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 listApr 17, 2024 21:34

Joad Nacer

Score: 4,853

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 17, 2024 21:34	4,820	31,968,180	14,397,000	1,028,000	2,269,184
2	Apr 17, 2024 21:19	4,822	29,758,483	14,403,000	1,028,000	2,277,376
3	Apr 17, 2024 21:19	4,829	34,638,225	14,423,000	1,030,000	2,289,664
4	Apr 17, 2024 21:19	4,838	34,576,438	14,449,000	1,032,000	2,289,664
5	Apr 17, 2024 21:19	4,838	33,621,497	14,450,000	1,032,000	2,289,664
6	Apr 17, 2024 21:19	4,838	31,902,806	13,548,000	1,935,000	2,527,232
7	Apr 17, 2024 21:19	4,839	33,868,298	14,453,000	1,032,000	2,289,664
8	Apr 17, 2024 21:34	4,840	36,927,974	14,457,000	1,032,000	2,387,968
9	Apr 17, 2024 21:34	4,841	32,237,481	15,492,000	0	2,269,184
10	Apr 17, 2024 21:34	4,844	32,416,972	15,502,000	0	2,531,328
11	Apr 17, 2024 21:19	4,848	33,727,687	14,479,000	1,034,000	2,277,376
12	Apr 17, 2024 21:19	4,848	33,874,078	14,480,000	1,034,000	2,273,280
13	Apr 17, 2024 21:19	4,849	39,979,587	14,483,000	1,034,000	2,383,872
14	Apr 17, 2024 21:19	4,849	42,260,147	14,483,000	1,034,000	2,277,376
15	Apr 17, 2024 21:34	4,850	38,457,494	15,520,000	0	2,523,136
16	Apr 17, 2024 21:34	4,851	38,065,963	15,523,000	0	2,269,184
17	Apr 17, 2024 21:19	4,851	30,777,304	14,489,000	1,034,000	2,289,664
18	Apr 17, 2024 21:19	4,852	32,803,585	14,491,000	1,035,000	2,289,664
19	Apr 17, 2024 21:34	4,853	32,975,275	14,494,000	1,035,000	2,531,328
20	Apr 17, 2024 21:19	4,855	38,172,710	14,502,000	1,035,000	2,523,136
21	Apr 17, 2024 21:19	4,858	41,763,484	14,510,000	1,036,000	2,273,280
22	Apr 17, 2024 21:19	4,858	40,732,476	15,545,000	0	2,289,664
23	Apr 17, 2024 21:34	4,859	32,233,128	14,513,000	1,036,000	2,273,280
24	Apr 17, 2024 21:19	4,860	31,256,657	15,552,000	0	2,273,280
25	Apr 17, 2024 21:19	4,866	33,994,269	14,533,000	1,038,000	2,289,664
26	Apr 17, 2024 21:19	4,870	32,027,871	15,583,000	0	2,289,664
27	Apr 17, 2024 21:34	4,879	34,067,210	15,613,000	0	2,289,664
28	Apr 17, 2024 21:19	5,048	85,176,646	16,155,008	0	2,293,760
29	Apr 17, 2024 21:19	5,060	78,931,131	16,192,716	0	2,179,072
30	Apr 17, 2024 21:34	5,064	89,827,775	16,205,826	0	2,179,072
31	Apr 17, 2024 21:34	5,065	81,478,389	16,206,613	0	2,297,856
32	Apr 17, 2024 21:19	5,069	85,581,625	16,220,022	0	2,306,048
33	Apr 17, 2024 21:19	5,088	82,119,736	16,281,467	0	2,289,664
34	Apr 17, 2024 21:19	5,091	66,946,300	16,292,423	0	2,297,856
35	Apr 17, 2024 21:34	5,098	82,011,612	16,313,843	0	2,306,048
36	Apr 17, 2024 21:19	5,109	82,668,240	16,348,262	0	2,174,976

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