Here are some measurements on a Netgear WNDR3700v2 running openwrt 19.07.2 (mostly default settings, no performance related tweaks)
It has an Atheros AR7161 CPU (ath79 family).
Command line used:
flent tcp_8down -H server.name
flent tcp_8up -H server.name
flent rrul -H server.name
Routing/NAT (plain IP with DHCP and PPPoE)
No Flow Offload
| Target | Clock | Cores | SoC / CPU | Notes | 8 Dn | 8 Up | RRUL |
|---|---|---|---|---|---|---|---|
| ath79 | 680 | 1 | AR7161 | DHCP/NAT | 239 (10) |
383 (7) |
285 (13) |
| ath79 | 680 | 1 | AR7161 | PPPoE/NAT | 347 (8) |
344 (8) |
372 (11) |
With Flow Offload
| Target | Clock | Cores | SoC / CPU | Notes | 8 Dn | 8 Up | RRUL |
|---|---|---|---|---|---|---|---|
| ath79 | 680 | 1 | AR7161 | DHCP/NAT | 684 (4) |
883 (3) |
711 (5) |
| ath79 | 680 | 1 | AR7161 | PPPoE/NAT | 583 (4) |
683 (5) |
602 (5) |
Note: no SQM tested
Raw data here: https://pastebin.ubuntu.com/p/kbSfF8X4mW/