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 24, 2021 07:10

Andrey Tsvetkov

Score: 6,004

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 24, 2021 07:10	5,953	36,478,098	16,041,000	3,007,000	2,334,720
2	May 24, 2021 07:10	5,961	45,197,498	16,064,000	3,012,000	2,326,528
3	May 24, 2021 07:10	5,962	36,638,736	16,067,000	3,012,000	2,334,720
4	May 24, 2021 07:10	5,968	41,864,243	17,088,000	2,010,000	2,531,328
5	May 24, 2021 07:11	5,975	46,579,276	17,108,000	2,012,000	2,330,624
6	May 24, 2021 07:10	5,976	44,674,159	17,111,000	2,013,000	2,330,624
7	May 24, 2021 07:10	5,980	45,652,556	16,114,000	3,021,000	2,334,720
8	May 24, 2021 07:11	5,982	37,475,832	16,119,000	3,022,000	2,531,328
9	May 24, 2021 07:11	5,986	43,177,762	17,138,000	2,016,000	2,392,064
10	May 24, 2021 07:10	5,992	43,244,452	16,146,000	3,027,000	2,523,136
11	May 24, 2021 07:11	5,992	44,775,444	17,157,000	2,018,000	2,527,232
12	May 24, 2021 07:11	5,994	48,293,222	17,162,000	2,019,000	2,527,232
13	May 24, 2021 07:10	5,996	36,573,637	16,158,000	3,029,000	2,523,136
14	May 24, 2021 07:10	5,996	44,327,386	17,168,000	2,019,000	2,527,232
15	May 24, 2021 07:11	5,997	37,091,579	17,170,000	2,020,000	2,519,040
16	May 24, 2021 07:10	6,000	35,487,871	16,168,000	3,031,000	2,531,328
17	May 24, 2021 07:10	6,001	39,818,618	16,171,000	3,032,000	2,535,424
18	May 24, 2021 07:10	6,001	42,563,184	17,183,000	2,021,000	2,334,720
19	May 24, 2021 07:10	6,004	46,751,457	18,201,000	1,011,000	2,334,720
20	May 24, 2021 07:10	6,010	46,168,981	16,196,000	3,036,000	2,392,064
21	May 24, 2021 07:10	6,013	84,645,219	19,241,898	0	2,248,704
22	May 24, 2021 07:10	6,014	37,523,838	17,220,000	2,025,000	2,519,040
23	May 24, 2021 07:10	6,016	39,022,209	16,213,000	3,039,000	2,334,720
24	May 24, 2021 07:11	6,021	31,504,640	17,238,000	2,028,000	2,334,720
25	May 24, 2021 07:11	6,022	79,485,798	19,270,116	0	2,236,416
26	May 24, 2021 07:10	6,025	37,407,706	17,251,000	2,029,000	2,334,720
27	May 24, 2021 07:11	6,028	43,144,504	17,259,000	2,030,000	2,334,720
28	May 24, 2021 07:10	6,028	66,274,680	19,288,577	0	2,240,512
29	May 24, 2021 07:10	6,029	38,527,889	16,248,000	3,046,000	2,334,720
30	May 24, 2021 07:10	6,029	96,938,570	19,294,109	0	2,236,416
31	May 24, 2021 07:11	6,036	102,881,855	19,315,082	0	2,244,608
32	May 24, 2021 07:10	6,047	76,228,879	19,351,015	0	2,244,608
33	May 24, 2021 07:11	6,052	43,668,653	17,329,000	2,038,000	2,531,328
34	May 24, 2021 07:10	6,073	85,639,060	19,433,188	0	2,240,512
35	May 24, 2021 07:11	6,094	86,302,592	19,500,267	0	2,232,320
36	May 24, 2021 07:10	6,096	80,172,717	19,507,144	0	2,240,512

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