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 9, 2024 21:42	5,330	46,293,802	15,050,000	2,006,000	2,293,760
2	Jun 9, 2024 21:41	5,342	42,331,926	16,088,000	1,005,000	2,371,584
3	Jun 9, 2024 21:42	5,345	41,689,770	15,091,000	2,012,000	2,293,760
4	Jun 9, 2024 21:41	5,345	47,830,843	15,093,000	2,012,000	2,293,760
5	Jun 9, 2024 21:42	5,345	40,890,210	15,092,000	2,012,000	2,367,488
6	Jun 9, 2024 21:42	5,345	38,841,705	15,093,000	2,012,000	2,293,760
7	Jun 9, 2024 21:42	5,347	43,673,855	15,097,000	2,012,000	2,367,488
8	Jun 9, 2024 21:42	5,349	42,101,180	16,111,000	1,006,000	2,371,584
9	Jun 9, 2024 21:42	5,351	34,386,215	15,109,000	2,014,000	2,375,680
10	Jun 9, 2024 21:41	5,351	37,419,225	16,117,000	1,007,000	2,293,760
11	Jun 9, 2024 21:42	5,353	46,747,292	16,122,000	1,007,000	2,482,176
12	Jun 9, 2024 21:42	5,354	47,662,563	15,119,000	2,015,000	2,293,760
13	Jun 9, 2024 21:41	5,354	41,928,957	16,126,000	1,007,000	2,293,760
14	Jun 9, 2024 21:41	5,354	39,357,392	15,119,000	2,015,000	2,293,760
15	Jun 9, 2024 21:42	5,355	44,582,460	15,120,000	2,016,000	2,379,776
16	Jun 9, 2024 21:41	5,357	46,161,896	15,126,000	2,016,000	2,371,584
17	Jun 9, 2024 21:41	5,358	42,945,869	16,136,000	1,008,000	2,293,760
18	Jun 9, 2024 21:42	5,359	33,102,673	15,132,000	2,017,000	2,367,488
19	Jun 9, 2024 21:42	5,361	42,883,382	15,136,000	2,018,000	2,293,760
20	Jun 9, 2024 21:42	5,361	41,437,759	15,138,000	2,018,000	2,293,760
21	Jun 9, 2024 21:41	5,362	37,226,078	16,150,000	1,009,000	2,371,584
22	Jun 9, 2024 21:42	5,371	39,081,158	16,177,000	1,011,000	2,375,680
23	Jun 9, 2024 21:41	5,371	40,557,810	15,166,000	2,022,000	2,293,760
24	Jun 9, 2024 21:42	5,374	43,673,309	16,185,000	1,011,000	2,293,760
25	Jun 9, 2024 21:42	5,388	41,096,013	15,215,000	2,028,000	2,469,888
26	Jun 9, 2024 21:42	5,400	32,982,114	16,263,000	1,016,000	2,371,584
27	Jun 9, 2024 21:42	5,400	37,885,913	15,247,000	2,032,000	2,293,760
28	Jun 9, 2024 21:42	5,589	85,754,085	17,885,164	0	2,244,608
29	Jun 9, 2024 21:41	5,589	90,258,269	17,884,854	0	2,248,704
30	Jun 9, 2024 21:41	5,592	79,272,231	17,894,926	0	2,244,608
31	Jun 9, 2024 21:42	5,616	85,835,615	17,970,338	0	2,256,896
32	Jun 9, 2024 21:42	5,622	79,574,571	17,990,238	0	2,252,800
33	Jun 9, 2024 21:42	5,629	82,920,478	18,013,735	0	2,256,896
34	Jun 9, 2024 21:42	5,631	70,820,915	18,018,188	0	2,260,992
35	Jun 9, 2024 21:42	5,633	105,217,266	18,024,783	0	2,248,704
36	Jun 9, 2024 21:41	5,642	131,573,009	18,052,969	0	2,273,280

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