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 19:31

Yuriy Lyfenko

Score: 5,591

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 11, 2021 19:31	5,582	43,624,576	16,870,000	992,000	2,387,968
2	May 11, 2021 19:31	5,583	47,000,981	14,887,000	2,977,000	2,519,040
3	May 11, 2021 19:32	5,584	39,676,826	14,891,000	2,978,000	2,375,680
4	May 11, 2021 19:31	5,584	43,436,607	15,884,000	1,985,000	2,519,040
5	May 11, 2021 19:31	5,584	42,610,580	16,876,000	992,000	2,519,040
6	May 11, 2021 19:31	5,585	48,604,923	16,879,000	992,000	2,519,040
7	May 11, 2021 19:31	5,585	37,820,856	15,886,000	1,985,000	2,383,872
8	May 11, 2021 19:32	5,585	44,158,067	16,820,000	1,051,000	2,392,064
9	May 11, 2021 19:31	5,586	46,520,373	16,883,000	993,000	2,523,136
10	May 11, 2021 19:32	5,586	35,549,533	16,881,000	993,000	2,519,040
11	May 11, 2021 19:32	5,586	37,350,004	15,889,000	1,986,000	2,514,944
12	May 11, 2021 19:32	5,586	52,422,415	16,882,000	993,000	2,519,040
13	May 11, 2021 19:31	5,588	43,919,717	14,901,000	2,980,000	2,519,040
14	May 11, 2021 19:31	5,588	43,665,305	13,908,000	3,973,000	2,519,040
15	May 11, 2021 19:31	5,588	48,215,684	14,725,000	3,155,000	2,519,040
16	May 11, 2021 19:31	5,589	43,329,315	15,898,000	1,987,000	2,265,088
17	May 11, 2021 19:32	5,589	52,569,421	16,893,000	993,000	2,519,040
18	May 11, 2021 19:31	5,589	34,346,290	15,898,000	1,987,000	2,519,040
19	May 11, 2021 19:32	5,591	49,429,349	16,898,000	994,000	2,379,776
20	May 11, 2021 19:31	5,593	48,905,982	16,905,000	994,000	2,519,040
21	May 11, 2021 19:31	5,594	44,369,893	16,907,000	994,000	2,392,064
22	May 11, 2021 19:31	5,594	48,124,865	14,919,000	2,983,000	2,383,872
23	May 11, 2021 19:32	5,600	44,175,612	15,930,000	1,991,000	2,387,968
24	May 11, 2021 19:31	5,601	42,278,147	16,928,000	995,000	2,387,968
25	May 11, 2021 19:31	5,601	45,060,239	15,932,000	1,991,000	2,392,064
26	May 11, 2021 19:32	5,605	50,979,984	16,939,000	996,000	2,519,040
27	May 11, 2021 19:31	5,609	46,607,531	16,953,000	997,000	2,396,160
28	May 11, 2021 19:31	5,789	75,369,942	18,524,700	0	2,273,280
29	May 11, 2021 19:31	5,805	67,110,138	18,575,567	0	2,285,568
30	May 11, 2021 19:32	5,811	82,596,167	18,594,162	0	2,281,472
31	May 11, 2021 19:32	5,813	55,548,775	18,601,630	0	2,285,568
32	May 11, 2021 19:31	5,819	83,259,467	18,620,817	0	2,277,376
33	May 11, 2021 19:31	5,821	85,232,413	18,628,412	0	2,285,568
34	May 11, 2021 19:31	5,838	87,100,120	18,681,908	0	2,285,568
35	May 11, 2021 19:31	5,846	89,172,056	18,707,096	0	2,277,376
36	May 11, 2021 19:32	5,964	105,588,091	19,084,474	0	2,277,376

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