From: Stephen Hemminger <stephen@networkplumber.org>
To: "Morten Brørup" <mb@smartsharesystems.com>
Cc: <dev@dpdk.org>, "Yipeng Wang" <yipeng1.wang@intel.com>,
"Sameh Gobriel" <sameh.gobriel@intel.com>,
"Bruce Richardson" <bruce.richardson@intel.com>,
"Vladimir Medvedkin" <vladimir.medvedkin@intel.com>
Subject: Re: [RFC 1/3] hash: move table of hash compare functions out of header
Date: Fri, 22 Aug 2025 09:50:45 -0700 [thread overview]
Message-ID: <20250822095045.12a04c9f@hermes.local> (raw)
In-Reply-To: <98CBD80474FA8B44BF855DF32C47DC35E9FE5F@smartserver.smartshare.dk>
On Fri, 22 Aug 2025 11:05:06 +0200
Morten Brørup <mb@smartsharesystems.com> wrote:
> Nice trick explicitly indexing these here; it reduces the risk of not matching the cmp_jump_table_case.
Yes, there were bugs in other code because of table mismatches.
>
> Consider adding static_assert() that RTE_DIM(cmp_jump_table) == NUM_KEY_CMP_CASES.
Since array is explictly sized probably not needed.
next prev parent reply other threads:[~2025-08-22 20:51 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-21 20:35 [RFC 0/3] hash: optimize compare logic Stephen Hemminger
2025-08-21 20:35 ` [RFC 1/3] hash: move table of hash compare functions out of header Stephen Hemminger
2025-08-22 9:05 ` Morten Brørup
2025-08-22 16:50 ` Stephen Hemminger [this message]
2025-08-21 20:35 ` [RFC 2/3] hash: reduce architecture special cases Stephen Hemminger
2025-08-22 9:20 ` Morten Brørup
2025-08-21 20:35 ` [RFC 3/3] hash: add support for common small key sizes Stephen Hemminger
2025-08-22 7:19 ` Mattias Rönnblom
2025-08-22 9:50 ` Morten Brørup
2025-08-22 15:05 ` Mattias Rönnblom
2025-08-22 18:57 ` Morten Brørup
2025-08-22 16:12 ` Stephen Hemminger
2025-08-22 18:19 ` [PATCH v2 0/4] Cuckoo hash cleanup and optimizations Stephen Hemminger
2025-08-22 18:19 ` [PATCH v2 1/4] hash: move table of hash compare functions out of header Stephen Hemminger
2025-08-22 18:19 ` [PATCH v2 2/4] hash: use static_assert Stephen Hemminger
2025-08-22 18:19 ` [PATCH v2 3/4] hash: reduce architecture special cases Stephen Hemminger
2025-08-22 18:19 ` [PATCH v2 4/4] hash: add support for common small key sizes Stephen Hemminger
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