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 16, 2021 13:06

Yuriy Lyfenko

Score: 5,477

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 13:07	5,432	43,800,154	16,360,000	1,022,000	2,392,064
2	May 16, 2021 13:07	5,443	38,277,428	15,369,000	2,049,000	2,383,872
3	May 16, 2021 13:09	5,443	37,143,430	16,395,000	1,024,000	2,387,968
4	May 16, 2021 13:06	5,444	43,935,879	16,397,000	1,024,000	2,396,160
5	May 16, 2021 13:09	5,446	46,348,584	13,327,000	4,100,000	2,383,872
6	May 16, 2021 13:06	5,448	34,727,653	17,432,000	0	2,260,992
7	May 16, 2021 13:06	5,449	49,527,184	14,360,000	3,077,000	2,396,160
8	May 16, 2021 13:07	5,449	43,204,567	16,411,000	1,025,000	2,510,848
9	May 16, 2021 13:09	5,449	37,710,154	15,387,000	2,051,000	2,260,992
10	May 16, 2021 13:06	5,453	42,967,491	16,423,000	1,026,000	2,396,160
11	May 16, 2021 13:07	5,454	39,891,934	17,454,000	0	2,510,848
12	May 16, 2021 13:09	5,457	44,775,932	16,436,000	1,027,000	2,519,040
13	May 16, 2021 13:07	5,458	37,728,547	16,438,000	1,027,000	2,519,040
14	May 16, 2021 13:09	5,459	38,457,962	17,468,000	0	2,392,064
15	May 16, 2021 13:09	5,460	32,590,066	16,444,000	1,027,000	2,387,968
16	May 16, 2021 13:09	5,465	32,109,590	16,460,000	1,028,000	2,387,968
17	May 16, 2021 13:06	5,468	40,099,016	16,467,000	1,029,000	2,392,064
18	May 16, 2021 13:09	5,473	38,618,881	16,484,000	1,030,000	2,519,040
19	May 16, 2021 13:09	5,477	45,017,113	16,496,000	1,031,000	2,519,040
20	May 16, 2021 13:07	5,484	41,742,561	16,518,000	1,032,000	2,519,040
21	May 16, 2021 13:06	5,484	46,777,269	17,549,000	0	2,392,064
22	May 16, 2021 13:07	5,485	39,324,020	17,553,000	0	2,519,040
23	May 16, 2021 13:06	5,577	35,214,069	16,854,000	991,000	2,392,064
24	May 16, 2021 13:07	5,583	43,023,865	16,872,000	992,000	2,519,040
25	May 16, 2021 13:06	5,584	36,878,311	15,885,000	1,985,000	2,387,968
26	May 16, 2021 13:06	5,586	44,138,648	15,889,000	1,986,000	2,383,872
27	May 16, 2021 13:07	5,609	34,995,934	15,956,000	1,994,000	2,387,968
28	May 16, 2021 13:06	5,668	89,945,967	18,138,485	0	2,285,568
29	May 16, 2021 13:06	5,688	84,645,409	18,202,116	0	2,273,280
30	May 16, 2021 13:07	5,689	82,053,043	18,205,964	0	2,281,472
31	May 16, 2021 13:06	5,696	78,199,653	18,226,340	0	2,285,568
32	May 16, 2021 13:07	5,700	61,917,891	18,240,532	0	2,277,376
33	May 16, 2021 13:07	5,705	82,646,357	18,254,663	0	2,277,376
34	May 16, 2021 13:09	5,718	75,540,567	18,296,562	0	2,285,568
35	May 16, 2021 13:09	5,748	61,157,865	18,394,052	0	2,281,472
36	May 16, 2021 13:09	5,769	95,396,066	18,459,520	0	2,285,568

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