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[73.71.208.212]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-315863b761asm14647255eec.1.2026.08.04.17.48.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Aug 2026 17:48:09 -0700 (PDT) From: Peter Taraba To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, peter.schuster.taraba@gmail.com Subject: Re: [PATCH] lib: add statsort(), a distribution/bucket sort Date: Tue, 4 Aug 2026 17:47:45 -0700 Message-ID: <20260805004745.81449-1-peter.schuster.taraba@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260804173557.782c7ed2242a19ca831c62f1@linux-foundation.org> References: <20260804173557.782c7ed2242a19ca831c62f1@linux-foundation.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit here are again benchamrks for large arrays: == n = 100000000 distribution = uniform == statsort_longs best of 1: 9.0722 s ( 90.72 ns/elem) sort (kernel) best of 1: 171.2293 s (1712.29 ns/elem) qsort (libc) best of 1: 18.4959 s ( 184.96 ns/elem) == n = 100000000 distribution = gaussian == statsort_longs best of 1: 8.6535 s ( 86.54 ns/elem) sort (kernel) best of 1: 170.0339 s (1700.34 ns/elem) qsort (libc) best of 1: 17.1339 s ( 171.34 ns/elem) Faster than qsort (~twice faster) and way faster than qsort(~19 times faster) for both uniform and gaussian distribution. I only tested with other c file, which I have not included in this patch. Would you like me to add tests? I can easily do so. As far as usage, just open your mind... I can't tell all my secrets, because I don't want Microsoft to steal them and pretend it was their idea :)