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 listJul 13, 2021 19:54

Yuriy Lyfenko

Score: 5,709

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 13, 2021 19:54	5,666	544,412,525	15,109,000	3,021,000	2,330,624
2	Jul 13, 2021 19:54	5,667	539,866,611	16,120,000	2,015,000	2,334,720
3	Jul 13, 2021 19:54	5,671	539,589,223	16,132,000	2,016,000	2,330,624
4	Jul 13, 2021 19:54	5,672	544,246,555	16,134,000	2,016,000	2,330,624
5	Jul 13, 2021 19:54	5,672	543,781,029	16,133,000	2,016,000	2,330,624
6	Jul 13, 2021 19:54	5,672	543,329,081	16,133,000	2,016,000	2,330,624
7	Jul 13, 2021 19:54	5,674	542,674,596	16,140,000	2,017,000	2,330,624
8	Jul 13, 2021 19:54	5,676	543,825,779	16,146,000	2,018,000	2,334,720
9	Jul 13, 2021 19:54	5,682	541,891,467	15,153,000	3,030,000	2,330,624
10	Jul 13, 2021 19:54	5,688	541,331,331	15,169,000	3,033,000	2,330,624
11	Jul 13, 2021 19:54	5,691	542,458,078	15,177,000	3,035,000	2,334,720
12	Jul 13, 2021 19:54	5,699	576,272,820	18,235,801	0	2,252,800
13	Jul 13, 2021 19:54	5,699	547,366,683	15,197,000	3,039,000	2,330,624
14	Jul 13, 2021 19:54	5,699	543,250,076	16,212,000	2,026,000	2,334,720
15	Jul 13, 2021 19:54	5,700	542,063,188	16,215,000	2,026,000	2,330,624
16	Jul 13, 2021 19:54	5,701	548,293,810	16,217,000	2,027,000	2,330,624
17	Jul 13, 2021 19:54	5,702	547,444,485	14,192,000	4,055,000	2,330,624
18	Jul 13, 2021 19:54	5,708	541,271,831	16,238,000	2,029,000	2,330,624
19	Jul 13, 2021 19:54	5,709	574,367,585	18,268,481	0	2,252,800
20	Jul 13, 2021 19:54	5,718	540,634,222	16,265,000	2,033,000	2,523,136
21	Jul 13, 2021 19:54	5,721	571,582,732	18,305,894	0	2,256,896
22	Jul 13, 2021 19:54	5,722	539,748,440	16,277,000	2,034,000	2,330,624
23	Jul 13, 2021 19:54	5,725	541,866,209	16,285,000	2,035,000	2,330,624
24	Jul 13, 2021 19:54	5,726	539,296,853	15,269,000	3,053,000	2,334,720
25	Jul 13, 2021 19:54	5,737	575,387,537	18,357,238	0	2,256,896
26	Jul 13, 2021 19:54	5,738	548,106,079	15,303,000	3,060,000	2,330,624
27	Jul 13, 2021 19:54	5,744	542,133,974	16,339,000	2,042,000	2,523,136
28	Jul 13, 2021 19:54	5,745	543,349,509	16,342,000	2,042,000	2,330,624
29	Jul 13, 2021 19:54	5,746	576,244,123	18,386,618	0	2,215,936
30	Jul 13, 2021 19:54	5,746	588,322,509	18,387,468	0	2,252,800
31	Jul 13, 2021 19:54	5,747	540,063,352	17,368,000	1,021,000	2,330,624
32	Jul 13, 2021 19:54	5,759	581,393,234	18,429,053	0	2,256,896
33	Jul 13, 2021 19:54	5,766	547,080,322	16,401,000	2,050,000	2,527,232
34	Jul 13, 2021 19:54	5,767	538,841,600	16,405,000	2,050,000	2,330,624
35	Jul 13, 2021 19:54	5,768	584,586,830	18,458,330	0	2,252,800
36	Jul 13, 2021 19:54	5,770	581,655,543	18,465,588	0	2,232,320

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