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 listAug 19, 2022 17:58

Eugene Zhydzetski

Score: 5,905

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 19, 2022 17:34	5,769	44,288,640	18,461,000	0	2,535,424
2	Aug 19, 2022 17:58	5,774	39,383,842	18,478,000	0	2,334,720
3	Aug 19, 2022 17:34	5,827	43,108,297	18,646,000	0	2,334,720
4	Aug 19, 2022 17:38	5,845	33,003,700	18,705,000	0	2,330,624
5	Aug 19, 2022 17:58	5,845	44,675,774	18,703,000	0	2,334,720
6	Aug 19, 2022 17:34	5,894	77,468,187	18,861,301	0	2,236,416
7	Aug 19, 2022 17:34	5,894	35,779,097	17,868,000	992,000	2,334,720
8	Aug 19, 2022 17:34	5,894	49,228,234	17,870,000	992,000	2,531,328
9	Aug 19, 2022 17:58	5,895	35,317,780	17,873,000	992,000	2,535,424
10	Aug 19, 2022 17:38	5,896	44,890,946	17,875,000	993,000	2,334,720
11	Aug 19, 2022 17:38	5,898	37,630,136	16,888,000	1,986,000	2,334,720
12	Aug 19, 2022 17:34	5,899	49,014,500	17,883,000	993,000	2,334,720
13	Aug 19, 2022 17:38	5,899	37,475,846	17,885,000	993,000	2,535,424
14	Aug 19, 2022 17:58	5,900	34,601,448	18,880,000	0	2,531,328
15	Aug 19, 2022 17:34	5,901	39,619,975	17,890,000	993,000	2,334,720
16	Aug 19, 2022 17:38	5,903	44,486,014	17,895,000	994,000	2,527,232
17	Aug 19, 2022 17:38	5,904	43,886,196	18,892,000	0	2,535,424
18	Aug 19, 2022 17:58	5,905	47,100,152	15,913,000	2,983,000	2,535,424
19	Aug 19, 2022 17:58	5,905	48,985,791	16,908,000	1,989,000	2,535,424
20	Aug 19, 2022 17:34	5,908	35,903,130	16,916,000	1,990,000	2,334,720
21	Aug 19, 2022 17:38	5,913	38,382,736	17,870,000	1,051,000	2,535,424
22	Aug 19, 2022 17:38	5,915	95,025,182	18,926,655	0	2,240,512
23	Aug 19, 2022 17:34	5,920	44,974,148	17,948,000	997,000	2,334,720
24	Aug 19, 2022 17:58	5,926	103,369,229	18,963,510	0	2,232,320
25	Aug 19, 2022 17:38	5,926	33,935,578	16,967,000	1,996,000	2,334,720
26	Aug 19, 2022 17:58	5,926	45,936,158	16,967,000	1,996,000	2,334,720
27	Aug 19, 2022 17:34	5,929	46,809,456	16,977,000	1,997,000	2,334,720
28	Aug 19, 2022 17:38	5,932	67,045,872	18,981,429	0	2,240,512
29	Aug 19, 2022 17:38	5,934	90,115,126	18,990,387	0	2,244,608
30	Aug 19, 2022 17:58	5,938	38,474,984	17,000,000	2,000,000	2,334,720
31	Aug 19, 2022 17:58	5,940	36,217,456	17,007,000	2,000,000	2,334,720
32	Aug 19, 2022 17:34	5,940	80,014,872	19,009,321	0	2,232,320
33	Aug 19, 2022 17:38	5,943	33,285,773	17,016,000	2,001,000	2,334,720
34	Aug 19, 2022 17:58	5,945	86,485,209	19,024,917	0	2,228,224
35	Aug 19, 2022 17:58	6,036	88,218,012	19,316,188	0	2,228,224
36	Aug 19, 2022 17:34	6,060	96,450,265	19,391,780	0	2,232,320

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