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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vahookScore: 4,244Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	Memory
1	Apr 22, 2025 20:08	4,209	26,605,577	13,470,000	2,494,464
2	Apr 22, 2025 20:06	4,213	32,780,299	13,481,000	2,273,280
3	Apr 22, 2025 20:05	4,214	32,683,185	13,485,000	2,273,280
4	Apr 22, 2025 20:05	4,219	31,768,131	13,501,000	2,531,328
5	Apr 22, 2025 20:09	4,219	33,223,443	13,501,000	2,502,656
6	Apr 22, 2025 20:06	4,219	34,813,817	13,502,000	2,273,280
7	Apr 22, 2025 20:09	4,220	34,031,727	13,503,000	2,498,560
8	Apr 22, 2025 20:10	4,221	24,786,614	13,508,000	2,490,368
9	Apr 22, 2025 20:06	4,221	31,663,824	13,506,000	2,273,280
10	Apr 22, 2025 20:05	4,222	30,690,780	13,509,000	2,490,368
11	Apr 22, 2025 20:05	4,224	26,875,292	13,516,000	2,531,328
12	Apr 22, 2025 20:07	4,226	25,715,266	13,522,000	2,273,280
13	Apr 22, 2025 20:09	4,228	26,942,586	13,529,000	2,273,280
14	Apr 22, 2025 20:08	4,228	28,612,651	13,528,000	2,482,176
15	Apr 22, 2025 20:06	4,228	26,671,623	13,528,000	2,273,280
16	Apr 22, 2025 20:08	4,231	32,923,029	13,539,000	2,494,464
17	Apr 22, 2025 20:05	4,233	30,529,728	13,545,000	2,498,560
18	Apr 22, 2025 20:05	4,234	35,904,521	13,549,000	2,502,656
19	Apr 22, 2025 20:06	4,240	28,658,212	13,568,000	2,273,280
20	Apr 22, 2025 20:06	4,240	33,103,443	13,569,000	2,273,280
21	Apr 22, 2025 20:05	4,240	28,732,367	13,568,000	2,273,280
22	Apr 22, 2025 20:07	4,242	26,832,227	13,575,000	2,273,280
23	Apr 22, 2025 20:09	4,244	29,982,296	13,581,000	2,498,560
24	Apr 22, 2025 20:09	4,244	26,454,498	13,581,000	2,490,368
25	Apr 22, 2025 20:08	4,248	30,795,957	13,592,000	2,273,280
26	Apr 22, 2025 20:06	4,251	35,079,570	13,603,000	2,490,368
27	Apr 22, 2025 20:08	4,253	29,687,108	13,610,000	2,273,280
28	Apr 22, 2025 20:06	4,253	29,820,387	13,610,000	2,486,272
29	Apr 22, 2025 20:09	4,254	42,690,657	13,613,000	2,269,184
30	Apr 22, 2025 20:05	4,255	32,934,335	13,615,000	2,273,280
31	Apr 22, 2025 20:08	4,256	36,808,443	13,619,000	2,494,464
32	Apr 22, 2025 20:06	4,256	26,749,474	13,618,000	2,494,464
33	Apr 22, 2025 20:05	4,257	43,671,668	13,623,000	2,498,560
34	Apr 22, 2025 20:09	4,260	40,019,318	13,632,000	2,498,560
35	Apr 22, 2025 20:09	4,260	28,854,579	13,633,000	2,273,280
36	Apr 22, 2025 20:09	4,263	27,505,325	13,641,000	2,273,280
37	Apr 22, 2025 20:06	4,268	29,904,977	13,656,000	2,494,464
38	Apr 22, 2025 20:05	4,271	26,759,415	13,666,000	2,273,280
39	Apr 22, 2025 20:06	4,274	39,330,704	13,676,000	2,269,184
40	Apr 22, 2025 20:10	4,275	31,169,551	13,679,000	2,502,656
41	Apr 22, 2025 20:10	4,275	41,387,901	13,680,000	2,273,280
42	Apr 22, 2025 20:06	4,278	30,937,711	13,690,000	2,494,464
43	Apr 22, 2025 20:05	4,278	30,005,893	13,690,000	2,490,368
44	Apr 22, 2025 20:05	4,281	27,098,336	13,698,000	2,269,184
45	Apr 22, 2025 20:07	4,287	25,904,111	13,718,000	2,498,560

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