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 listMar 7, 2024 16:30

Ryan Chung Yi Sheng

Score: 5,498

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 7, 2024 16:30	5,400	61,634,819	17,280,749	0	2,174,976
2	Mar 7, 2024 16:30	5,420	78,237,289	17,345,311	0	2,297,856
3	Mar 7, 2024 16:30	5,424	76,491,685	17,358,094	0	2,301,952
4	Mar 7, 2024 16:30	5,424	86,445,661	17,357,317	0	2,297,856
5	Mar 7, 2024 16:30	5,431	71,130,058	17,378,738	0	2,301,952
6	Mar 7, 2024 16:30	5,443	81,937,069	17,417,112	0	2,297,856
7	Mar 7, 2024 16:30	5,445	69,929,119	17,423,976	0	2,293,760
8	Mar 7, 2024 16:30	5,447	83,067,699	17,431,586	0	2,293,760
9	Mar 7, 2024 16:30	5,454	77,331,234	17,453,765	0	2,297,856
10	Mar 7, 2024 16:30	5,470	43,130,550	16,474,000	1,029,000	2,281,472
11	Mar 7, 2024 16:30	5,473	48,491,965	17,515,000	0	2,281,472
12	Mar 7, 2024 16:30	5,474	38,663,179	17,516,000	0	2,281,472
13	Mar 7, 2024 16:30	5,475	41,161,303	16,489,000	1,030,000	2,392,064
14	Mar 7, 2024 16:30	5,476	32,736,910	16,494,000	1,030,000	2,404,352
15	Mar 7, 2024 16:30	5,480	43,690,867	17,535,000	0	2,404,352
16	Mar 7, 2024 16:30	5,488	39,656,472	17,562,000	0	2,400,256
17	Mar 7, 2024 16:30	5,494	29,084,007	17,580,000	0	2,523,136
18	Mar 7, 2024 16:30	5,498	32,436,617	16,558,000	1,034,000	2,281,472
19	Mar 7, 2024 16:30	5,498	38,671,715	16,558,000	1,034,000	2,400,256
20	Mar 7, 2024 16:30	5,501	45,114,742	16,569,000	1,035,000	2,392,064
21	Mar 7, 2024 16:30	5,501	38,894,748	17,603,000	0	2,400,256
22	Mar 7, 2024 16:30	5,504	41,885,914	16,577,000	1,036,000	2,281,472
23	Mar 7, 2024 16:30	5,504	47,586,339	16,577,000	1,036,000	2,523,136
24	Mar 7, 2024 16:30	5,505	42,540,239	17,616,000	0	2,408,448
25	Mar 7, 2024 16:30	5,506	40,319,974	16,582,000	1,036,000	2,281,472
26	Mar 7, 2024 16:30	5,506	36,286,744	16,584,000	1,036,000	2,400,256
27	Mar 7, 2024 16:30	5,508	43,895,148	17,624,000	0	2,281,472
28	Mar 7, 2024 16:30	5,509	43,908,596	16,593,000	1,037,000	2,404,352
29	Mar 7, 2024 16:30	5,510	46,043,950	16,596,000	1,037,000	2,392,064
30	Mar 7, 2024 16:30	5,511	34,704,569	16,599,000	1,037,000	2,273,280
31	Mar 7, 2024 16:30	5,512	44,930,727	17,639,000	0	2,408,448
32	Mar 7, 2024 16:30	5,513	43,842,335	17,643,000	0	2,281,472
33	Mar 7, 2024 16:30	5,514	49,827,059	17,645,000	0	2,510,848
34	Mar 7, 2024 16:30	5,521	35,302,787	16,627,000	1,039,000	2,281,472
35	Mar 7, 2024 16:30	5,524	40,057,232	17,676,000	0	2,281,472
36	Mar 7, 2024 16:30	5,625	43,772,323	17,001,000	1,000,000	2,281,472

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