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: 4,166Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	Memory
1	Apr 23, 2025 06:57	4,132	28,375,958	13,221,000	2,490,368
2	Apr 23, 2025 06:57	4,135	27,247,086	13,231,000	2,531,328
3	Apr 23, 2025 06:57	4,136	32,891,149	13,234,000	2,502,656
4	Apr 23, 2025 17:03	4,138	30,623,404	13,240,000	2,498,560
5	Apr 23, 2025 17:03	4,139	26,182,930	13,245,000	2,490,368
6	Apr 23, 2025 07:52	4,141	32,119,036	13,251,000	2,494,464
7	Apr 23, 2025 19:02	4,147	27,855,397	13,269,000	2,490,368
8	Apr 23, 2025 06:57	4,148	31,073,832	13,272,000	2,494,464
9	Apr 23, 2025 19:02	4,148	36,687,832	13,273,000	2,273,280
10	Apr 23, 2025 07:57	4,148	31,371,468	13,274,000	2,490,368
11	Apr 23, 2025 06:59	4,149	31,458,453	13,276,000	2,486,272
12	Apr 23, 2025 17:03	4,150	26,927,123	13,279,000	2,486,272
13	Apr 23, 2025 06:59	4,155	28,878,460	13,295,000	2,273,280
14	Apr 23, 2025 06:57	4,155	32,199,531	13,295,000	2,273,280
15	Apr 23, 2025 17:03	4,156	22,315,298	13,300,000	2,273,280
16	Apr 23, 2025 17:03	4,158	31,859,351	13,304,000	2,498,560
17	Apr 23, 2025 06:57	4,158	29,011,441	13,306,000	2,273,280
18	Apr 23, 2025 07:52	4,161	28,880,873	13,315,000	2,265,088
19	Apr 23, 2025 17:03	4,166	28,470,601	13,330,000	2,486,272
20	Apr 23, 2025 07:57	4,169	35,922,392	13,341,000	2,273,280
21	Apr 23, 2025 07:52	4,170	29,069,952	13,344,000	2,531,328
22	Apr 23, 2025 17:03	4,172	25,445,483	13,349,000	2,498,560
23	Apr 23, 2025 06:57	4,175	34,363,756	13,360,000	2,273,280
24	Apr 23, 2025 17:03	4,175	34,956,655	13,360,000	2,494,464
25	Apr 23, 2025 17:03	4,176	32,206,520	13,362,000	2,273,280
26	Apr 23, 2025 07:52	4,176	27,355,643	13,364,000	2,498,560
27	Apr 23, 2025 06:57	4,177	29,102,650	13,366,000	2,273,280
28	Apr 23, 2025 07:57	4,182	26,004,309	13,383,000	2,490,368
29	Apr 23, 2025 06:59	4,182	26,885,616	13,382,000	2,273,280
30	Apr 23, 2025 07:52	4,190	36,466,275	13,407,000	2,498,560
31	Apr 23, 2025 17:03	4,194	29,415,415	13,421,000	2,273,280
32	Apr 23, 2025 19:02	4,198	30,306,218	13,434,000	2,273,280
33	Apr 23, 2025 06:57	4,199	26,411,789	13,436,000	2,498,560
34	Apr 23, 2025 07:52	4,199	29,356,750	13,436,000	2,531,328
35	Apr 23, 2025 17:03	4,200	31,499,424	13,440,000	2,490,368
36	Apr 23, 2025 17:03	4,221	31,364,371	13,507,000	2,502,656

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