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 17, 2021 23:12

Yuriy Lyfenko

Score: 5,266

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 17, 2021 23:13	5,227	4,204,370,982	14,636,000	2,090,000	2,265,088
2	May 17, 2021 23:13	5,235	1,650,342,128	15,767,000	985,000	2,527,232
3	May 17, 2021 23:13	5,237	3,106,761,439	15,774,000	985,000	2,527,232
4	May 17, 2021 23:14	5,239	4,832,884,148	15,719,000	1,047,000	2,523,136
5	May 17, 2021 23:13	5,241	2,780,759,343	14,797,000	1,973,000	2,269,184
6	May 17, 2021 23:13	5,247	2,722,562,506	15,804,000	987,000	2,519,040
7	May 17, 2021 23:12	5,249	3,159,744,748	15,810,000	988,000	2,523,136
8	May 17, 2021 23:12	5,249	2,189,003,889	15,808,000	988,000	2,523,136
9	May 17, 2021 23:14	5,249	3,773,444,474	13,834,000	2,964,000	2,523,136
10	May 17, 2021 23:12	5,250	423,732,839	16,801,000	0	2,396,160
11	May 17, 2021 23:14	5,254	2,801,216,523	14,835,000	1,978,000	2,260,992
12	May 17, 2021 23:14	5,256	4,331,822,896	14,841,000	1,978,000	2,519,040
13	May 17, 2021 23:12	5,257	3,057,740,859	16,821,000	0	2,260,992
14	May 17, 2021 23:14	5,260	3,067,191,093	16,832,000	0	2,260,992
15	May 17, 2021 23:14	5,260	2,276,488,236	15,898,000	935,000	2,519,040
16	May 17, 2021 23:12	5,261	3,147,974,835	13,865,000	2,971,000	2,269,184
17	May 17, 2021 23:14	5,262	1,434,744,266	14,858,000	1,981,000	2,265,088
18	May 17, 2021 23:14	5,264	1,952,044,764	15,854,000	990,000	2,265,088
19	May 17, 2021 23:12	5,266	3,275,633,900	15,861,000	991,000	2,523,136
20	May 17, 2021 23:13	5,274	4,658,580,629	15,886,000	992,000	2,523,136
21	May 17, 2021 23:12	5,277	2,924,255,163	16,886,000	0	2,523,136
22	May 17, 2021 23:13	5,281	2,881,183,763	16,899,000	0	2,260,992
23	May 17, 2021 23:14	5,288	660,010,703	16,922,000	0	2,260,992
24	May 17, 2021 23:13	5,290	4,301,914,823	15,932,000	995,000	2,519,040
25	May 17, 2021 23:12	5,297	3,060,703,882	15,953,000	997,000	2,523,136
26	May 17, 2021 23:12	5,300	4,833,616,035	16,960,000	0	2,519,040
27	May 17, 2021 23:13	5,300	2,987,637,585	14,964,000	1,995,000	2,260,992
28	May 17, 2021 23:13	5,431	1,873,950,067	17,378,128	0	2,285,568
29	May 17, 2021 23:12	5,443	2,413,424,231	17,418,274	0	2,285,568
30	May 17, 2021 23:14	5,445	2,503,710,977	17,423,040	0	2,285,568
31	May 17, 2021 23:14	5,454	4,193,514,472	17,451,690	0	2,289,664
32	May 17, 2021 23:13	5,462	2,646,517,055	17,479,048	0	2,281,472
33	May 17, 2021 23:13	5,462	3,692,884,990	17,478,442	0	2,293,760
34	May 17, 2021 23:12	5,479	5,486,431,436	17,533,124	0	2,289,664
35	May 17, 2021 23:14	5,483	3,626,037,167	17,547,195	0	2,285,568
36	May 17, 2021 23:12	5,489	953,040,193	17,563,914	0	2,281,472

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