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 listNov 1, 2021 15:47

Ilya Aniskovets

Score: 5,507

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Nov 1, 2021 15:47	5,452	52,535,759	16,419,000	1,026,000	2,289,664
2	Nov 1, 2021 15:46	5,459	43,904,766	17,470,000	0	2,289,664
3	Nov 1, 2021 15:45	5,463	40,172,948	17,482,000	0	2,273,280
4	Nov 1, 2021 15:46	5,464	40,296,195	16,457,000	1,028,000	2,269,184
5	Nov 1, 2021 15:47	5,469	43,309,669	17,500,000	0	2,289,664
6	Nov 1, 2021 15:46	5,472	42,091,770	17,511,000	0	2,273,280
7	Nov 1, 2021 15:46	5,472	40,439,024	17,509,000	0	2,289,664
8	Nov 1, 2021 15:45	5,474	40,468,633	16,488,000	1,030,000	2,359,296
9	Nov 1, 2021 15:46	5,478	38,443,953	17,529,000	0	2,289,664
10	Nov 1, 2021 15:45	5,484	40,275,503	16,518,000	1,032,000	2,383,872
11	Nov 1, 2021 15:47	5,488	39,290,789	16,530,000	1,033,000	2,289,664
12	Nov 1, 2021 15:45	5,489	49,290,350	16,531,000	1,033,000	2,289,664
13	Nov 1, 2021 15:47	5,490	46,201,024	16,536,000	1,033,000	2,289,664
14	Nov 1, 2021 15:46	5,496	45,808,584	16,553,000	1,034,000	2,289,664
15	Nov 1, 2021 15:45	5,498	44,398,139	16,560,000	1,035,000	2,289,664
16	Nov 1, 2021 15:47	5,501	41,393,030	17,604,000	0	2,265,088
17	Nov 1, 2021 15:46	5,504	49,445,570	16,576,000	1,036,000	2,289,664
18	Nov 1, 2021 15:45	5,505	42,445,694	16,580,000	1,036,000	2,289,664
19	Nov 1, 2021 15:45	5,507	54,535,176	16,586,000	1,036,000	2,289,664
20	Nov 1, 2021 15:46	5,509	47,352,059	16,593,000	1,037,000	2,289,664
21	Nov 1, 2021 15:47	5,509	36,939,337	16,593,000	1,037,000	2,289,664
22	Nov 1, 2021 15:46	5,512	44,585,473	16,602,000	1,037,000	2,289,664
23	Nov 1, 2021 15:47	5,523	43,873,922	16,691,000	981,000	2,277,376
24	Nov 1, 2021 15:47	5,524	45,205,206	16,638,000	1,039,000	2,281,472
25	Nov 1, 2021 15:45	5,528	45,581,413	16,648,000	1,040,000	2,269,184
26	Nov 1, 2021 15:45	5,536	43,975,679	16,673,000	1,042,000	2,281,472
27	Nov 1, 2021 15:47	5,582	45,737,316	16,870,000	992,000	2,273,280
28	Nov 1, 2021 15:47	5,629	97,956,944	18,012,382	0	2,289,664
29	Nov 1, 2021 15:46	5,629	78,091,578	18,013,206	0	2,301,952
30	Nov 1, 2021 15:47	5,635	76,614,396	18,031,641	0	2,174,976
31	Nov 1, 2021 15:46	5,636	93,421,814	18,036,185	0	2,301,952
32	Nov 1, 2021 15:45	5,636	82,986,746	18,034,147	0	2,174,976
33	Nov 1, 2021 15:45	5,637	109,020,908	18,039,662	0	2,297,856
34	Nov 1, 2021 15:45	5,638	77,553,561	18,041,099	0	2,293,760
35	Nov 1, 2021 15:46	5,645	79,892,775	18,063,631	0	2,289,664
36	Nov 1, 2021 15:47	5,650	66,091,561	18,079,437	0	2,301,952

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