Result

BenchmarkClean_MockDB-12           	    1000	    219069 ns/op
BenchmarkClean_SQLite_File-12      	    1000	    767908 ns/op
BenchmarkClean_SQLite_Memory-12    	    1000	     40080 ns/op
BenchmarkTRM_MockDB-12             	    1000	    219373 ns/op
BenchmarkTRM_SQLite_File-12        	    1000	    711622 ns/op
BenchmarkTRM_SQLite_Memory-12      	    1000	     35139 ns/op

sqlite in memory

trm (ns)	clean (ns)	diff (ns)	percent
35072	29731	5341	17,96441425
34787	29422	5365	18,23465434
35060	29376	5684	19,34912854
33452	29760	3692	12,40591398
33616	29529	4087	13,84063124
34659	29746	4913	16,51650642
35262	29365	5897	20,08172995
35879	29611	6268	21,16780926
35252	29572	5680	19,20735831
34959	29474	5485	18,60962204

Different (ns)

Min: 3692; Max: 6268 ; Avg: 5241,2.

Percent

Min: 12,40591398; Max: 21,16780926; Avg: 17,73777683.

sqlite in file

trm (ns)	clean (ns)	diff (ns)	percent
676482	671696	4786	0,7125247136
693563	724816	-31253	-4,311852939
723735	717628	6107	0,8509980101
706655	700489	6166	0,8802422308
696003	699445	-3442	-0,4921044542
720715	651730	68985	10,58490479
665267	690248	-24981	-3,619133992
654501	675858	-21357	-3,15998331
685381	660482	24899	3,769822645
707341	696287	11054	1,587563749

Different (ns)

Min: -31253; Max: 68985; Avg: 4096,4.

Percent

Min: -4,311852939; Max: 10,58490479; Avg: 0,6802981444.

sqlmock

trm (ns)	clean (ns)	diff (ns)	percent
1535375	1505887	29488	1,958181457
1547326	1499356	47970	3,199373598
1600213	1467423	132790	9,04919713
1501681	1458198	43483	2,981968155
1483853	1458583	25270	1,732503395
1501300	1466810	34490	2,351361117
1493554	1465913	27641	1,885582569
1490446	1480484	9962	0,6728880555
1545214	1468073	77141	5,254575215
1540373	1468896	71477	4,866035444

Different (ns)

Min: 9962; Max: 132790; Avg: 49971,2.

Percent

Min: 0,6728880555; Max: 9,04919713; Avg: 3,395166614.

Conclusion

TRM decreases performance about 11% but filesystem or network connection takes significantly longer than TRM.