top SPEC Performance 23 May 1998 A Guide to High-Performance Microprocessor Resources


	^* VLSI is an abbreviation of Very Large-Scale Integration

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Individual Tests

Peak SPECint95/SPECfp95 ratio - Geometric mean of indivivual tests, compiled with aggressive optimization options, tuned for every test
Base SPECint_base95/SPECfp_base95 ratio - Geometric mean of indivivual tests, compiled with conservative optimization options

Processor	099	124	126	129	130	132	134	147	Peak	Base
	SPECint95 Peak Ratio
Alpha 21164 600Mhz 8MB L3	20.6	18.9	17.5	16.2	16.9	18.8	21.2	20.7	18.8	17.0
PA-RISC 8200 240Mhz 4MB L1	17.4	17.9	14.9	20.4	17.2	15.4	14.7	23.1	17.4	16.4
Pentium II 400MHz 512KB L2	15.1	15.7	15.2	12.8	16.2	15.7	17.9	18.2	15.8	15.8
MIPS R10000 250MHz 4MB L2	14.9	14.2	13.5	15.0	12.3	12.9	16.7	19.5	14.7	14.1
PowerPC 604e 332MHz 256KB L2	18.0	18.4	13.2	9.66	13.2	17.1	15.1	12.8	14.4	14.0
UltraSPARC IIi 333MHz 2MB L2	12.9	16.2	12.4	14.8	14.4	12.1	15.2	14.4	14.0	11.3

Processor	101	102	103	104	107	110	125	141	145	146	Peak	Base
	SPECfp95 Peak Ratio
Alpha 21164 600Mhz 8MB L3	41.7	51.1	15.9	21.3	41.3	12.3	26.2	29.3	48.2	32.9	29.2	27.0
PA-RISC 8200 240Mhz 4MB L1	39.5	65.3	17.7	14.7	22.4	18.8	20.2	31.3	50.1	39.6	28.5	25.3
POWER2 160Mhz 160KB L1	50.4	61.6	14.9	14.2	22.9	24.5	32.8	11.6	37.8	33.3	26.6	23.6
MIPS R10000 250MHz 4MB L2	34.6	50.0	15.6	16.6	23.5	14.4	19.4	21.1	37.8	33.7	24.5	22.6
UltraSPARC IIi 333MHz 2MB L2	22.3	34.0	12.0	8.84	15.4	9.96	14.8	24.2	20.4	22.7	17.0	15.8
PowerPC 604e 332MHz 256KB L2	16.4	24.4	5.67	6.42	9.68	8.21	17.5	9.23	37.7	14.2	12.6	12.1
Pentium II 400MHz 512KB L2	23.1	31.4	7.53	7.21	7.99	9.20	11.1	14.3	16.6	11.7	12.4	11.4

Test Environment

Digital Alpha 21164 600Mhz, 8MB L3 cache

HP PA-RISC 8200 240Mhz, 2MB Instruction + 2MB Data off-chip L1 cache

IBM POWER2 160Mhz, 32KB Instruction + 128KB Data on-chip L1 cache

Test Date:	November 1997
Hardware:	RS/6000 Model 397
Operating System:	AIX 4.1.5
SPECfp95 Compiler:	XL Fortran version 5.1 ptf, KAP version 3.2
SPECint95 Source:	RS/6000 Workstation/Server Model 397 by IBM
SPECfp95 Source:	SPEC Database

MIPS R10000 250MHz, 4MB L2 cache

Sun UltraSPARC II 360MHz, 4 MB L2 cache

Alpha 21164PC 533MHz

Source:

Sun UltraSPARC IIi 333MHz, 2MB off-chip L2 cache

Intel Pentium II 400MHz, 512KB without ECC L2 cache

IBM PowerPC 604e 332MHz, 256KB L2 cache

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VLSI * Microprocessors: Top SPEC Performance 23 May 1998