Table 1 Simulated numbers of physical (memory and periphery) qubits and resource overheads (%) in the absence of a repair scheme (Original) and with 1, 2, 4, 8 redundant repair qubits (RR1, RR2, RR4, and RR8) respectively.

From: Enhancing the yield of bucket brigade quantum random access memory using redundancy repair

Code distance	Number of logical qubits	Number of physical qubits										Resource overhead (%)
		Original		RR1		RR2		RR4		RR8		RR1		RR2		RR4		RR8
		Mem	Peri	Mem	Peri	Mem	Peri	Mem	Peri	Mem	Peri	Mem	Peri	Mem	Peri	Mem	Peri	Mem	Peri
QEC 3	16	272	374	289	544	306	544	340	544	408	595	6.25	45.45	12.5	45.5	25.0	45.5	50.0	59.1
	32	544	663	561	867	578	867	612	867	680	901	3.13	30.77	6.25	30.77	12.5	30.8	25.0	35.9
	64	1,088	1,224	1,105	1,462	1,122	1,462	1,156	1,462	1,224	1,479	1.56	19.44	3.13	19.44	6.25	19.44	12.5	20.8
	128	2,176	2,329	2,193	2,601	2,210	2,601	2,244	2,601	2,312	2,601	0.78	11.68	1.56	11.68	3.13	11.68	6.25	11.68
	256	4,352	4,522	4,369	4,828	4,386	4,828	4,420	4,828	4,488	4,828	0.39	6.77	0.78	6.77	1.56	6.77	3.13	6.77
	512	8,704	8,891	8,721	9,231	8,738	9,231	8,772	9,231	8,840	9,231	0.20	3.82	0.39	3.82	0.78	3.82	1.56	3.82
	1,024	17,408	17,612	17,425	17,986	17,442	17,986	17,476	17,986	17,544	17,986	*0.10*	*2.12*	*0.20*	*2.12*	*0.39*	*2.12*	*0.78*	*2.12*
QEC 5	16	784	1,078	833	1,568	882	1,568	980	1,568	1,176	1,715	6.25	45.45	12.5	45.5	25.0	45.5	50.0	59.1
	32	1,568	1,911	1,617	2,499	1,666	2,499	1,764	2,499	1,960	2,597	3.13	30.77	6.25	30.77	12.5	30.8	25.0	35.9
	64	3,136	3,528	3,185	4,214	3,234	4,214	3,332	4,214	3,528	4,263	1.56	19.44	3.13	19.44	6.25	19.44	12.5	20.8
	128	6,272	6,713	6,321	7,497	6,370	7,497	6,468	7,497	6,664	7,497	0.78	11.68	1.56	11.68	3.13	11.68	6.25	11.68
	256	12,544	13,034	12,593	13,916	12,642	13,916	12,740	13,916	12,936	13,916	0.39	6.77	0.78	6.77	1.56	6.77	3.13	6.77
	512	25,088	25,627	25,137	26,607	25,186	26,607	25,284	26,607	25,480	26,607	0.20	3.82	0.39	3.82	0.78	3.82	1.56	3.82
	1,024	50,176	50,764	50,225	51,842	50,274	51,842	50,372	51,842	50,568	51,842	0.10	2.12	0.20	2.12	0.39	2.12	0.78	2.12
QEC 7	16	1,552	2,134	1,649	3,104	1,746	3,104	1,940	3,104	2,328	3,395	6.25	45.45	12.5	45.5	25.0	45.5	50.0	59.1
	32	3,104	3,783	3,201	4,947	3,298	4,947	3,492	4,947	3,880	5,141	3.13	30.77	6.25	30.77	12.5	30.8	25.0	35.9
	64	6,208	6,984	6,305	8,342	6,402	8,342	6,596	8,342	6,984	8,439	1.56	19.44	3.13	19.44	6.25	19.44	12.5	20.8
	128	12,416	13,289	12,513	14,841	12,610	14,841	12,804	14,841	13,192	14,841	0.78	11.68	1.56	11.68	3.13	11.68	6.25	11.68
	256	24,832	25,802	24,929	27,548	25,026	27,548	25,220	27,548	25,608	27,548	0.39	6.77	0.78	6.77	1.56	6.77	3.13	6.77
	512	49,664	50,731	49,761	52,671	49,858	52,671	50,052	52,671	50,440	52,671	0.20	3.82	0.39	3.82	0.78	3.82	1.56	3.82
	1,024	99,328	100,492	99,425	102,626	99,522	102,626	99,716	102,626	100,104	102,626	0.10	2.12	0.20	2.12	0.39	2.12	0.78	2.12
QEC 9	16	2,576	3,542	2,737	5,152	2,898	5,152	3,220	5,152	3,864	5,635	6.25	45.45	12.5	45.5	25.0	45.5	50.0	59.1
	32	5,152	6,279	5,313	8,211	5,474	8,211	5,796	8,211	6,440	8,533	3.13	30.77	6.25	30.77	12.5	30.8	25.0	35.9
	64	10,304	11,592	10,465	13,846	10,626	13,846	10,948	13,846	11,592	14,007	1.56	19.44	3.13	19.44	19.44	12.66	12.5	20.8
	128	20,608	22,057	20,769	24,633	20,930	24,633	21,252	24,633	21,896	24,633	0.78	11.68	1.56	11.68	3.13	11.68	6.25	11.68
	256	41,216	42,826	41,377	45,724	41,538	45,724	41,860	45,724	42,504	45,724	0.39	6.77	0.78	6.77	1.56	6.77	3.13	6.77
	512	82,432	84,203	82,593	87,423	82,754	87,423	83,076	87,423	83,720	87,423	0.20	3.82	0.39	3.82	0.78	3.82	1.56	3.82
	1,024	164,864	166,796	165,025	170,338	165,186	170,338	165,508	170,338	166,152	170,338	0.10	2.12	0.20	2.12	0.39	2.12	0.78	2.12

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Table 1 Simulated numbers of physical (memory and periphery) qubits and resource overheads (%) in the absence of a repair scheme (Original) and with 1, 2, 4, 8 redundant repair qubits (RR1, RR2, RR4, and RR8) respectively.

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