zstd

Benchmark for rootfs WIC image shows compress and decompress speed:

$ time zstd -b3 -e19 -T16 rootfs.wic
 3#rootfs.wic :2101258240 -> 567023341 (3.706),2226.1 MB/s ,1323.2 MB/s 
 4#rootfs.wic :2101258240 -> 563235852 (3.731),1478.5 MB/s ,1301.2 MB/s 
 5#rootfs.wic :2101258240 -> 556117266 (3.778), 791.7 MB/s ,1281.1 MB/s 
 6#rootfs.wic :2101258240 -> 553823668 (3.794), 555.6 MB/s ,1280.9 MB/s 
 7#rootfs.wic :2101258240 -> 548395602 (3.832), 474.5 MB/s ,1338.4 MB/s 
 8#rootfs.wic :2101258240 -> 546046297 (3.848), 423.1 MB/s ,1334.5 MB/s 
 9#rootfs.wic :2101258240 -> 544786378 (3.857), 339.6 MB/s ,1371.9 MB/s 
10#rootfs.wic :2101258240 -> 533734785 (3.937), 235.0 MB/s ,1377.1 MB/s 
11#rootfs.wic :2101258240 -> 532942005 (3.943), 195.2 MB/s ,1390.1 MB/s 
12#rootfs.wic :2101258240 -> 532297587 (3.948), 137.4 MB/s ,1350.3 MB/s 
13#rootfs.wic :2101258240 -> 531871578 (3.951), 139.7 MB/s ,1408.6 MB/s 
14#rootfs.wic :2101258240 -> 530948637 (3.958), 129.1 MB/s ,1406.7 MB/s 
15#rootfs.wic :2101258240 -> 530298460 (3.962), 107.6 MB/s ,1416.1 MB/s 
16#rootfs.wic :2101258240 -> 523902127 (4.011),  63.4 MB/s ,1377.1 MB/s 
17#rootfs.wic :2101258240 -> 514581668 (4.083),  48.0 MB/s ,1303.2 MB/s 
18#rootfs.wic :2101258240 -> 504520383 (4.165),  37.9 MB/s ,1151.3 MB/s 
19#rootfs.wic :2101258240 -> 503089274 (4.177),  27.8 MB/s ,1128.1 MB/s