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: 4,183Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	Memory
1	Apr 23, 2025 02:22	4,149	32,363,447	13,276,000	2,273,280
2	Apr 23, 2025 02:22	4,155	30,425,585	13,297,000	2,494,464
3	Apr 23, 2025 02:23	4,158	25,749,620	13,305,000	2,498,560
4	Apr 23, 2025 02:22	4,164	30,205,501	13,326,000	2,482,176
5	Apr 23, 2025 02:23	4,164	30,318,722	13,324,000	2,494,464
6	Apr 23, 2025 02:23	4,166	28,389,189	13,331,000	2,490,368
7	Apr 23, 2025 02:23	4,166	30,534,998	13,330,000	2,273,280
8	Apr 23, 2025 02:22	4,169	32,676,342	13,342,000	2,498,560
9	Apr 23, 2025 02:23	4,171	27,492,482	13,347,000	2,498,560
10	Apr 23, 2025 02:24	4,176	31,089,421	13,363,000	2,502,656
11	Apr 23, 2025 02:23	4,177	45,654,068	13,365,000	2,490,368
12	Apr 23, 2025 02:22	4,179	30,822,954	13,374,000	2,273,280
13	Apr 23, 2025 02:22	4,182	26,274,718	13,383,000	2,531,328
14	Apr 23, 2025 02:23	4,182	30,225,521	13,383,000	2,498,560
15	Apr 23, 2025 02:23	4,183	33,248,028	13,385,000	2,273,280
16	Apr 23, 2025 02:23	4,183	32,648,965	13,385,000	2,490,368
17	Apr 23, 2025 02:22	4,183	29,264,261	13,384,000	2,273,280
18	Apr 23, 2025 02:22	4,183	32,156,534	13,385,000	2,273,280
19	Apr 23, 2025 02:24	4,184	32,396,430	13,389,000	2,273,280
20	Apr 23, 2025 02:22	4,188	27,482,520	13,402,000	2,498,560
21	Apr 23, 2025 02:23	4,190	31,145,630	13,408,000	2,273,280
22	Apr 23, 2025 02:23	4,193	24,998,360	13,419,000	2,494,464
23	Apr 23, 2025 02:22	4,194	30,485,029	13,421,000	2,269,184
24	Apr 23, 2025 02:23	4,197	30,395,913	13,431,000	2,273,280
25	Apr 23, 2025 02:22	4,198	29,266,118	13,434,000	2,494,464
26	Apr 23, 2025 02:24	4,200	31,183,089	13,439,000	2,494,464
27	Apr 23, 2025 02:24	4,202	31,068,591	13,446,000	2,498,560
28	Apr 23, 2025 02:23	4,208	33,579,050	13,467,000	2,490,368
29	Apr 23, 2025 02:23	4,221	35,831,755	13,508,000	2,273,280
30	Apr 23, 2025 02:24	4,225	29,196,130	13,520,000	2,498,560
31	Apr 23, 2025 02:24	4,228	27,539,909	13,528,000	2,490,368
32	Apr 23, 2025 02:22	4,239	26,513,039	13,564,000	2,273,280
33	Apr 23, 2025 02:23	4,248	31,525,755	13,593,000	2,494,464

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