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 18:25

Yuriy Lyfenko

Score: 5,463

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 18:25	5,395	71,770,217	15,345,000	1,918,000	2,260,992
2	May 16, 2021 18:25	5,405	2,988,142,546	16,280,000	1,017,000	2,519,040
3	May 16, 2021 18:25	5,414	440,910,885	15,400,000	1,925,000	2,523,136
4	May 16, 2021 18:25	5,417	607,873,653	15,408,000	1,926,000	2,260,992
5	May 16, 2021 18:24	5,426	174,595,940	16,399,000	964,000	2,265,088
6	May 16, 2021 18:24	5,427	3,007,222,491	16,344,000	1,021,000	2,387,968
7	May 16, 2021 18:25	5,432	2,134,807,560	16,418,000	965,000	2,523,136
8	May 16, 2021 18:24	5,434	1,997,538,192	15,456,000	1,932,000	2,519,040
9	May 16, 2021 18:24	5,434	2,211,699,113	16,367,000	1,022,000	2,265,088
10	May 16, 2021 18:24	5,435	451,798,644	17,391,000	0	2,260,992
11	May 16, 2021 18:25	5,435	635,493,957	16,369,000	1,023,000	2,383,872
12	May 16, 2021 18:25	5,438	1,678,608,978	16,435,000	966,000	2,523,136
13	May 16, 2021 18:24	5,438	2,117,489,785	15,355,000	2,047,000	2,523,136
14	May 16, 2021 18:25	5,441	574,068,479	16,445,000	967,000	2,265,088
15	May 16, 2021 18:25	5,442	1,161,355,344	16,391,000	1,024,000	2,519,040
16	May 16, 2021 18:25	5,445	2,381,637,209	17,424,000	0	2,260,992
17	May 16, 2021 18:25	5,447	2,131,839,073	16,462,000	968,000	2,523,136
18	May 16, 2021 18:25	5,463	408,881,615	14,396,000	3,084,000	2,527,232
19	May 16, 2021 18:24	5,463	2,959,181,376	15,427,000	2,056,000	2,269,184
20	May 16, 2021 18:24	5,471	1,326,932,428	15,562,000	1,945,000	2,519,040
21	May 16, 2021 18:24	5,472	2,289,895,667	17,511,000	0	2,527,232
22	May 16, 2021 18:25	5,474	2,421,141,567	14,597,000	2,919,000	2,527,232
23	May 16, 2021 18:25	5,505	2,188,875,245	16,639,000	978,000	2,523,136
24	May 16, 2021 18:25	5,519	2,245,476,432	16,680,000	981,000	2,265,088
25	May 16, 2021 18:25	5,533	2,900,827,728	15,737,000	1,967,000	2,523,136
26	May 16, 2021 18:25	5,553	1,890,885,449	15,795,000	1,974,000	2,260,992
27	May 16, 2021 18:25	5,558	1,818,342,170	15,810,000	1,976,000	2,523,136
28	May 16, 2021 18:24	5,625	458,267,584	17,998,423	0	2,285,568
29	May 16, 2021 18:25	5,633	163,814,267	18,024,970	0	2,285,568
30	May 16, 2021 18:25	5,636	439,124,312	18,033,663	0	2,281,472
31	May 16, 2021 18:24	5,659	1,593,903,751	18,109,596	0	2,281,472
32	May 16, 2021 18:25	5,664	2,890,075,434	18,126,347	0	2,281,472
33	May 16, 2021 18:25	5,693	2,005,175,165	18,218,107	0	2,281,472
34	May 16, 2021 18:25	5,695	2,220,817,171	18,223,296	0	2,277,376
35	May 16, 2021 18:25	5,736	816,242,185	18,355,652	0	2,281,472
36	May 16, 2021 18:24	5,751	528,080,439	18,404,121	0	2,281,472

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