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 30, 2023 17:40

Alexander Monakov

Score: 4,544

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 30, 2023 17:40	4,506	36,480,386	14,419,000	0	2,502,656
2	Jun 30, 2023 17:40	4,508	33,088,795	14,424,000	0	2,490,368
3	Jun 30, 2023 17:40	4,510	30,514,543	14,431,000	0	2,498,560
4	Jun 30, 2023 17:40	4,511	37,974,786	14,436,000	0	2,502,656
5	Jun 30, 2023 17:40	4,511	31,409,913	14,434,000	0	2,277,376
6	Jun 30, 2023 17:40	4,522	31,601,853	14,471,000	0	2,490,368
7	Jun 30, 2023 17:40	4,522	31,745,734	14,469,000	0	2,277,376
8	Jun 30, 2023 17:40	4,524	33,393,912	14,476,000	0	2,494,464
9	Jun 30, 2023 17:40	4,525	35,459,248	14,480,000	0	2,277,376
10	Jun 30, 2023 17:40	4,527	40,473,331	14,487,000	0	2,494,464
11	Jun 30, 2023 17:40	4,534	30,643,175	14,509,000	0	2,277,376
12	Jun 30, 2023 17:40	4,536	29,783,925	13,479,000	1,036,000	2,502,656
13	Jun 30, 2023 17:40	4,536	30,634,033	14,515,000	0	2,277,376
14	Jun 30, 2023 17:40	4,538	34,855,768	14,522,000	0	2,498,560
15	Jun 30, 2023 17:40	4,541	29,727,637	14,530,000	0	2,277,376
16	Jun 30, 2023 17:40	4,542	32,638,194	14,534,000	0	2,277,376
17	Jun 30, 2023 17:40	4,543	30,589,167	14,536,000	0	2,535,424
18	Jun 30, 2023 17:40	4,543	30,206,923	14,539,000	0	2,277,376
19	Jun 30, 2023 17:40	4,544	28,189,475	13,502,000	1,038,000	2,277,376
20	Jun 30, 2023 17:40	4,545	31,851,922	13,506,000	1,038,000	2,535,424
21	Jun 30, 2023 17:40	4,545	32,563,708	14,543,000	0	2,277,376
22	Jun 30, 2023 17:40	4,547	33,849,129	13,512,000	1,039,000	2,277,376
23	Jun 30, 2023 17:40	4,550	31,185,868	14,559,000	0	2,273,280
24	Jun 30, 2023 17:40	4,550	33,158,852	14,559,000	0	2,277,376
25	Jun 30, 2023 17:40	4,551	36,986,638	14,564,000	0	2,277,376
26	Jun 30, 2023 17:40	4,556	30,647,070	14,578,000	0	2,273,280
27	Jun 30, 2023 17:40	4,566	32,048,972	14,612,000	0	2,494,464
28	Jun 30, 2023 17:40	4,769	92,579,773	15,262,213	0	2,260,992
29	Jun 30, 2023 17:40	4,770	58,506,488	15,263,675	0	2,260,992
30	Jun 30, 2023 17:40	4,772	86,409,184	15,269,600	0	2,236,416
31	Jun 30, 2023 17:40	4,780	77,976,272	15,295,823	0	2,240,512
32	Jun 30, 2023 17:40	4,784	68,486,868	15,309,066	0	2,240,512
33	Jun 30, 2023 17:40	4,797	96,821,529	15,348,845	0	2,236,416
34	Jun 30, 2023 17:40	4,805	84,013,682	15,375,347	0	2,244,608
35	Jun 30, 2023 17:40	4,823	57,571,244	15,432,785	0	2,252,800
36	Jun 30, 2023 17:40	4,833	55,560,973	15,465,913	0	2,244,608

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