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From: "Morten Brørup" <mb@smartsharesystems.com>
To: "Kai Ji" <kai.ji@intel.com>, <dev@dpdk.org>
Cc: "Bruce Richardson" <bruce.richardson@intel.com>,
	"Andrew Rybchenko" <andrew.rybchenko@oktetlabs.ru>
Subject: RE: [dpdk-dev v1] mempool: double cache max size using ABI-neutral struct compaction
Date: Fri, 21 Aug 2026 08:31:59 +0200	[thread overview]
Message-ID: <98CBD80474FA8B44BF855DF32C47DC35F65A08@smartserver.smartshare.dk> (raw)
In-Reply-To: <20260820154527.1989178-1-kai.ji@intel.com>

>  /* mempool defines */
> -#define RTE_MEMPOOL_CACHE_MAX_SIZE 512
> +#define RTE_MEMPOOL_CACHE_MAX_SIZE 1024

I don't think we should increase the default value.
If some exotic application needs an extremely large mempool cache, it can be changed at build time.

Please also consider this patch, which unconditionally allocates mempool cache for all mempools:
https://patchwork.dpdk.org/project/dpdk/patch/20260812090723.1771628-1-mb@smartsharesystems.com/


      parent reply	other threads:[~2026-08-21  6:32 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-20 15:45 [dpdk-dev v1] mempool: double cache max size using ABI-neutral struct compaction Kai Ji
2026-08-21  6:25 ` Morten Brørup
2026-08-21  6:31 ` Morten Brørup [this message]

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