diff --git a/src/NVMe-driver.md b/src/NVMe-driver.md index d38e324..6523434 100644 --- a/src/NVMe-driver.md +++ b/src/NVMe-driver.md @@ -5,6 +5,7 @@ for use in the Linux Kernel. The purpose of the driver is to provide a vehicle for development of safe Rust abstractions and to prove feasibility of Rust as an implementation language for high performance device drivers. + The Linux Rust NVMe driver lives [here](https://github.com/metaspace/linux/tree/nvme). This branch is routinely rebased on upstream Linux releases. Please be aware that the `nvme` branch is @@ -22,6 +23,34 @@ The driver is not currently suitable for general use. [slides](https://lpc.events/event/16/contributions/1180/attachments/1017/1961/deck.pdf) and [video](https://lpc.events/event/16/contributions/1180/attachments/1017/2249/go) +# Performance November 2023 ([`nvme-6.6`](https://github.com/metaspace/linux/tree/nvme-6.6)) + +## Setup + + - 12th Gen Intel(R) Core(TM) i5-12600 + - 32 GB DRAM + - 1x INTEL MEMPEK1W016GA (PCIe 3.0 x2) + - Debian Bullseye userspace + - LTO results are enabled by a build system patch (a hack) that was not yet published. + +## Results + +- 30 samples +- Difference of means modeled with t-distribution +- P99 confidence intervals + +![](rnvme/nvme-all-6.6.svg) + +### Difference + +![](rnvme/nvme-diff-6.6.svg) + +### Difference Relative + +Plot shows `(mean_iops_r - mean_iops_c) / mean_iops_c`' + +![](rnvme/nvme-diff-relative-6.6.svg) + # Performance September 2023 The driver was diff --git a/src/rnvme/nvme-all-6.6.svg b/src/rnvme/nvme-all-6.6.svg new file mode 100644 index 0000000..6ed533b --- /dev/null +++ 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