Characterizing the Effects of Intermittent Faults on a Processor for Dependability Enhancement Strategy

Table 4

Sensitivity per unit (%).

Units	Object type	Transient faults	Intermittent faults									Permanent faults
			B2_	B2_	B2_	B4_	B4_	B4_	B8_	B8_	B8_
			0.01–0.1	0.1–1	1–10	0.01–0.1	0.1–1	1–10	0.01–0.1	0.1–1	1–10
PKU	NET	1.2	1.6	12.1	19.4	3.7	15.1	23.7	4.2	18.1	22.9	23.5
	REG	10.3	11.2	13.1	12.2	12.2	14.0	17.8	12.2	15.9	17.8	17.8
AGEN	NET	1.2	1.7	6.5	15.3	2.3	10.9	18.6	5.4	12.3	23.6	23.9
	REG	1.4	1.1	1.4	7.0	1.7	3.7	10.1	2.5	6.6	11.0	10.5
Decoder	NET	1.8	1.2	9.8	19.0	5.4	13.6	22.4	6.2	15.3	24.7	22.5
	REG	4.2	1.6	2.4	8.0	4.6	2.3	11.7	3.7	5.1	12.0	10.5
ALU	NET	0.9	1.3	4.2	12.2	2.0	6.8	20.1	2.8	9.2	25.8	41.4
	REG	4.6	4.2	4.3	13.5	2.6	7.0	19.2	5.5	8.7	24.3	23.6
IRF	NET	0.6	0.4	6.7	12.5	3.1	8.8	15.3	3.1	10.7	17.6	14.3
	REG	8.2	7.9	8.6	13.9	8.3	10.0	21.6	7.9	13.1	22.6	15.3