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 listJul 13, 2021 19:55

Yuriy Lyfenko

Score: 5,682

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 13, 2021 19:55	5,637	548,747,970	15,032,000	3,006,000	2,523,136
2	Jul 13, 2021 19:55	5,640	544,559,872	15,041,000	3,008,000	2,514,944
3	Jul 13, 2021 19:55	5,641	547,465,262	16,046,000	2,005,000	2,334,720
4	Jul 13, 2021 19:55	5,644	541,950,460	16,054,000	2,006,000	2,330,624
5	Jul 13, 2021 19:55	5,648	542,395,763	16,066,000	2,008,000	2,330,624
6	Jul 13, 2021 19:55	5,656	541,481,538	16,089,000	2,011,000	2,334,720
7	Jul 13, 2021 19:55	5,663	542,848,321	16,107,000	2,013,000	2,523,136
8	Jul 13, 2021 19:55	5,667	544,746,350	16,120,000	2,015,000	2,334,720
9	Jul 13, 2021 19:55	5,668	538,675,228	16,124,000	2,015,000	2,514,944
10	Jul 13, 2021 19:55	5,669	544,581,453	16,127,000	2,015,000	2,523,136
11	Jul 13, 2021 19:55	5,670	545,165,858	15,121,000	3,024,000	2,519,040
12	Jul 13, 2021 19:55	5,671	541,997,576	16,131,000	2,016,000	2,527,232
13	Jul 13, 2021 19:55	5,673	543,948,858	16,137,000	2,017,000	2,531,328
14	Jul 13, 2021 19:55	5,675	545,223,074	16,142,000	2,017,000	2,330,624
15	Jul 13, 2021 19:55	5,676	536,487,798	14,127,000	4,036,000	2,330,624
16	Jul 13, 2021 19:55	5,676	542,846,163	16,145,000	2,018,000	2,330,624
17	Jul 13, 2021 19:55	5,677	578,044,059	18,166,131	0	2,252,800
18	Jul 13, 2021 19:55	5,678	545,533,806	15,140,000	3,028,000	2,334,720
19	Jul 13, 2021 19:55	5,682	539,572,447	16,162,000	2,020,000	2,334,720
20	Jul 13, 2021 19:55	5,685	581,986,281	18,192,775	0	2,256,896
21	Jul 13, 2021 19:55	5,687	541,469,066	16,176,000	2,022,000	2,330,624
22	Jul 13, 2021 19:55	5,689	541,733,295	15,170,000	3,034,000	2,351,104
23	Jul 13, 2021 19:55	5,702	542,095,887	15,206,000	3,041,000	2,330,624
24	Jul 13, 2021 19:55	5,702	573,669,568	18,247,651	0	2,256,896
25	Jul 13, 2021 19:55	5,704	546,115,306	15,210,000	3,042,000	2,330,624
26	Jul 13, 2021 19:55	5,705	541,657,937	15,214,000	3,042,000	2,330,624
27	Jul 13, 2021 19:55	5,710	587,361,178	18,271,572	0	2,228,224
28	Jul 13, 2021 19:55	5,711	547,677,219	16,246,000	2,030,000	2,334,720
29	Jul 13, 2021 19:55	5,713	540,826,705	15,236,000	3,047,000	2,334,720
30	Jul 13, 2021 19:55	5,717	583,773,051	18,293,451	0	2,232,320
31	Jul 13, 2021 19:55	5,721	541,653,274	15,255,000	3,051,000	2,334,720
32	Jul 13, 2021 19:55	5,722	540,676,394	16,276,000	2,034,000	2,330,624
33	Jul 13, 2021 19:55	5,730	571,999,825	18,336,341	0	2,224,128
34	Jul 13, 2021 19:55	5,736	573,698,394	18,354,758	0	2,256,896
35	Jul 13, 2021 19:55	5,777	584,961,540	18,487,425	0	2,256,896
36	Jul 13, 2021 19:55	5,786	587,945,369	18,516,426	0	2,240,512

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