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 09:31

alex3d

Score: 5,356

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 09:31	5,295	9,856,287,539	14,826,000	2,118,000	2,519,040
2	May 16, 2021 09:31	5,305	3,077,990,139	15,915,000	1,061,000	2,514,944
3	May 16, 2021 09:31	5,307	8,893,368,037	14,984,000	1,997,000	2,519,040
4	May 16, 2021 09:31	5,317	3,148,154,622	16,015,000	1,000,000	2,514,944
5	May 16, 2021 09:31	5,317	630,974,766	15,952,000	1,063,000	2,514,944
6	May 16, 2021 09:31	5,320	9,455,194,816	15,961,000	1,064,000	2,519,040
7	May 16, 2021 09:31	5,325	7,239,837,455	14,911,000	2,130,000	2,514,944
8	May 16, 2021 09:31	5,328	2,652,466,513	15,043,000	2,005,000	2,519,040
9	May 16, 2021 09:31	5,330	9,029,071,474	16,052,000	1,003,000	2,519,040
10	May 16, 2021 09:31	5,333	2,160,107,031	17,066,000	0	2,523,136
11	May 16, 2021 09:31	5,333	1,899,215,198	15,998,000	1,066,000	2,514,944
12	May 16, 2021 09:31	5,333	8,849,106,211	17,065,000	0	2,519,040
13	May 16, 2021 09:31	5,334	9,830,609,999	16,065,000	1,004,000	2,519,040
14	May 16, 2021 09:31	5,334	2,338,809,122	16,064,000	1,004,000	2,531,328
15	May 16, 2021 09:31	5,337	2,010,464,131	15,068,000	2,009,000	2,514,944
16	May 16, 2021 09:31	5,348	8,679,129,554	16,108,000	1,006,000	2,519,040
17	May 16, 2021 09:31	5,352	2,824,671,100	16,119,000	1,007,000	2,514,944
18	May 16, 2021 09:31	5,354	2,868,491,804	16,126,000	1,007,000	2,519,040
19	May 16, 2021 09:31	5,356	6,456,740,835	16,130,000	1,008,000	2,523,136
20	May 16, 2021 09:31	5,359	9,503,214,314	17,150,000	0	2,519,040
21	May 16, 2021 09:31	5,364	6,266,722,556	16,093,000	1,072,000	2,514,944
22	May 16, 2021 09:31	5,372	8,087,421,828	15,168,000	2,022,000	2,514,944
23	May 16, 2021 09:31	5,374	6,783,945,696	15,174,000	2,023,000	2,514,944
24	May 16, 2021 09:31	5,374	4,651,813,410	15,049,000	2,149,000	2,514,944
25	May 16, 2021 09:31	5,375	5,225,350,031	16,126,000	1,075,000	2,514,944
26	May 16, 2021 09:31	5,398	9,198,717,843	16,257,000	1,016,000	2,519,040
27	May 16, 2021 09:31	5,406	8,004,197,533	15,137,000	2,162,000	2,514,944
28	May 16, 2021 09:31	5,503	8,463,654,354	17,610,553	0	2,281,472
29	May 16, 2021 09:31	5,525	6,968,889,065	17,681,507	0	2,281,472
30	May 16, 2021 09:31	5,537	3,675,172,148	17,716,958	0	2,277,376
31	May 16, 2021 09:31	5,551	449,538,151	17,762,601	0	2,285,568
32	May 16, 2021 09:31	5,556	9,279,391,577	17,780,328	0	2,281,472
33	May 16, 2021 09:31	5,566	9,463,199,050	17,810,986	0	2,281,472
34	May 16, 2021 09:31	5,572	6,989,945,887	17,830,956	0	2,273,280
35	May 16, 2021 09:31	5,574	9,678,651,049	17,838,347	0	2,281,472
36	May 16, 2021 09:31	5,606	6,299,296,772	17,938,305	0	2,277,376

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