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 07:25

Andrei Grazhdankov

Score: 6,008

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 24, 2021 07:25	5,963	46,938,256	17,074,000	2,008,000	2,334,720
2	May 24, 2021 10:42	5,966	35,808,235	17,082,000	2,009,000	2,519,040
3	May 25, 2021 07:35	5,974	53,352,171	17,104,000	2,012,000	2,527,232
4	May 25, 2021 07:35	5,975	36,498,315	17,107,000	2,012,000	2,334,720
5	May 24, 2021 07:25	5,976	44,614,820	16,104,000	3,019,000	2,334,720
6	May 24, 2021 10:42	5,978	47,750,767	17,117,000	2,013,000	2,334,720
7	May 25, 2021 07:35	5,978	48,396,750	16,108,000	3,020,000	2,334,720
8	May 24, 2021 07:25	5,979	40,452,140	16,113,000	3,021,000	2,334,720
9	May 25, 2021 07:35	5,979	45,346,830	17,119,000	2,014,000	2,387,968
10	May 24, 2021 10:42	5,984	35,586,194	17,135,000	2,015,000	2,334,720
11	May 24, 2021 10:42	5,988	45,051,497	17,146,000	2,017,000	2,531,328
12	May 24, 2021 07:25	5,990	50,345,682	18,161,000	1,008,000	2,334,720
13	May 25, 2021 07:35	5,990	45,212,190	16,143,000	3,026,000	2,330,624
14	May 24, 2021 10:42	5,993	49,031,349	18,111,000	1,065,000	2,334,720
15	May 25, 2021 07:35	5,994	35,602,487	16,153,000	3,028,000	2,334,720
16	May 24, 2021 10:42	5,995	40,988,526	17,166,000	2,019,000	2,334,720
17	May 24, 2021 07:25	6,004	35,613,681	18,203,000	1,011,000	2,531,328
18	May 25, 2021 07:35	6,006	41,249,880	16,185,000	3,034,000	2,330,624
19	May 24, 2021 10:42	6,008	43,365,961	16,190,000	3,035,000	2,527,232
20	May 24, 2021 10:42	6,008	47,082,546	17,202,000	2,023,000	2,334,720
21	May 24, 2021 07:25	6,011	37,857,905	17,211,000	2,024,000	2,355,200
22	May 24, 2021 07:25	6,019	43,514,444	17,233,000	2,027,000	2,519,040
23	May 24, 2021 07:25	6,019	88,940,474	19,259,871	0	2,224,128
24	May 25, 2021 07:35	6,019	35,283,973	16,220,000	3,041,000	2,334,720
25	May 25, 2021 07:35	6,019	35,534,156	18,248,000	1,013,000	2,334,720
26	May 24, 2021 10:42	6,033	42,053,969	17,275,000	2,032,000	2,334,720
27	May 24, 2021 07:25	6,039	45,041,630	16,273,000	3,051,000	2,334,720
28	May 24, 2021 07:25	6,050	34,689,848	17,323,000	2,038,000	2,334,720
29	May 24, 2021 10:42	6,076	76,603,236	19,443,988	0	2,228,224
30	May 24, 2021 10:42	6,080	85,923,328	19,456,328	0	2,236,416
31	May 24, 2021 07:25	6,080	81,284,698	19,456,620	0	2,240,512
32	May 24, 2021 10:42	6,085	86,814,298	19,470,691	0	2,232,320
33	May 25, 2021 07:35	6,089	52,698,428	19,485,035	0	2,252,800
34	May 24, 2021 07:25	6,141	78,727,706	19,652,767	0	2,228,224
35	May 25, 2021 07:35	6,194	70,978,712	19,822,350	0	2,228,224
36	May 25, 2021 07:35	6,395	89,452,777	20,463,363	0	2,232,320

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