[GCC 7.2 BUILD] Optimized TP-Link Archer C7 V2 AC1750 LEDE Firmware

[Klingon]

Yes, I noticed about 30% more in performance (checked with netperf util).

Thats what my kernel log shows:

[0.000000] Clocks: CPU:1000.000MHz, DDR:760.000MHz, AHB:380.000MHz, Ref:40.000MHz
[0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 3822520893 ns
[0.000005] sched_clock: 32 bits at 500MHz, resolution 2ns, wraps every 4294967295ns
[0.008512] Calibrating delay loop... 498.89 BogoMIPS (lpj=2494464)

Wright now, I'm not using @r00t firmware, I'm using latest LEDE snapshot.

[paradoxman]

is this the method you used to overclock it, from this thread?

[Solved] Archer C7 V2.0 Overclock

Here is the step by step procedure to overclock the C5/C7. install chrome browser and breed bootloader translator plug in: https://chrome.google.com/webstore/detail/translator-for-the-breed/hmkkdkhgadgmaplnhahncddmmcdegjhi?hl=en the plug in will translate the Chinese text of breed web interface into English ssh or telnet to the router with LEDE and write down the MAC addresses of eth0,eth1,wlan0,wlan1 install kmod-mtd-rw ( or flash a firmware that already has it backed in. the mtd-rw module …

I see people that bricked them in the process of overclocking, after flashing breed u-boot...

[Klingon]

@paradoxman

s this the method you used to overclock it, from this thread?

Yes.

@paradoxman

I see people that bricked them in the process of overclocking, after flashing breed u-boot…

In my case, I had no problems. Working like a charm.

[sycohexor]

idk why mine isnt overclocking then, strange...i mean breed is there and keeps the settings, just the kernel isnt accepting them or something. Interesting.

[Klingon]

Updated today, and still working:

[    0.000000] Linux version 4.9.91 (buildbot@builds) (gcc version 7.3.0 (OpenWrt GCC 7.3.0 r6510-0f1a148) ) #0 Sat Mar 31 17:31:42 2018
[    0.000000] MyLoader: sysp=00601021, boardp=00501023, parts=00000000
[    0.000000] bootconsole [early0] enabled
[    0.000000] CPU0 revision is: 00019750 (MIPS 74Kc)

[    0.000000] Clocks: CPU:1000.000MHz, DDR:760.000MHz, AHB:380.000MHz, Ref:40.000MHz
[    0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 3822520893 ns
[    0.000005] sched_clock: 32 bits at 500MHz, resolution 2ns, wraps every 4294967295ns
[    0.008511] Calibrating delay loop... 498.89 BogoMIPS (lpj=2494464)

[sycohexor]

Maybe I’ll try reflashing

[sycohexor]

can you show all your kernel modules? maybe theres something im missing in my build.

[Klingon]

Here comes,

root@AP:~# opkg list-installed | grep -i kmod
kmod-ath - 4.9.91+2017-11-01-4
kmod-ath10k - 4.9.91+2017-11-01-4
kmod-ath9k - 4.9.91+2017-11-01-4
kmod-ath9k-common - 4.9.91+2017-11-01-4
kmod-cfg80211 - 4.9.91+2017-11-01-4
kmod-gpio-button-hotplug - 4.9.91-2
kmod-ip6tables - 4.9.91-1
kmod-ipt-conntrack - 4.9.91-1
kmod-ipt-core - 4.9.91-1
kmod-ipt-nat - 4.9.91-1
kmod-lib-crc-ccitt - 4.9.91-1
kmod-mac80211 - 4.9.91+2017-11-01-4
kmod-nf-conntrack - 4.9.91-1
kmod-nf-conntrack6 - 4.9.91-1
kmod-nf-ipt - 4.9.91-1
kmod-nf-ipt6 - 4.9.91-1
kmod-nf-nat - 4.9.91-1
kmod-nf-reject - 4.9.91-1
kmod-nf-reject6 - 4.9.91-1
kmod-nls-base - 4.9.91-1
kmod-ppp - 4.9.91-1
kmod-pppoe - 4.9.91-1
kmod-pppox - 4.9.91-1
kmod-slhc - 4.9.91-1
kmod-usb-core - 4.9.91-1
kmod-usb-ehci - 4.9.91-1
kmod-usb-ledtrig-usbport - 4.9.91-1
kmod-usb2 - 4.9.91-1
root@AP:~#

[braza]

Hello .

