Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

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Score: 5,274

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 13, 2024 18:29	5,214	36,088,628	15,643,000	1,042,000	2,371,584
2	Jun 13, 2024 18:29	5,215	42,862,987	16,689,000	0	2,375,680
3	Jun 13, 2024 18:29	5,235	32,284,418	16,752,000	0	2,293,760
4	Jun 13, 2024 18:29	5,254	42,192,747	14,836,000	1,978,000	2,297,856
5	Jun 13, 2024 18:34	5,268	36,325,999	14,875,000	1,983,000	2,371,584
6	Jun 13, 2024 18:29	5,268	37,989,717	14,876,000	1,983,000	2,379,776
7	Jun 13, 2024 18:34	5,269	42,953,951	14,878,000	1,983,000	2,293,760
8	Jun 13, 2024 18:29	5,269	42,513,660	15,871,000	991,000	2,371,584
9	Jun 13, 2024 18:34	5,269	43,062,186	14,879,000	1,983,000	2,473,984
10	Jun 13, 2024 18:29	5,270	42,011,557	16,864,000	0	2,367,488
11	Jun 13, 2024 18:34	5,270	40,056,666	15,873,000	992,000	2,293,760
12	Jun 13, 2024 18:29	5,271	46,642,263	15,876,000	992,000	2,293,760
13	Jun 13, 2024 18:34	5,272	43,943,585	15,877,000	992,000	2,367,488
14	Jun 13, 2024 18:34	5,272	35,478,618	14,885,000	1,984,000	2,371,584
15	Jun 13, 2024 18:29	5,273	45,031,368	15,880,000	992,000	2,371,584
16	Jun 13, 2024 18:29	5,273	46,855,736	16,875,000	0	2,363,392
17	Jun 13, 2024 18:29	5,274	35,864,754	14,893,000	1,985,000	2,293,760
18	Jun 13, 2024 18:29	5,274	41,440,551	14,893,000	1,985,000	2,293,760
19	Jun 13, 2024 18:29	5,274	35,820,762	15,886,000	992,000	2,371,584
20	Jun 13, 2024 18:34	5,275	32,896,743	14,894,000	1,985,000	2,375,680
21	Jun 13, 2024 18:29	5,276	34,367,822	15,891,000	993,000	2,359,296
22	Jun 13, 2024 18:29	5,276	42,636,565	16,884,000	0	2,293,760
23	Jun 13, 2024 18:34	5,277	45,237,525	15,892,000	993,000	2,367,488
24	Jun 13, 2024 18:29	5,277	48,565,236	15,892,000	993,000	2,367,488
25	Jun 13, 2024 18:29	5,279	32,448,266	15,900,000	993,000	2,371,584
26	Jun 13, 2024 18:29	5,281	41,821,242	14,910,000	1,988,000	2,293,760
27	Jun 13, 2024 18:34	5,292	34,096,459	14,943,000	1,992,000	2,293,760
28	Jun 13, 2024 18:34	5,458	66,680,633	17,465,148	0	2,244,608
29	Jun 13, 2024 18:29	5,466	98,040,354	17,490,088	0	2,260,992
30	Jun 13, 2024 18:34	5,470	77,542,972	17,503,297	0	2,244,608
31	Jun 13, 2024 18:29	5,477	62,452,105	17,527,862	0	2,240,512
32	Jun 13, 2024 18:29	5,487	89,578,438	17,556,839	0	2,240,512
33	Jun 13, 2024 18:29	5,505	75,003,638	17,616,746	0	2,236,416
34	Jun 13, 2024 18:34	5,528	70,453,204	17,690,272	0	2,367,488
35	Jun 13, 2024 18:29	5,530	98,523,166	17,696,986	0	2,248,704
36	Jun 13, 2024 18:29	5,538	87,779,236	17,722,779	0	2,387,968

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1