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shivanshvij

HN member
Joined
Thu, Aug 25, 2022, 1:08 PM UTC
HN karma
25
Public activity
21 items

About shivanshvij

Founder @ https://loopholelabs.io

Recent public activity

  1. comment
    Comment #48207999

    We started an Ollama container on a MacBook. There's no NVIDIA GPU, no CUDA toolkit, and macOS doesn't even have CUDA drivers. Ollama found an NVIDIA GPU anyway: A 128 GB Blackwell…

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    Comment #46673814

    Founder of loophole labs here! Cilium is definitely the gold standard if you’re working with Kubernetes clusters and need a full CNI, but if you want to extend CNI functionality wi…

  4. comment
    Comment #45826568

    Sorry about that! It's fixed!

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    Comment #45826561

    Sorry about that, we've fixed it!

  6. comment
    Comment #45826545

    That's a great point. This was one of my iPerf3 runs at one point: `iperf3 -c 172.31.45.187 -p 5201 -P 128 -t 5 -b 512M -u -l 1448 --bidir | grep "\[SUM\]\[\(TX\|RX\)-C\].*receiver…

  7. comment
    Comment #45826529

    It is! We demo'd it on stage at KubeCon last hear: https://loophole.sh/kc2024

  8. comment
    Comment #45825932

    Wow thank for the recording! We were able to push out a fix, should be workin g now!

  9. comment
    Comment #45825086

    No this was multiple connections - and we tried with both `iperf2` and `iperf3`, UDP and TCP traffic. UDP actually does much worse on `iptables` than TCP, and I'm not sure why just…

  10. comment
    Comment #45825050

    We absolutely ran into these issues. A couple notes that help quite a bit: 1. Always build the eBPF programs in a container - this is great for reproducibility of course, but also …

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    Comment #45824761

    Oh no we absolutely have to also correct the IPv4 header checksum!

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    Comment #45824006

    Awesome we’ll be looking forward to it!

  13. comment
    Comment #45823999

    Actually the latest benchmarks were ran on a Fedora 43 host, which as far as I can tell uses the nftables backend for iptables!

  14. comment
    Comment #45823989

    As far as we can tell, it’s a mixture of a lot of things. One of the questions I got asked was how useful this is if you have a smaller performance requirement than 200Gbps (or, ma…

  15. comment
    Comment #45814990

    Hi HN, Shivansh (founder) here, happy to answer any questions folks might have about the implementation and the benchmarks!

  16. comment
    Comment #45812757

    XDP (eXpress Data Path) is the fastest packet processing framework in linux - but it only works for incoming (ingress) traffic. We discovered how to use it for outgoing (egress) tr…

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  19. comment
    Comment #35152972

    Hey Everyone, Founder of Loophole Labs here! The team and I are happy to answer any questions you might have about Scale Functions or Loophole Labs in general!

  20. comment
    Comment #32597028

    We wrote fRPC because we really liked the DevX and tooling around the proto3 syntax, but we needed the generated code to be significantly more performant than what gRPC provides. W…

  21. comment
    Comment #32595873

    Hey Everyone, Founder of Loophole Labs here. The team and I are happy to answer any questions you might have about fRPC, Frisbee, or Loophole in general!