Baseline PolyMix-4 Results Product Total Price (US$) Peak Throughput Response Time (sec) Savings (%) $1,000 can buy Minimum Downtime (minutes) Cache Age (hour) req/sec Mb/sec Hit All Miss Xact Bwidth hit/sec req/sec Aratech C3100 14900 1500 83 0.101 1.40 2.70 51.18 33.60 52 101 3.07 17.45 BBGCache 7595 700 38 0.053 1.32 2.64 51.92 34.52 48 92 2.50 15.61 Chamomile 2500 300 16 0.307 1.68 2.88 46.79 29.21 56 120 n/a 10.48 iCache  400 3250 800 44 0.081 1.30 2.66 52.79 38.01 130 246 1.01 10.11 iCache 2500 26950 2700 144 0.021 1.26 2.67 52.93 38.73 53 100 3.24 15.40 iMimic 9895 1100 60 0.140 1.49 3.00 52.58 38.34 59 111 n/a 31.44 Kotetu 2000 200 11 0.199 1.53 2.75 47.86 29.11 48 100 4.35 26.73 Pyramid 4950 1276 69 0.041 1.30 2.66 51.88 37.31 134 258 1.85 15.04 Stratacache E-55 3895 500 27 0.024 1.26 2.66 53.20 39.13 68 128 n/a 6.44 Stratacache F-120 8695 1200 65 0.028 1.31 2.66 51.29 37.03 71 138 2.15 8.39 Swell 1000 2549 130 7 0.025 1.64 2.69 39.41 31.69 20 51 1.96 35.86 TNCLABS 9000 1250 67 0.017 1.29 2.65 51.78 37.54 72 139 1.49 8.12

PolyMix-4 Results for Microcaches Product Total Price (US$) Peak Throughput Response Time (sec) Savings (%) $1,000 can buy Minimum Downtime (minutes) Cache Age (hour) req/sec Mb/sec Hit All Miss Xact Bwidth hit/sec req/sec Stratacache D-10 699 120 7 0.047 1.34 2.76 52.45 35.06 90 172 1.42 24.27 Stratacache D-25 999 325 17 0.017 1.29 2.65 51.58 38.04 168 326 n/a 9.31

WebAxe-4 Results Product Total Price (US$) Peak Throughput Response Time (sec) Savings (%) $1,000 can buy req/sec Mb/sec Hit All Miss Xact Bwidth hit/sec req/sec Chamomile 2500 1000 46 0.244 0.38 0.69 69.30 52.00 277 400 Swell 1000 2549 260 12 0.242 0.35 0.64 70.74 56.28 72 102

Label Full product name Price (US$) Avail able (mm/yy) CPU (MHz) RAM (MB) Cache disks (n · GB) Rack Space (RU) Cache (GB) Software Aratech C3100 Aratech C3100 14900 01/02 1000 1024 5 · 36 3 180 Jaguar2000 BBGCache BBG B1100 7595 01/02 1000 1024 2 · 36 3 72 Jaguar2000 Chamomile Chamomile 2500 11/01 450 1024 6 · 09 3 24 Chamomile iCache  400 CinTel iCache 400 3250 11/01 850 512 2 · 30 2 57 iMimic DataReactorCore on FreeBSD 4.4 iCache 2500 CinTel iCache 2500 26950 11/01 1500 2048 8 · 36 4 276 iMimic DataReactorCore on FreeBSD 4.4 iMimic iMimic DataReactor 2100 9895 11/01 1462 1024 4 · 60 n/m 233 iMimic DataReactorCore on Red Hat Linux 7.2 Kotetu NAIST Kotetu v1.5 2000 11/01 550 512 6 · 08 n/m 50 Linux 2.4.8 + Kotetu v1.5 Pyramid i-Cache C 4950 11/01 700 1024 3 · 46 1 132 iMimic DataReactorCore on FreeBSD 4.4 Stratacache D-10 Stratacache Dart D-10 699 11/01 300 128 1 · 20 n/m 20 iMimic DataReactorCore on FreeBSD 4.4 Stratacache D-25 Stratacache Dart D-25 999 11/01 850 256 1 · 20 n/m 20 iMimic DataReactorCore on FreeBSD 4.4 Stratacache E-55 Stratacache Express E-55 3895 11/01 933 512 1 · 36 n/m 20 iMimic DataReactorCore on FreeBSD 4.4 Stratacache F-120 Stratacache Flyer F-120 8695 11/01 1000 1024 2 · 36 1 72 iMimic DataReactorCore on FreeBSD 4.4 Swell 1000 Swell Technology Tsunami 1000 + Squid-2.5 2549 12/01 1000 2048 2 · 20 1 40 Linux-2.4.13 + Squid-2.5 TNCLABS TNCLABS Cachework CE1200 9000 11/01 933 1024 2 · 36 1 69 iMimic DataReactorCore on FreeBSD 4.4