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Satori vs. Alchemy: performance differences?

Discussion in 'Sveasoft Firmware' started by JP, Apr 29, 2005.

  1. JP

    JP Network Guru Member

    Hey folks,

    Has anyone done any kind of benchmarking to see if Alchemy has faster throughput than Satori? I seem to remember people complaining that Satori limited their throughput (and thereby switching to HyperWRT).

    Anyone have any figures?

    JP
     
  2. littlewhoo

    littlewhoo Network Guru Member

    You can do some benchmarks with tools like iperf or netio.

    The maximum wireless speed with Alchmey is about 1,6 MByte/s. With Satori you can get up to 3,1 MByte/s.

    One reason for this difference is, that Alchemy is using a new version of the Linksys wlan driver, which is acutally much slower than the older version. I'm not exactly sure, why Sveasoft did switch to this new driver, but I think that I have read somewhere, that they had to do this due to changes of the kernel version.

    The other reason fot the speed difference is, that Alchemy has much more features than Satori and therefore more stuff running in the background and slowing down the router.

    With Talisman the situation is a little bit better (~2,5 MByte/s), but the wireless speed is still below the speed you could get with Satori or Satori-Turbo.

    But I guess there can't be done too much about that, unless Linksys/Broadcom decides to provide a better/bugfixed version of their wireless driver or to release the sourcecode of the driver. The speed of the older drivers clearly shows, that this is not a hardware issue and that these unit *can* give better wireless speeds.
     
  3. Disman_ca

    Disman_ca Super Moderator Staff Member Member

    The reason for changing the wireless driver to a newer version was to extend the support for the newer broadcom chips in the later versions of thw wrt54 series. Unfortunatley the performance suffers due to this but I think most people would agree it is worth the loss to get the firmware to support the majority of router hardware versions. Idealy if Broadcom was to release the source for the driver then the performance issues could be sorted out.

    Rumor has it that Linksys has a new wireless driver from Broadcom in the beta version that is now available from LI.org. Once the firmware is released from Linksys, all the 3rd party forks of the firmware will have the updated driver available to them to compile into their projects. :) can't wait for that.
     

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