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.

Back to listMay 11, 2021 18:34

Yuriy Lyfenko

Score: 5,481

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 11, 2021 18:35	5,437	42,826,862	16,376,000	1,023,000	2,260,992
2	May 11, 2021 18:30	5,439	38,277,746	16,382,000	1,023,000	2,519,040
3	May 11, 2021 18:35	5,446	40,221,001	16,403,000	1,025,000	2,392,064
4	May 11, 2021 18:34	5,448	39,433,925	17,432,000	0	2,383,872
5	May 11, 2021 18:35	5,450	43,271,289	16,414,000	1,025,000	2,383,872
6	May 11, 2021 18:35	5,451	36,247,858	17,444,000	0	2,387,968
7	May 11, 2021 18:30	5,452	34,354,606	15,395,000	2,052,000	2,379,776
8	May 11, 2021 18:34	5,455	43,005,653	16,429,000	1,026,000	2,387,968
9	May 11, 2021 18:30	5,460	40,802,544	17,471,000	0	2,387,968
10	May 11, 2021 18:35	5,460	36,364,405	17,471,000	0	2,519,040
11	May 11, 2021 18:30	5,465	48,113,691	16,460,000	1,028,000	2,260,992
12	May 11, 2021 18:34	5,466	40,728,335	17,490,000	0	2,519,040
13	May 11, 2021 18:34	5,467	39,334,859	17,495,000	0	2,506,752
14	May 11, 2021 18:30	5,468	38,433,425	16,468,000	1,029,000	2,392,064
15	May 11, 2021 18:30	5,470	38,854,461	16,476,000	1,029,000	2,392,064
16	May 11, 2021 18:34	5,472	44,530,993	17,509,000	0	2,519,040
17	May 11, 2021 18:34	5,475	37,249,721	17,520,000	0	2,383,872
18	May 11, 2021 18:35	5,479	38,378,640	17,534,000	0	2,519,040
19	May 11, 2021 18:34	5,481	38,258,784	15,475,000	2,063,000	2,392,064
20	May 11, 2021 18:35	5,484	34,738,760	17,548,000	0	2,519,040
21	May 11, 2021 18:34	5,485	38,906,489	17,552,000	0	2,519,040
22	May 11, 2021 18:35	5,494	48,214,357	16,547,000	1,034,000	2,392,064
23	May 11, 2021 18:30	5,499	38,912,901	17,598,000	0	2,392,064
24	May 11, 2021 18:35	5,581	45,120,207	14,884,000	2,976,000	2,392,064
25	May 11, 2021 18:34	5,582	47,419,986	16,869,000	992,000	2,387,968
26	May 11, 2021 18:30	5,584	44,311,542	16,877,000	992,000	2,519,040
27	May 11, 2021 18:30	5,593	46,204,935	14,915,000	2,983,000	2,392,064
28	May 11, 2021 18:30	5,717	60,333,643	18,294,372	0	2,269,184
29	May 11, 2021 18:30	5,723	88,505,469	18,313,736	0	2,273,280
30	May 11, 2021 18:34	5,727	64,063,270	18,325,858	0	2,277,376
31	May 11, 2021 18:35	5,737	87,923,430	18,357,117	0	2,277,376
32	May 11, 2021 18:34	5,749	64,390,974	18,398,383	0	2,277,376
33	May 11, 2021 18:35	5,757	97,470,170	18,423,034	0	2,277,376
34	May 11, 2021 18:34	5,771	66,178,009	18,467,280	0	2,281,472
35	May 11, 2021 18:35	5,790	75,394,553	18,528,719	0	2,285,568
36	May 11, 2021 18:30	5,793	79,810,367	18,538,226	0	2,269,184

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