From: Scott Mitchell <scott.k.mitch1@gmail.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: dev@dpdk.org, mb@smartsharesystems.com
Subject: Re: [PATCH v9] net: optimize raw checksum computation
Date: Fri, 9 Jan 2026 22:46:42 -0500 [thread overview]
Message-ID: <CAFn2buBVLdeJmFyHvtazkHXUv7vTeaK_61nxc6b6PsVGTMajCw@mail.gmail.com> (raw)
In-Reply-To: <CAFn2buA5NzmzA0+t1_5auigvQTyT7Ne6RMVaPVU=sdC03nd2Lg@mail.gmail.com>
Cross posting from v11 thread:
https://godbolt.org/z/qr39hf76s
rte_ipv4_phdr_cksum and rte_ipv6_phdr_cksum are both fully unrolled
(-O2 or higher). Vectorization also happens (clang chooses
not to vectorize ipv4). yay compilers :)
prev parent reply other threads:[~2026-01-10 3:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-08 21:47 scott.k.mitch1
2026-01-09 5:34 ` Stephen Hemminger
2026-01-09 5:36 ` Stephen Hemminger
2026-01-09 5:39 ` Stephen Hemminger
2026-01-09 17:50 ` Scott Mitchell
2026-01-10 3:46 ` Scott Mitchell [this message]
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