I have a problem and would like to know what happens.
I have a ./fslb file that works perfectly on ar71xx AC 1750 with Latest Chaos Calmer Release - OpenWrt 15.05.1

But now I've upgraded the router to LEDE with gcc 7.3 and the file does not work.

Error
Without chmod I do not have permission.

With chmod + x fslb or chmod 777 fslb there is no error, however ./fslb not found.
./fslb not found
with cmd ls o fslb is in the directory.
What happened ?

[tmomas]

@braza

But now I’ve upgraded the router to LEDE

Have you upgraded to this specific community release or to an official release available on downloads.openwrt.org?

[sycohexor]

i fixed it, after making my frequency setting changes, rather than pressing restart i just unplugged the router and it booted normally!!

[paradoxman]

have you seen any real world improvement after overclocking to 1000 mhz in comparison to the old value?

[sycohexor]

you know ever since i added a few things to my build, i was getting better performance as it was, but now that i have the overclock engaged im getting another 10-20% better on download. i was only getting 115 mbps download tops to start with on this router, now since my firmware and the breed overclocking my download is 135 mbps.

[Klingon]

Yes, about a 30% in performance.

[phinn]

What's your max download? 135Mbps max is terrible for this router. It should be capable of 800Mbps-1Gbps with no need to overclock if you look at a review like this:
https://www.smallnetbuilder.com/wireless/wireless-reviews/32498-tp-link-archer-c7-v2-reviewed

[cliobrando]

You can view some benchmarks here:

Qualcomm Fast Path For LEDE

I have successfully ported Qualcomm OpenSourced Fast Path for LEDEN Fast Path will work on ALL hardware You don't need to configure any additional settings for Fast Path as long as modules are loaded successfully it will work From my testing Fast Path improves Wireless and Wired Throughput On my WDR4300v1 running at 730MHZ I can achieve Wire Speeds https://wiki.openwrt.org/doc/howto/benchmark.nat Client connecting to 10.1.1.2, TCP port 5001 TCP window size: 0.08 MByte (default) [ 3] loc…

[Klingon]

Tested from my overclocked AP, connected via SSH to my AP Archer C7 v2:

192.168.1.2 (My AP Archer C7 v2 OC - Wifi + Ethernet)
192.168.1.1 (LEDE x86/x64 Router - only Ethernet)

root@AP:~# netperf -H 192.168.1.1 -l 60
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0) port 0 AF_INET to 192.168.1.1 (192) port 0 AF_INET : demo
Recv   Send    Send
Socket Socket  Message  Elapsed
Size   Size    Size     Time     Throughput
bytes  bytes   bytes    secs.    10^6bits/sec

 87380  16384  16384    60.00     215.55

Now upside down (Tested from my LEDE x86 Router, connected via SSH to LEDE Router):

root@LEDE:~# netperf -H 192.168.1.2 -l 60
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.2 (192.168) port 0 AF_INET : demo
Recv   Send    Send
Socket Socket  Message  Elapsed
Size   Size    Size     Time     Throughput
bytes  bytes   bytes    secs.    10^6bits/sec

 87380  16384  16384    60.02     444.21

Before Overclocking Archer C7, the results were about a 30% less.

Thanks,

[cliobrando]

I think most people are talking here of NAT speed: one device on the LAN side, and the other on the WAN side, you can follow this steps to measure NAT speed (fast classifier related):
https://wiki.openwrt.org/doc/howto/benchmark.nat

[Klingon]

When I was using my Archer C7 as router (now is working as AP) I could get 300 Mbps. via WAN/LAN (Fast Path enabled, tested via wired LAN).

[sycohexor]

That’s my bandwidth speed