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 14, 2021 21:01

alex3d

Score: 4,790

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 14, 2021 21:01	4,745	9,392,058,444	15,183,000	0	2,519,040
2	May 14, 2021 21:00	4,750	1,180,560,144	13,301,000	1,900,000	2,260,992
3	May 14, 2021 21:01	4,752	334,813,045	13,178,000	2,027,000	2,510,848
4	May 14, 2021 21:01	4,754	367,540,095	12,362,000	2,852,000	2,523,136
5	May 14, 2021 21:00	4,759	2,334,396,326	14,214,000	1,015,000	2,519,040
6	May 14, 2021 21:00	4,760	4,679,164,568	14,218,000	1,015,000	2,519,040
7	May 14, 2021 21:01	4,760	1,469,542,609	15,232,000	0	2,523,136
8	May 14, 2021 21:00	4,763	737,418,388	15,242,000	0	2,510,848
9	May 14, 2021 21:00	4,764	9,259,572,407	14,229,000	1,016,000	2,519,040
10	May 14, 2021 21:01	4,774	7,648,741,634	15,276,000	0	2,519,040
11	May 14, 2021 21:01	4,779	4,203,379,659	13,381,000	1,911,000	2,519,040
12	May 14, 2021 21:01	4,779	592,996,737	13,383,000	1,911,000	2,519,040
13	May 14, 2021 21:01	4,781	5,820,556,143	14,279,000	1,019,000	2,519,040
14	May 14, 2021 21:01	4,784	8,851,122,053	15,309,000	0	2,519,040
15	May 14, 2021 21:01	4,786	831,556,537	13,402,000	1,914,000	2,519,040
16	May 14, 2021 21:00	4,788	3,761,266,887	15,320,000	0	2,523,136
17	May 14, 2021 21:01	4,788	5,465,911,260	14,300,000	1,021,000	2,519,040
18	May 14, 2021 21:01	4,788	5,604,625,452	14,300,000	1,021,000	2,510,848
19	May 14, 2021 21:01	4,790	9,816,308,987	14,306,000	1,021,000	2,523,136
20	May 14, 2021 21:00	4,791	4,007,387,076	15,331,000	0	2,519,040
21	May 14, 2021 21:01	4,793	2,230,290,974	14,315,000	1,022,000	2,523,136
22	May 14, 2021 21:01	4,793	2,542,885,808	14,316,000	1,022,000	2,519,040
23	May 14, 2021 21:00	4,799	6,023,642,263	13,437,000	1,919,000	2,519,040
24	May 14, 2021 21:01	4,802	9,304,782,427	15,366,000	0	2,519,040
25	May 14, 2021 21:00	4,808	9,251,620,932	15,387,000	0	2,523,136
26	May 14, 2021 21:01	4,817	9,287,059,975	14,387,000	1,027,000	2,519,040
27	May 14, 2021 21:01	4,823	9,991,030,939	13,505,000	1,929,000	2,519,040
28	May 14, 2021 21:00	4,988	680,770,413	15,962,900	0	2,277,376
29	May 14, 2021 21:01	4,997	3,335,554,442	15,989,100	0	2,281,472
30	May 14, 2021 21:01	5,004	10,080,994,650	16,013,636	0	2,281,472
31	May 14, 2021 21:01	5,013	9,825,559,671	16,042,804	0	2,277,376
32	May 14, 2021 21:01	5,019	7,989,524,387	16,061,129	0	2,281,472
33	May 14, 2021 21:01	5,020	4,571,033,227	16,063,686	0	2,277,376
34	May 14, 2021 21:01	5,020	148,740,961	16,064,897	0	2,273,280
35	May 14, 2021 21:00	5,022	4,410,985,251	16,070,109	0	2,281,472
36	May 14, 2021 21:00	5,034	10,001,172,836	16,108,905	0	2,281,472

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