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 21, 2022 21:16

Eugene Zhydzetski

Score: 5,838

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 22, 2022 15:32	5,780	36,139,102	17,469,000	1,027,000	2,334,720
2	Aug 22, 2022 15:28	5,781	44,557,772	17,471,000	1,027,000	2,535,424
3	Aug 21, 2022 19:38	5,788	45,281,075	17,492,000	1,028,000	2,334,720
4	Aug 22, 2022 15:28	5,788	42,148,603	17,493,000	1,029,000	2,334,720
5	Aug 22, 2022 15:32	5,789	39,427,999	18,524,000	0	2,285,568
6	Aug 21, 2022 21:16	5,792	39,381,637	17,505,000	1,029,000	2,281,472
7	Aug 21, 2022 21:16	5,794	37,992,698	16,482,000	2,060,000	2,535,424
8	Aug 22, 2022 15:28	5,794	34,504,432	17,510,000	1,030,000	2,535,424
9	Aug 21, 2022 19:38	5,798	37,779,376	17,525,000	1,030,000	2,342,912
10	Aug 22, 2022 15:32	5,800	40,921,605	18,559,000	0	2,334,720
11	Aug 22, 2022 15:28	5,803	41,895,611	18,571,000	0	2,334,720
12	Aug 21, 2022 19:38	5,805	44,777,685	17,544,000	1,032,000	2,334,720
13	Aug 22, 2022 15:28	5,807	41,001,764	17,549,000	1,032,000	2,334,720
14	Aug 21, 2022 21:16	5,808	39,229,585	18,585,000	0	2,334,720
15	Aug 22, 2022 15:32	5,809	38,052,972	18,588,000	0	2,543,616
16	Aug 22, 2022 15:32	5,810	32,354,936	18,592,000	0	2,334,720
17	Aug 21, 2022 19:38	5,811	40,139,694	17,563,000	1,033,000	2,334,720
18	Aug 21, 2022 19:38	5,812	46,323,169	18,599,000	0	2,334,720
19	Aug 22, 2022 15:28	5,813	45,799,888	18,600,000	0	2,334,720
20	Aug 21, 2022 21:16	5,819	36,708,921	17,586,000	1,034,000	2,334,720
21	Aug 21, 2022 21:16	5,819	41,821,468	18,622,000	0	2,404,352
22	Aug 22, 2022 15:32	5,826	45,358,356	18,643,000	0	2,281,472
23	Aug 21, 2022 19:38	5,826	33,199,120	17,609,000	1,035,000	2,334,720
24	Aug 22, 2022 15:32	5,838	43,982,523	18,681,000	0	2,535,424
25	Aug 21, 2022 19:38	5,838	37,809,556	17,643,000	1,037,000	2,535,424
26	Aug 21, 2022 19:38	5,838	47,664,634	17,643,000	1,037,000	2,334,720
27	Aug 21, 2022 21:16	5,839	48,740,487	18,684,000	0	2,347,008
28	Aug 22, 2022 15:28	5,839	48,632,887	17,647,000	1,038,000	2,334,720
29	Aug 22, 2022 15:28	5,839	50,705,663	18,686,000	0	2,535,424
30	Aug 22, 2022 15:32	5,845	40,638,776	18,704,000	0	2,334,720
31	Aug 21, 2022 19:38	5,853	45,836,395	18,728,000	0	2,334,720
32	Aug 21, 2022 21:16	5,859	96,493,500	18,748,008	0	2,248,704
33	Aug 21, 2022 19:38	5,882	83,274,847	18,823,782	0	2,260,992
34	Aug 22, 2022 15:28	5,883	77,905,625	18,824,742	0	2,248,704
35	Aug 21, 2022 19:38	5,889	85,584,922	18,845,480	0	2,240,512
36	Aug 21, 2022 21:16	5,892	85,271,153	18,853,795	0	2,240,512
37	Aug 21, 2022 21:16	5,894	48,011,338	17,870,000	992,000	2,531,328
38	Aug 22, 2022 15:28	5,898	43,207,690	17,881,000	993,000	2,535,424
39	Aug 21, 2022 21:16	5,899	47,764,765	16,889,000	1,987,000	2,535,424
40	Aug 21, 2022 21:16	5,899	43,737,896	18,878,000	0	2,535,424
41	Aug 22, 2022 15:32	5,901	35,926,089	17,890,000	993,000	2,334,720
42	Aug 21, 2022 21:16	5,919	67,726,400	18,942,004	0	2,240,512
43	Aug 22, 2022 15:32	5,924	84,199,614	18,955,792	0	2,256,896
44	Aug 22, 2022 15:28	5,958	57,756,831	19,064,360	0	2,252,800
45	Aug 22, 2022 15:32	5,961	78,714,306	19,076,704	0	2,248,704
46	Aug 21, 2022 19:38	5,988	80,363,129	19,161,610	0	2,240,512
47	Aug 22, 2022 15:32	6,012	98,834,317	19,238,282	0	2,244,608
48	Aug 22, 2022 15:28	6,016	95,579,750	19,250,055	0	2,240,512

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