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 listJun 20, 2021 19:26

Andrey Tsvetkov

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	Jun 20, 2021 19:25	0	0	0	0	0	generator exited with code 1
2	Jun 20, 2021 19:25	5,704	37,638,898	15,210,000	3,042,000	2,523,136
3	Jun 20, 2021 19:26	5,713	39,464,933	15,236,000	3,047,000	2,326,528
4	Jun 20, 2021 19:26	5,713	34,759,461	15,234,000	3,046,000	2,334,720
5	Jun 20, 2021 19:26	5,715	38,161,207	16,257,000	2,032,000	2,527,232
6	Jun 20, 2021 19:26	5,718	39,697,962	15,249,000	3,049,000	2,334,720
7	Jun 20, 2021 19:26	5,721	44,786,667	16,272,000	2,034,000	2,334,720
8	Jun 20, 2021 19:26	5,726	34,086,112	15,270,000	3,054,000	2,334,720
9	Jun 20, 2021 19:26	5,727	36,902,363	16,289,000	2,036,000	2,334,720
10	Jun 20, 2021 19:25	5,728	40,346,505	16,295,000	2,036,000	2,523,136
11	Jun 20, 2021 19:26	5,730	45,984,903	16,298,000	2,037,000	2,334,720
12	Jun 20, 2021 19:26	5,733	37,990,180	16,308,000	2,038,000	2,334,720
13	Jun 20, 2021 19:26	5,734	32,481,005	16,311,000	2,038,000	2,334,720
14	Jun 20, 2021 19:25	5,736	39,210,252	17,336,000	1,019,000	2,523,136
15	Jun 20, 2021 19:25	5,740	40,872,988	16,327,000	2,040,000	2,334,720
16	Jun 20, 2021 19:26	5,743	39,601,074	15,315,000	3,063,000	2,527,232
17	Jun 20, 2021 19:25	5,743	44,709,862	16,335,000	2,041,000	2,334,720
18	Jun 20, 2021 19:26	5,747	38,254,857	16,347,000	2,043,000	2,523,136
19	Jun 20, 2021 19:25	5,748	35,802,404	16,350,000	2,043,000	2,531,328
20	Jun 20, 2021 19:26	5,749	31,850,929	16,352,000	2,044,000	2,527,232
21	Jun 20, 2021 19:25	5,751	39,560,116	15,337,000	3,067,000	2,334,720
22	Jun 20, 2021 19:25	5,757	48,022,043	16,375,000	2,046,000	2,334,720
23	Jun 20, 2021 19:26	5,760	40,005,966	16,384,000	2,048,000	2,334,720
24	Jun 20, 2021 19:26	5,763	44,796,699	16,393,000	2,049,000	2,531,328
25	Jun 20, 2021 19:25	5,763	42,200,840	16,393,000	2,049,000	2,523,136
26	Jun 20, 2021 19:26	5,764	35,615,098	17,421,000	1,024,000	2,527,232
27	Jun 20, 2021 19:26	5,768	42,458,347	17,433,000	1,025,000	2,334,720
28	Jun 20, 2021 19:25	5,769	57,769,026	18,461,688	0	2,236,416
29	Jun 20, 2021 19:26	5,773	78,907,458	18,475,004	0	2,236,416
30	Jun 20, 2021 19:26	5,777	75,967,722	18,484,984	0	2,240,512
31	Jun 20, 2021 19:26	5,785	44,101,186	15,426,000	3,085,000	2,334,720
32	Jun 20, 2021 19:26	5,790	97,806,401	18,526,867	0	2,240,512
33	Jun 20, 2021 19:26	5,827	97,227,220	18,646,392	0	2,232,320
34	Jun 20, 2021 19:26	5,834	90,622,980	18,668,441	0	2,232,320
35	Jun 20, 2021 19:26	5,836	83,208,857	18,674,233	0	2,240,512
36	Jun 20, 2021 19:25	5,915	78,644,656	18,928,840	0	2,228,224
37	Jun 20, 2021 19:25	6,006	84,766,989	19,219,316	0	2,256,896

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