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 13:48

Yuriy Lyfenko

Score: 5,581

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 13:44	5,423	35,448,308	16,334,000	1,020,000	2,383,872
2	May 16, 2021 13:47	5,423	35,259,777	17,353,000	0	2,383,872
3	May 16, 2021 13:44	5,428	41,654,066	16,348,000	1,021,000	2,523,136
4	May 16, 2021 13:47	5,430	41,938,164	16,355,000	1,022,000	2,396,160
5	May 16, 2021 13:44	5,433	39,360,558	15,339,000	2,045,000	2,519,040
6	May 16, 2021 13:47	5,444	45,933,242	16,398,000	1,024,000	2,519,040
7	May 16, 2021 13:47	5,446	35,513,884	16,402,000	1,025,000	2,519,040
8	May 16, 2021 13:47	5,447	36,915,398	17,431,000	0	2,519,040
9	May 16, 2021 13:44	5,451	34,405,518	17,444,000	0	2,387,968
10	May 16, 2021 13:44	5,451	45,654,812	15,391,000	2,052,000	2,519,040
11	May 16, 2021 13:44	5,452	42,791,372	15,395,000	2,052,000	2,519,040
12	May 16, 2021 13:44	5,453	43,028,700	16,425,000	1,026,000	2,392,064
13	May 16, 2021 13:47	5,455	36,926,033	16,429,000	1,026,000	2,260,992
14	May 16, 2021 13:44	5,458	40,602,535	17,467,000	0	2,383,872
15	May 16, 2021 13:47	5,461	38,259,136	15,420,000	2,056,000	2,519,040
16	May 16, 2021 13:47	5,461	45,001,978	16,447,000	1,027,000	2,519,040
17	May 16, 2021 13:44	5,463	39,659,879	17,480,000	0	2,396,160
18	May 16, 2021 13:47	5,467	39,779,532	17,494,000	0	2,387,968
19	May 16, 2021 13:48	5,581	47,829,820	16,868,000	992,000	2,519,040
20	May 16, 2021 13:48	5,585	45,970,382	14,893,000	2,978,000	2,519,040
21	May 16, 2021 13:48	5,588	38,871,498	17,881,000	0	2,519,040
22	May 16, 2021 13:48	5,592	36,645,681	15,907,000	1,988,000	2,519,040
23	May 16, 2021 13:48	5,593	51,220,550	16,844,000	1,052,000	2,519,040
24	May 16, 2021 13:48	5,605	43,920,303	16,941,000	996,000	2,260,992
25	May 16, 2021 13:48	5,606	47,479,469	16,943,000	996,000	2,260,992
26	May 16, 2021 13:48	5,610	43,450,715	14,961,000	2,992,000	2,519,040
27	May 16, 2021 13:48	5,613	41,290,094	15,965,000	1,995,000	2,379,776
28	May 16, 2021 13:44	5,704	64,478,565	18,251,413	0	2,273,280
29	May 16, 2021 13:47	5,715	89,667,682	18,288,804	0	2,277,376
30	May 16, 2021 13:47	5,718	88,642,657	18,297,918	0	2,281,472
31	May 16, 2021 13:44	5,723	56,233,301	18,314,429	0	2,277,376
32	May 16, 2021 13:47	5,730	73,909,471	18,336,523	0	2,277,376
33	May 16, 2021 13:44	5,737	85,941,354	18,359,358	0	2,277,376
34	May 16, 2021 13:48	5,975	78,279,531	19,120,464	0	2,277,376
35	May 16, 2021 13:48	6,002	96,541,488	19,205,981	0	2,277,376
36	May 16, 2021 13:48	6,030	100,196,018	19,295,882	0	2,285,568

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