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 11:56

Sergey Stremin

Score: 5,457

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 17, 2021 11:56	5,430	34,029,630	16,353,000	1,022,000	2,281,472
2	May 17, 2021 11:56	5,431	40,510,757	17,380,000	0	2,371,584
3	May 17, 2021 11:56	5,433	48,173,734	15,342,000	2,045,000	2,277,376
4	May 17, 2021 11:56	5,439	42,334,894	16,383,000	1,023,000	2,375,680
5	May 17, 2021 11:56	5,440	43,861,044	15,360,000	2,048,000	2,359,296
6	May 17, 2021 11:56	5,441	44,044,324	17,412,000	0	2,367,488
7	May 17, 2021 11:56	5,441	46,972,329	16,386,000	1,024,000	2,367,488
8	May 17, 2021 11:56	5,444	35,221,254	17,422,000	0	2,379,776
9	May 17, 2021 11:56	5,444	36,581,987	16,396,000	1,024,000	2,277,376
10	May 17, 2021 11:56	5,444	31,559,699	17,422,000	0	2,375,680
11	May 17, 2021 11:56	5,445	34,131,925	16,400,000	1,025,000	2,277,376
12	May 17, 2021 11:56	5,445	40,894,881	16,399,000	1,024,000	2,375,680
13	May 17, 2021 11:56	5,446	44,996,474	16,401,000	1,025,000	2,277,376
14	May 17, 2021 11:56	5,446	43,721,256	17,427,000	0	2,375,680
15	May 17, 2021 11:56	5,448	39,286,557	16,408,000	1,025,000	2,359,296
16	May 17, 2021 11:56	5,454	34,150,520	15,401,000	2,053,000	2,359,296
17	May 17, 2021 11:56	5,454	35,072,828	17,453,000	0	2,375,680
18	May 17, 2021 11:56	5,456	40,107,842	17,458,000	0	2,367,488
19	May 17, 2021 11:56	5,457	48,961,983	15,409,000	2,054,000	2,375,680
20	May 17, 2021 11:56	5,462	38,411,863	16,450,000	1,028,000	2,371,584
21	May 17, 2021 11:56	5,467	40,464,046	17,493,000	0	2,281,472
22	May 17, 2021 11:56	5,467	33,064,560	17,493,000	0	2,367,488
23	May 17, 2021 11:56	5,468	31,481,147	16,470,000	1,029,000	2,277,376
24	May 17, 2021 11:56	5,469	33,420,066	17,502,000	0	2,277,376
25	May 17, 2021 11:56	5,473	34,061,732	16,484,000	1,030,000	2,277,376
26	May 17, 2021 11:56	5,476	36,873,713	16,492,000	1,030,000	2,277,376
27	May 17, 2021 11:56	5,476	38,913,827	16,493,000	1,030,000	2,277,376
28	May 17, 2021 11:56	5,683	83,932,152	18,184,479	0	2,236,416
29	May 17, 2021 11:56	5,683	99,763,327	18,185,962	0	2,248,704
30	May 17, 2021 11:56	5,692	56,763,339	18,213,750	0	2,232,320
31	May 17, 2021 11:56	5,700	70,103,103	18,239,338	0	2,240,512
32	May 17, 2021 11:56	5,700	81,942,627	18,239,847	0	2,240,512
33	May 17, 2021 11:56	5,707	89,188,450	18,262,714	0	2,240,512
34	May 17, 2021 11:56	5,716	83,901,681	18,292,257	0	2,240,512
35	May 17, 2021 11:56	5,721	74,502,327	18,307,189	0	2,240,512
36	May 17, 2021 11:56	5,820	79,816,187	18,624,188	0	2,244,608

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