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 listSep 5, 2021 05:56

Ilya Aniskovets

Score: 5,660

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 5, 2021 05:56	5,456	38,708,444	16,432,000	1,027,000	2,523,136
2	Sep 5, 2021 05:56	5,463	39,813,492	17,480,000	0	2,289,664
3	Sep 5, 2021 05:56	5,484	39,277,226	16,518,000	1,032,000	2,289,664
4	Sep 5, 2021 05:55	5,485	38,583,918	17,552,000	0	2,281,472
5	Sep 5, 2021 05:55	5,491	43,669,672	16,538,000	1,033,000	2,289,664
6	Sep 5, 2021 05:55	5,498	42,294,676	16,559,000	1,034,000	2,289,664
7	Sep 5, 2021 05:56	5,499	44,894,519	16,561,000	1,035,000	2,281,472
8	Sep 5, 2021 05:56	5,502	39,546,714	16,570,000	1,035,000	2,269,184
9	Sep 5, 2021 05:56	5,504	43,250,948	16,576,000	1,036,000	2,277,376
10	Sep 5, 2021 05:55	5,505	45,145,194	16,579,000	1,036,000	2,289,664
11	Sep 5, 2021 05:55	5,516	42,431,506	16,613,000	1,038,000	2,531,328
12	Sep 5, 2021 05:55	5,518	42,935,463	17,657,000	0	2,289,664
13	Sep 5, 2021 05:56	5,518	35,212,804	16,619,000	1,038,000	2,273,280
14	Sep 5, 2021 05:56	5,519	44,516,428	17,660,000	0	2,379,776
15	Sep 5, 2021 05:55	5,524	45,382,082	16,639,000	1,039,000	2,269,184
16	Sep 5, 2021 05:55	5,528	50,124,477	16,649,000	1,040,000	2,527,232
17	Sep 5, 2021 05:56	5,585	37,813,583	15,887,000	1,985,000	2,289,664
18	Sep 5, 2021 05:55	5,656	87,028,157	18,100,507	0	2,301,952
19	Sep 5, 2021 05:55	5,660	85,054,892	18,112,260	0	2,306,048
20	Sep 5, 2021 05:55	5,679	42,820,252	16,153,000	2,019,000	2,355,200
21	Sep 5, 2021 05:55	5,679	122,452,332	18,171,347	0	2,174,976
22	Sep 5, 2021 05:56	5,706	90,064,977	18,257,971	0	2,297,856
23	Sep 5, 2021 05:56	5,738	87,398,604	18,361,518	0	2,289,664
24	Sep 5, 2021 05:56	5,749	63,704,311	18,397,090	0	2,179,072
25	Sep 5, 2021 05:56	5,814	47,499,251	17,571,000	1,033,000	2,289,664
26	Sep 5, 2021 05:56	5,818	46,709,218	18,617,000	0	2,527,232
27	Sep 5, 2021 05:56	5,821	34,267,340	17,594,000	1,034,000	2,269,184
28	Sep 5, 2021 05:56	5,829	47,170,994	16,581,000	2,072,000	2,289,664
29	Sep 5, 2021 05:56	5,883	44,747,321	16,845,000	1,981,000	2,289,664
30	Sep 5, 2021 05:56	5,887	46,429,396	17,848,000	991,000	2,289,664
31	Sep 5, 2021 05:56	5,897	35,087,349	16,884,000	1,986,000	2,367,488
32	Sep 5, 2021 05:56	5,899	45,684,767	16,891,000	1,987,000	2,289,664
33	Sep 5, 2021 05:56	5,900	44,639,864	17,888,000	993,000	2,277,376
34	Sep 5, 2021 05:56	6,116	73,229,379	19,571,469	0	2,297,856
35	Sep 5, 2021 05:56	6,154	97,022,058	19,692,124	0	2,301,952
36	Sep 5, 2021 05:56	6,165	91,179,451	19,728,596	0	2,281,472

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