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 listJun 7, 2023 08:13

Alexander Monakov

Score: 4,557

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 7, 2023 08:12	4,512	32,798,908	14,437,000	0	2,338,816
2	Jun 7, 2023 08:12	4,513	29,923,715	14,443,000	0	2,338,816
3	Jun 7, 2023 08:13	4,527	33,520,578	13,453,000	1,034,000	2,330,624
4	Jun 7, 2023 08:13	4,531	34,038,091	14,499,000	0	2,338,816
5	Jun 7, 2023 08:13	4,533	34,274,570	14,505,000	0	2,494,464
6	Jul 16, 2023 15:00	4,534	30,465,095	14,508,000	0	2,490,368
7	Jul 16, 2023 15:00	4,537	29,251,118	14,518,000	0	2,494,464
8	Jun 7, 2023 08:12	4,538	45,618,940	13,484,000	1,037,000	2,338,816
9	Jul 16, 2023 15:00	4,539	38,937,072	14,526,000	0	2,338,816
10	Jun 7, 2023 08:13	4,541	32,898,986	13,493,000	1,037,000	2,330,624
11	Jul 16, 2023 15:00	4,541	38,982,640	14,530,000	0	2,494,464
12	Jun 7, 2023 08:12	4,543	33,688,346	14,537,000	0	2,494,464
13	Jun 7, 2023 08:12	4,547	33,260,576	14,549,000	0	2,498,560
14	Jun 7, 2023 08:12	4,549	34,278,247	14,556,000	0	2,490,368
15	Jul 16, 2023 15:00	4,552	29,971,106	13,526,000	1,040,000	2,338,816
16	Jun 7, 2023 08:12	4,553	31,096,041	14,570,000	0	2,334,720
17	Jun 7, 2023 08:12	4,554	30,541,924	14,574,000	0	2,338,816
18	Jul 16, 2023 15:00	4,556	32,351,497	14,579,000	0	2,498,560
19	Jun 7, 2023 08:13	4,557	27,857,259	14,583,000	0	2,506,752
20	Jul 16, 2023 15:00	4,558	35,748,492	14,584,000	0	2,338,816
21	Jun 7, 2023 08:13	4,559	36,396,233	13,547,000	1,042,000	2,498,560
22	Jul 16, 2023 15:00	4,560	31,340,986	14,592,000	0	2,338,816
23	Jun 7, 2023 08:13	4,563	36,434,207	13,559,000	1,043,000	2,494,464
24	Jun 7, 2023 08:12	4,565	28,871,455	14,608,000	0	2,498,560
25	Jun 7, 2023 08:13	4,566	31,350,573	13,568,000	1,043,000	2,486,272
26	Jul 16, 2023 15:00	4,571	49,486,634	13,583,000	1,044,000	2,338,816
27	Jun 7, 2023 08:13	4,585	42,248,046	13,624,000	1,048,000	2,498,560
28	Jul 16, 2023 15:00	4,779	63,597,792	15,292,620	0	2,207,744
29	Jun 7, 2023 08:13	4,783	86,238,741	15,306,705	0	2,256,896
30	Jun 7, 2023 08:12	4,794	96,516,950	15,341,787	0	2,207,744
31	Jun 7, 2023 08:12	4,798	93,536,063	15,354,782	0	2,260,992
32	Jun 7, 2023 08:13	4,809	77,055,705	15,390,388	0	2,191,360
33	Jun 7, 2023 08:13	4,810	101,819,342	15,390,535	0	2,211,840
34	Jul 16, 2023 15:00	4,839	93,441,256	15,483,846	0	2,207,744
35	Jun 7, 2023 08:12	4,848	65,942,807	15,513,108	0	2,203,648
36	Jul 16, 2023 15:00	5,266	59,496,574	16,850,042	0	2,207,744

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