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 11:48

Sergey Stremin

Score: 5,453

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 17, 2021 11:48	5,406	36,444,199	16,282,000	1,017,000	2,379,776
2	May 17, 2021 11:45	5,417	45,450,684	15,295,000	2,039,000	2,375,680
3	May 17, 2021 11:45	5,424	38,887,626	16,336,000	1,021,000	2,363,392
4	May 17, 2021 11:45	5,424	40,750,789	15,315,000	2,042,000	2,371,584
5	May 17, 2021 11:48	5,425	43,181,565	15,317,000	2,042,000	2,371,584
6	May 17, 2021 11:45	5,427	42,694,067	16,346,000	1,021,000	2,277,376
7	May 17, 2021 11:45	5,427	39,738,610	16,346,000	1,021,000	2,367,488
8	May 17, 2021 11:45	5,429	35,298,335	17,372,000	0	2,371,584
9	May 17, 2021 11:45	5,430	42,179,625	17,375,000	0	2,367,488
10	May 17, 2021 11:45	5,433	36,421,852	16,364,000	1,022,000	2,277,376
11	May 17, 2021 11:48	5,433	42,930,904	15,340,000	2,045,000	2,367,488
12	May 17, 2021 11:45	5,434	34,504,158	16,367,000	1,022,000	2,281,472
13	May 17, 2021 11:45	5,438	42,365,733	16,379,000	1,023,000	2,363,392
14	May 17, 2021 11:45	5,441	40,974,955	15,364,000	2,048,000	2,277,376
15	May 17, 2021 11:45	5,443	34,163,499	17,418,000	0	2,277,376
16	May 17, 2021 11:48	5,443	40,626,149	17,419,000	0	2,277,376
17	May 17, 2021 11:45	5,443	41,491,949	16,395,000	1,024,000	2,375,680
18	May 17, 2021 11:45	5,443	38,367,072	16,393,000	1,024,000	2,371,584
19	May 17, 2021 11:45	5,447	38,192,043	17,430,000	0	2,367,488
20	May 17, 2021 11:45	5,447	40,259,319	15,379,000	2,050,000	2,367,488
21	May 17, 2021 11:48	5,449	35,613,085	17,436,000	0	2,277,376
22	May 17, 2021 11:45	5,449	35,203,367	16,413,000	1,025,000	2,277,376
23	May 17, 2021 11:45	5,451	35,983,703	17,444,000	0	2,375,680
24	May 17, 2021 11:45	5,451	38,802,754	17,444,000	0	2,281,472
25	May 17, 2021 11:48	5,453	36,857,254	16,424,000	1,026,000	2,277,376
26	May 17, 2021 11:45	5,453	34,275,999	16,425,000	1,026,000	2,281,472
27	May 17, 2021 11:45	5,456	39,935,551	17,460,000	0	2,277,376
28	May 17, 2021 11:45	5,458	44,384,495	16,438,000	1,027,000	2,379,776
29	May 17, 2021 11:48	5,459	34,624,765	15,414,000	2,055,000	2,277,376
30	May 17, 2021 11:48	5,460	38,444,809	15,416,000	2,055,000	2,375,680
31	May 17, 2021 11:45	5,460	33,861,025	17,472,000	0	2,371,584
32	May 17, 2021 11:45	5,462	34,530,464	16,451,000	1,028,000	2,277,376
33	May 17, 2021 11:45	5,464	39,673,590	16,457,000	1,028,000	2,277,376
34	May 17, 2021 11:45	5,466	41,736,794	17,491,000	0	2,277,376
35	May 17, 2021 11:45	5,470	36,140,292	17,505,000	0	2,277,376
36	May 17, 2021 11:48	5,493	43,128,502	17,576,000	0	2,363,392
37	May 17, 2021 11:45	5,649	79,258,066	18,077,092	0	2,248,704
38	May 17, 2021 11:45	5,666	77,141,240	18,131,793	0	2,240,512
39	May 17, 2021 11:45	5,684	86,297,669	18,189,237	0	2,236,416
40	May 17, 2021 11:45	5,688	66,846,030	18,202,048	0	2,228,224
41	May 17, 2021 11:45	5,698	80,919,915	18,234,336	0	2,240,512
42	May 17, 2021 11:48	5,700	105,961,392	18,239,641	0	2,236,416
43	May 17, 2021 11:45	5,702	66,237,386	18,247,723	0	2,240,512
44	May 17, 2021 11:45	5,720	61,100,587	18,305,573	0	2,232,320
45	May 17, 2021 11:45	5,724	81,890,112	18,318,149	0	2,240,512
46	May 17, 2021 11:45	5,741	81,567,817	18,372,530	0	2,244,608
47	May 17, 2021 11:48	5,741	78,501,653	18,370,620	0	2,244,608
48	May 17, 2021 11:48	5,754	84,089,634	18,413,510	0	2,244,608

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