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[73.241.149.213]) by smtp.googlemail.com with ESMTPSA id d88sm2596660pjk.23.2021.02.02.01.40.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Feb 2021 01:40:28 -0800 (PST) To: libc-alpha@sourceware.org Subject: [PATCH v3 2/2] x86: Add additional benchmarks for strchr Date: Tue, 2 Feb 2021 04:39:56 -0500 Message-Id: <20210202093956.2613423-2-goldstein.w.n@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210202093956.2613423-1-goldstein.w.n@gmail.com> References: <20210202093956.2613423-1-goldstein.w.n@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-12.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: "goldstein.w.n--- via Libc-alpha" From: develop--- via Libc-alpha Reply-To: goldstein.w.n@gmail.com Cc: goldstein.w.n@gmail.com Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" From: noah This patch adds additional benchmarks for string size of 4096 and several benchmarks for string size 256 with different alignments. Signed-off-by: noah --- benchtests/bench-strchr.c | 79 ++++++++++++++++++++++++++------------- 1 file changed, 53 insertions(+), 26 deletions(-) diff --git a/benchtests/bench-strchr.c b/benchtests/bench-strchr.c index bf493fe458..ce7ffd354d 100644 --- a/benchtests/bench-strchr.c +++ b/benchtests/bench-strchr.c @@ -100,9 +100,12 @@ do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char) size_t i; CHAR *result; CHAR *buf = (CHAR *) buf1; - align &= 15; + align &= 127; if ((align + len) * sizeof (CHAR) >= page_size) - return; + { + return; + } + for (i = 0; i < len; ++i) { @@ -146,40 +149,64 @@ test_main (void) putchar ('\n'); for (i = 1; i < 8; ++i) - { - do_test (0, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR); - do_test (i, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR); - } + { + do_test (0, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR); + do_test (i, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR); + } for (i = 1; i < 8; ++i) - { - do_test (i, 64, 256, SMALL_CHAR, MIDDLE_CHAR); - do_test (i, 64, 256, SMALL_CHAR, BIG_CHAR); - } + { + do_test (0, 16 << i, 4096, SMALL_CHAR, MIDDLE_CHAR); + do_test (i, 16 << i, 4096, SMALL_CHAR, MIDDLE_CHAR); + } + + for (i = 1; i < 8; ++i) + { + do_test (i, 64, 256, SMALL_CHAR, MIDDLE_CHAR); + do_test (i, 64, 256, SMALL_CHAR, BIG_CHAR); + } + + for (i = 0; i < 8; ++i) + { + do_test (16 * i, 256, 512, SMALL_CHAR, MIDDLE_CHAR); + do_test (16 * i, 256, 512, SMALL_CHAR, BIG_CHAR); + } for (i = 0; i < 32; ++i) - { - do_test (0, i, i + 1, SMALL_CHAR, MIDDLE_CHAR); - do_test (0, i, i + 1, SMALL_CHAR, BIG_CHAR); - } + { + do_test (0, i, i + 1, SMALL_CHAR, MIDDLE_CHAR); + do_test (0, i, i + 1, SMALL_CHAR, BIG_CHAR); + } for (i = 1; i < 8; ++i) - { - do_test (0, 16 << i, 2048, 0, MIDDLE_CHAR); - do_test (i, 16 << i, 2048, 0, MIDDLE_CHAR); - } + { + do_test (0, 16 << i, 2048, 0, MIDDLE_CHAR); + do_test (i, 16 << i, 2048, 0, MIDDLE_CHAR); + } for (i = 1; i < 8; ++i) - { - do_test (i, 64, 256, 0, MIDDLE_CHAR); - do_test (i, 64, 256, 0, BIG_CHAR); - } + { + do_test (0, 16 << i, 4096, 0, MIDDLE_CHAR); + do_test (i, 16 << i, 4096, 0, MIDDLE_CHAR); + } + + for (i = 1; i < 8; ++i) + { + do_test (i, 64, 256, 0, MIDDLE_CHAR); + do_test (i, 64, 256, 0, BIG_CHAR); + } + + for (i = 0; i < 8; ++i) + { + do_test (16 * i, 256, 512, 0, MIDDLE_CHAR); + do_test (16 * i, 256, 512, 0, BIG_CHAR); + } for (i = 0; i < 32; ++i) - { - do_test (0, i, i + 1, 0, MIDDLE_CHAR); - do_test (0, i, i + 1, 0, BIG_CHAR); - } + { + do_test (0, i, i + 1, 0, MIDDLE_CHAR); + do_test (0, i, i + 1, 0, BIG_CHAR); + } return ret; }