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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Hal F

Score: 4,855

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 2, 2023 16:57	4,783	35,054,194	14,285,000	1,020,000	2,289,664
2	Jan 2, 2023 16:35	4,797	37,679,121	14,328,000	1,023,000	2,379,776
3	Jan 2, 2023 16:15	4,797	32,901,139	13,305,000	2,046,000	2,269,184
4	Jan 2, 2023 16:15	4,798	39,564,456	13,308,000	2,047,000	2,289,664
5	Jan 2, 2023 16:15	4,811	34,369,511	13,342,000	2,052,000	2,289,664
6	Jan 2, 2023 16:57	4,813	37,772,897	14,377,000	1,026,000	2,289,664
7	Jan 2, 2023 16:35	4,821	33,903,225	15,428,000	0	2,269,184
8	Jan 2, 2023 16:35	4,833	36,081,572	14,436,000	1,031,000	2,269,184
9	Jan 2, 2023 16:35	4,836	33,207,049	14,445,000	1,031,000	2,277,376
10	Jan 2, 2023 16:15	4,839	37,147,903	14,452,000	1,032,000	2,265,088
11	Jan 2, 2023 16:35	4,841	32,904,230	15,491,000	0	2,289,664
12	Jan 2, 2023 16:35	4,847	33,271,717	14,477,000	1,034,000	2,289,664
13	Jan 2, 2023 16:35	4,847	38,575,176	15,509,000	0	2,531,328
14	Jan 2, 2023 16:35	4,848	33,510,163	15,514,000	0	2,277,376
15	Jan 2, 2023 16:15	4,849	35,833,674	14,483,000	1,034,000	2,531,328
16	Jan 2, 2023 16:15	4,851	33,140,555	14,489,000	1,034,000	2,289,664
17	Jan 2, 2023 16:57	4,854	43,435,306	14,498,000	1,035,000	2,379,776
18	Jan 2, 2023 16:35	4,854	38,731,692	14,498,000	1,035,000	2,289,664
19	Jan 2, 2023 16:57	4,855	32,502,819	14,500,000	1,035,000	2,531,328
20	Jan 2, 2023 16:57	4,856	35,448,179	14,504,000	1,036,000	2,523,136
21	Jan 2, 2023 16:57	4,873	34,024,650	14,554,000	1,039,000	2,269,184
22	Jan 2, 2023 16:57	4,873	34,422,989	14,553,000	1,039,000	2,265,088
23	Jan 2, 2023 16:15	4,873	38,916,641	14,555,000	1,039,000	2,289,664
24	Jan 2, 2023 16:57	4,877	32,123,125	14,565,000	1,040,000	2,289,664
25	Jan 2, 2023 16:57	4,880	43,833,634	14,575,000	1,041,000	2,289,664
26	Jan 2, 2023 16:15	4,896	36,591,235	14,623,000	1,044,000	2,277,376
27	Jan 2, 2023 16:15	4,901	31,458,064	14,637,000	1,045,000	2,367,488
28	Jan 2, 2023 16:15	5,032	69,210,735	16,101,521	0	2,293,760
29	Jan 2, 2023 16:15	5,033	63,717,887	16,105,541	0	2,293,760
30	Jan 2, 2023 16:35	5,046	78,589,485	16,146,585	0	2,301,952
31	Jan 2, 2023 16:57	5,058	91,587,485	16,187,060	0	2,297,856
32	Jan 2, 2023 16:57	5,060	97,555,470	16,192,598	0	2,297,856
33	Jan 2, 2023 16:15	5,060	69,618,746	16,190,895	0	2,174,976
34	Jan 2, 2023 16:57	5,071	86,373,603	16,225,844	0	2,297,856
35	Jan 2, 2023 16:35	5,082	87,727,284	16,261,460	0	2,174,976
36	Jan 2, 2023 16:35	5,110	82,058,517	16,350,416	0	2,301,952

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