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 22, 2021 08:36

Vladimir Kuryakov

Score: 5,780

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 22, 2021 08:36	5,703	93,807,551	18,250,164	0	2,269,184
2	May 22, 2021 08:36	5,715	75,754,996	18,286,429	0	2,277,376
3	May 22, 2021 08:36	5,716	77,542,241	18,290,278	0	2,277,376
4	May 22, 2021 08:36	5,718	73,250,190	18,297,241	0	2,281,472
5	May 22, 2021 08:36	5,728	81,224,479	18,328,031	0	2,293,760
6	May 22, 2021 08:36	5,735	56,664,538	18,352,125	0	2,281,472
7	May 22, 2021 08:36	5,738	78,424,902	18,362,836	0	2,281,472
8	May 22, 2021 08:36	5,742	91,311,908	18,375,741	0	2,277,376
9	May 22, 2021 08:36	5,760	79,059,136	18,431,346	0	2,281,472
10	May 22, 2021 08:36	5,768	41,363,189	15,381,000	3,076,000	2,519,040
11	May 22, 2021 08:36	5,770	46,045,786	16,413,000	2,051,000	2,519,040
12	May 22, 2021 08:36	5,770	38,376,635	17,440,000	1,025,000	2,387,968
13	May 22, 2021 08:36	5,775	43,959,259	17,454,000	1,026,000	2,519,040
14	May 22, 2021 08:36	5,775	38,790,834	14,374,000	4,106,000	2,387,968
15	May 22, 2021 08:36	5,778	38,650,955	17,463,000	1,027,000	2,519,040
16	May 22, 2021 08:36	5,780	51,616,587	18,495,000	0	2,392,064
17	May 22, 2021 08:36	5,783	73,956,499	18,504,864	0	2,281,472
18	May 22, 2021 08:36	5,783	46,222,106	17,478,000	1,028,000	2,383,872
19	May 22, 2021 08:36	5,785	86,261,587	18,512,161	0	2,281,472
20	May 22, 2021 08:36	5,785	45,882,787	17,484,000	1,028,000	2,519,040
21	May 22, 2021 08:36	5,788	37,467,029	17,493,000	1,029,000	2,392,064
22	May 22, 2021 08:36	5,790	46,672,354	18,529,000	0	2,519,040
23	May 22, 2021 08:36	5,801	98,588,456	18,562,710	0	2,281,472
24	May 22, 2021 08:36	5,803	41,297,789	16,508,000	2,063,000	2,387,968
25	May 22, 2021 08:36	5,815	46,032,838	16,540,000	2,067,000	2,375,680
26	May 22, 2021 08:36	5,823	45,602,587	17,597,000	1,035,000	2,519,040
27	May 22, 2021 08:36	5,823	39,705,545	16,564,000	2,070,000	2,519,040
28	May 22, 2021 08:36	5,824	47,690,773	18,636,000	0	2,519,040
29	May 22, 2021 08:36	5,826	47,234,523	17,609,000	1,035,000	2,519,040
30	May 22, 2021 08:36	5,920	47,298,014	18,945,000	0	2,510,848

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