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Kernel Space: systemd, remote direct memory access (RDMA), and ZLUDA

Submitted by Roy Schestowitz on Tuesday 23rd of February 2021 04:45:34 AM Filed under
Graphics/Benchmarks
Linux
  • systemd 248 RC1 Released With New "System Extension Images" Concept

    The first release candidate of systemd 248 is now available with a number of improvements ranging from a new "system extensions images" concept to the out-of-memory daemon (OOMD) being declared stable.

  • RDMA Changes For Linux 5.12 Add DMA-BUF Support For Peer-To-Peer Transfers With GPUs - Phoronix

    The changes within the remote direct memory access (RDMA) subsystem for Linux 5.12 are deemed "quite small" but there is one interesting addition courtesy of Intel.

    Covered last year on Phoronix was the Intel-led work on DMA-BUF support for RDMA for supporting peer-to-peer transactions over PCI Express between RDMA-enabled NICs and other PCIe devices, such as graphics cards. That peer-to-peer support via DMA-BUF with a focus on GPU support is what's coming in Linux 5.12.

  • ZLUDA v2 Released For Drop-In CUDA On Intel Graphics - Phoronix

    One of many interesting and original open-source projects to be started in 2020 was ZLUDA, an open-spurce drop-in CUDA implementation for Intel graphics. ZLUDA - developed independent of Intel and NVIDIA - is built atop Intel's oneAPI Level Zero interface (hence the name, ZLUDA) and allows for unmodified CUDA applications to run on Intel UHD/Xe Graphics hardware with near-native performance. Well, that's the goal at least but with the initial ZLUDA release were a number of support limitations.

    Out today is ZLUDA Version 2 that has been focused on ensuring it works well with the Geekbench CUDA test cases as an interesting stressor for CUDA on Intel graphics. Additionally, the Microsoft Windows support for ZLUDA has been improved while continuing to provide first-rate Linux support.

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