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 16, 2021 18:29

Yuriy Lyfenko

Score: 5,457

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 18:30	5,404	2,262,185,304	16,334,000	960,000	2,527,232
2	May 16, 2021 18:30	5,405	1,216,812,930	15,375,000	1,921,000	2,400,256
3	May 16, 2021 18:30	5,409	1,118,587,239	16,291,000	1,018,000	2,392,064
4	May 16, 2021 18:30	5,410	1,981,050,819	16,294,000	1,018,000	2,265,088
5	May 16, 2021 18:29	5,410	1,557,663,092	16,293,000	1,018,000	2,527,232
6	May 16, 2021 18:30	5,415	2,775,004,700	15,402,000	1,925,000	2,527,232
7	May 16, 2021 18:30	5,417	547,841,372	17,333,000	0	2,265,088
8	May 16, 2021 18:30	5,419	2,343,442,704	16,321,000	1,020,000	2,265,088
9	May 16, 2021 18:30	5,423	2,870,140,910	16,390,000	964,000	2,265,088
10	May 16, 2021 18:30	5,424	2,697,999,839	15,429,000	1,928,000	2,265,088
11	May 16, 2021 18:29	5,428	1,479,226,623	17,370,000	0	2,260,992
12	May 16, 2021 18:30	5,436	499,378,306	17,395,000	0	2,400,256
13	May 16, 2021 18:29	5,437	1,834,465,364	15,464,000	1,933,000	2,523,136
14	May 16, 2021 18:30	5,437	2,711,936,287	13,532,000	3,866,000	2,523,136
15	May 16, 2021 18:30	5,438	660,517,709	15,470,000	1,933,000	2,265,088
16	May 16, 2021 18:30	5,442	2,105,696,740	15,480,000	1,935,000	2,527,232
17	May 16, 2021 18:29	5,444	855,530,701	16,453,000	967,000	2,260,992
18	May 16, 2021 18:29	5,450	1,761,478,615	16,472,000	968,000	2,519,040
19	May 16, 2021 18:29	5,457	1,865,859,986	16,493,000	970,000	2,519,040
20	May 16, 2021 18:30	5,460	2,167,815,839	16,444,000	1,027,000	2,269,184
21	May 16, 2021 18:30	5,460	1,521,150,479	16,502,000	970,000	2,265,088
22	May 16, 2021 18:29	5,462	1,135,657,393	15,536,000	1,942,000	2,392,064
23	May 16, 2021 18:30	5,463	254,102,430	17,480,000	0	2,523,136
24	May 16, 2021 18:30	5,463	625,708,952	17,483,000	0	2,527,232
25	May 16, 2021 18:29	5,466	257,139,543	16,521,000	971,000	2,379,776
26	May 16, 2021 18:29	5,474	2,549,925,977	17,518,000	0	2,260,992
27	May 16, 2021 18:30	5,496	2,908,606,745	15,632,000	1,954,000	2,523,136
28	May 16, 2021 18:30	5,583	1,822,437,071	17,864,908	0	2,277,376
29	May 16, 2021 18:30	5,585	962,751,991	17,872,915	0	2,277,376
30	May 16, 2021 18:30	5,593	2,107,769,221	17,897,799	0	2,277,376
31	May 16, 2021 18:30	5,593	936,128,895	17,898,887	0	2,277,376
32	May 16, 2021 18:30	5,627	2,279,155,724	18,005,894	0	2,281,472
33	May 16, 2021 18:29	5,629	1,750,206,695	18,011,761	0	2,281,472
34	May 16, 2021 18:30	5,634	1,831,542,820	18,028,071	0	2,281,472
35	May 16, 2021 18:29	5,642	581,822,006	18,053,863	0	2,277,376
36	May 16, 2021 18:29	5,654	187,465,275	18,093,363	0	2,281,472

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