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 listMay 11, 2021 22:03

Yuriy Lyfenko

Score: 5,612

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 11, 2021 22:03	5,583	44,660,098	15,882,000	1,985,000	2,260,992
2	May 11, 2021 22:05	5,583	46,943,386	15,882,000	1,985,000	2,387,968
3	May 11, 2021 22:05	5,584	44,610,386	16,878,000	992,000	2,523,136
4	May 11, 2021 22:05	5,585	43,665,763	15,886,000	1,985,000	2,260,992
5	May 11, 2021 22:03	5,586	35,657,487	14,896,000	2,979,000	2,523,136
6	May 11, 2021 22:03	5,587	43,562,772	16,884,000	993,000	2,383,872
7	May 11, 2021 22:03	5,589	44,597,933	16,893,000	993,000	2,387,968
8	May 11, 2021 22:03	5,589	48,888,177	14,905,000	2,981,000	2,396,160
9	May 11, 2021 22:03	5,589	42,441,462	16,893,000	993,000	2,400,256
10	May 11, 2021 22:03	5,590	44,836,112	16,896,000	993,000	2,523,136
11	May 11, 2021 22:05	5,590	42,568,685	15,901,000	1,987,000	2,260,992
12	May 11, 2021 22:03	5,593	49,938,192	15,908,000	1,988,000	2,379,776
13	May 11, 2021 22:05	5,597	50,593,966	16,916,000	995,000	2,523,136
14	May 11, 2021 22:03	5,603	43,083,281	15,938,000	1,992,000	2,523,136
15	May 11, 2021 22:03	5,603	47,419,111	16,932,000	996,000	2,396,160
16	May 11, 2021 22:05	5,608	37,018,199	15,952,000	1,994,000	2,510,848
17	May 11, 2021 22:05	5,610	36,092,687	14,960,000	2,992,000	2,523,136
18	May 11, 2021 22:03	5,610	35,467,904	15,959,000	1,994,000	2,396,160
19	May 11, 2021 22:03	5,612	44,973,688	15,963,000	1,995,000	2,387,968
20	May 11, 2021 22:05	5,617	43,140,332	16,975,000	998,000	2,396,160
21	May 11, 2021 22:05	5,618	42,943,829	15,981,000	1,997,000	2,523,136
22	May 11, 2021 22:03	5,618	38,851,498	16,978,000	998,000	2,523,136
23	May 11, 2021 22:03	5,620	49,776,284	15,986,000	1,998,000	2,506,752
24	May 11, 2021 22:03	5,621	51,975,077	15,989,000	1,998,000	2,260,992
25	May 11, 2021 22:03	5,621	45,840,710	16,987,000	999,000	2,506,752
26	May 11, 2021 22:03	5,704	33,761,384	16,225,000	2,028,000	2,260,992
27	May 11, 2021 22:05	5,737	76,047,892	18,358,980	0	2,269,184
28	May 11, 2021 22:03	5,759	79,135,954	18,427,577	0	2,277,376
29	May 11, 2021 22:03	5,767	87,138,130	18,453,137	0	2,277,376
30	May 11, 2021 22:05	5,770	70,936,301	18,463,310	0	2,281,472
31	May 11, 2021 22:03	5,781	88,089,784	18,500,472	0	2,285,568
32	May 11, 2021 22:03	5,783	81,786,256	18,505,700	0	2,285,568
33	May 11, 2021 22:03	5,794	85,742,395	18,539,306	0	2,269,184
34	May 11, 2021 22:05	5,801	89,018,791	18,563,615	0	2,277,376
35	May 11, 2021 22:03	5,807	83,308,291	18,581,840	0	2,277,376
36	May 11, 2021 22:03	5,843	34,807,355	17,715,000	984,000	2,260,992

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