linux-kernel - Re: [PATCH v7 4/5] rust: add find_bit_benchmark

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Message-ID: <aAkbw0jEp_IGzvgB@yury>
Date: Wed, 23 Apr 2025 12:56:35 -0400
From: Yury Norov <yury.norov@...il.com>
To: Burak Emir <bqe@...gle.com>
Cc: Rasmus Villemoes <linux@...musvillemoes.dk>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>,
	rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 4/5] rust: add find_bit_benchmark_rust module.

Thanks!

On Wed, Apr 23, 2025 at 01:43:36PM +0000, Burak Emir wrote:
> Microbenchmark protected by a config FIND_BIT_BENCHMARK_RUST,
> following `find_bit_benchmark.c` but testing the Rust Bitmap API.

So? Can you show your numbers?

Can you print the existing C test output back to back with the new one?
Can you also ask 0-day folks to enable your test in their rust config?
 
> We add a fill_random() method protected by the config in order to
> maintain the abstraction.
> 
> Minor fix to the documentation of the corresponding C config
> FIND_BIT_BENCHMARK, it was mentioning the wrong module name.

Indeed. Can you make it a separate patch, please?
  
Thanks,
Yury

> 
> Suggested-by: Alice Ryhl <aliceryhl@...gle.com>
> Suggested-by: Yury Norov <yury.norov@...il.com>
> Signed-off-by: Burak Emir <bqe@...gle.com>