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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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 10, 2024 10:34	5,196	47,709,682	15,587,000	1,039,000	2,371,584
2	Jun 9, 2024 22:03	5,207	37,919,576	15,620,000	1,041,000	2,371,584
3	Jun 9, 2024 22:08	5,208	38,789,242	15,624,000	1,041,000	2,367,488
4	Jun 9, 2024 22:03	5,209	35,837,137	16,668,000	0	2,293,760
5	Jun 10, 2024 10:34	5,210	43,968,186	15,631,000	1,042,000	2,293,760
6	Jun 9, 2024 22:08	5,211	46,174,181	16,674,000	0	2,293,760
7	Jun 9, 2024 22:03	5,213	37,652,161	15,638,000	1,042,000	2,375,680
8	Jun 9, 2024 22:03	5,213	41,775,681	16,680,000	0	2,494,464
9	Jun 10, 2024 10:34	5,213	43,361,154	16,680,000	0	2,293,760
10	Jun 9, 2024 22:08	5,217	41,427,088	15,651,000	1,043,000	2,293,760
11	Jun 9, 2024 22:03	5,219	52,367,007	16,700,000	0	2,293,760
12	Jun 10, 2024 10:34	5,221	43,309,147	15,662,000	1,044,000	2,367,488
13	Jun 9, 2024 22:03	5,222	45,391,816	16,709,000	0	2,375,680
14	Jun 10, 2024 10:34	5,226	43,909,346	16,724,000	0	2,293,760
15	Jun 9, 2024 22:08	5,227	49,943,556	16,725,000	0	2,502,656
16	Jun 9, 2024 22:03	5,228	48,391,287	15,683,000	1,045,000	2,359,296
17	Jun 10, 2024 10:34	5,268	44,315,417	14,873,000	1,983,000	2,293,760
18	Jun 10, 2024 10:34	5,269	41,016,398	15,869,000	991,000	2,371,584
19	Jun 9, 2024 22:08	5,271	43,022,461	16,867,000	0	2,293,760
20	Jun 10, 2024 10:34	5,271	38,131,090	16,866,000	0	2,371,584
21	Jun 10, 2024 10:34	5,272	43,884,276	14,885,000	1,984,000	2,293,760
22	Jun 9, 2024 22:08	5,272	35,425,369	14,887,000	1,984,000	2,367,488
23	Jun 9, 2024 22:08	5,273	44,136,902	15,881,000	992,000	2,293,760
24	Jun 9, 2024 22:03	5,273	50,890,891	15,882,000	992,000	2,293,760
25	Jun 9, 2024 22:03	5,274	44,728,584	15,885,000	992,000	2,367,488
26	Jun 9, 2024 22:08	5,274	51,980,871	15,884,000	992,000	2,371,584
27	Jun 9, 2024 22:08	5,288	42,907,912	14,930,000	1,990,000	2,375,680
28	Jun 10, 2024 10:34	5,489	82,249,075	17,565,826	0	2,240,512
29	Jun 9, 2024 22:03	5,496	88,108,657	17,588,779	0	2,248,704
30	Jun 9, 2024 22:08	5,519	75,322,910	17,661,519	0	2,260,992
31	Jun 9, 2024 22:08	5,520	87,606,339	17,664,204	0	2,244,608
32	Jun 10, 2024 10:34	5,551	85,098,053	17,761,862	0	2,248,704
33	Jun 9, 2024 22:03	5,592	80,884,784	17,895,653	0	2,248,704
34	Jun 10, 2024 10:34	5,621	95,842,125	17,988,505	0	2,240,512
35	Jun 9, 2024 22:08	5,627	91,494,654	18,005,668	0	2,256,896
36	Jun 9, 2024 22:03	5,638	103,581,195	18,040,723	0	2,256,896

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