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 13, 2021 23:26

Yuriy Lyfenko

Score: 5,462

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 13, 2021 23:26	5,415	38,363,649	16,308,000	1,019,000	2,523,136
2	May 13, 2021 23:26	5,423	38,903,705	16,335,000	1,020,000	2,392,064
3	May 13, 2021 23:26	5,425	45,781,588	16,338,000	1,021,000	2,523,136
4	May 13, 2021 23:26	5,428	37,120,482	16,349,000	1,021,000	2,265,088
5	May 13, 2021 23:26	5,431	34,148,852	17,378,000	0	2,396,160
6	May 13, 2021 23:26	5,432	36,659,107	17,383,000	0	2,387,968
7	May 13, 2021 23:26	5,434	43,281,267	17,389,000	0	2,260,992
8	May 13, 2021 23:26	5,436	36,511,418	16,372,000	1,023,000	2,383,872
9	May 13, 2021 23:26	5,438	34,254,120	16,377,000	1,023,000	2,260,992
10	May 13, 2021 23:26	5,439	35,518,900	16,381,000	1,023,000	2,260,992
11	May 13, 2021 23:26	5,442	47,275,178	17,414,000	0	2,379,776
12	May 13, 2021 23:26	5,443	50,112,260	16,393,000	1,024,000	2,260,992
13	May 13, 2021 23:26	5,443	40,580,873	16,394,000	1,024,000	2,523,136
14	May 13, 2021 23:26	5,444	39,425,311	15,371,000	2,049,000	2,387,968
15	May 13, 2021 23:26	5,447	35,892,952	15,381,000	2,050,000	2,396,160
16	May 13, 2021 23:26	5,449	39,138,366	16,413,000	1,025,000	2,260,992
17	May 13, 2021 23:26	5,450	40,687,889	16,415,000	1,025,000	2,260,992
18	May 13, 2021 23:26	5,452	35,198,420	15,393,000	2,052,000	2,510,848
19	May 13, 2021 23:26	5,453	44,244,245	15,396,000	2,052,000	2,523,136
20	May 13, 2021 23:26	5,455	40,861,458	17,457,000	0	2,392,064
21	May 13, 2021 23:26	5,456	33,194,841	17,458,000	0	2,256,896
22	May 13, 2021 23:26	5,457	33,488,678	15,409,000	2,054,000	2,400,256
23	May 13, 2021 23:26	5,458	38,210,166	15,410,000	2,054,000	2,396,160
24	May 13, 2021 23:26	5,459	40,369,204	16,442,000	1,027,000	2,260,992
25	May 13, 2021 23:26	5,462	42,561,454	15,422,000	2,056,000	2,408,448
26	May 13, 2021 23:26	5,463	34,864,580	16,454,000	1,028,000	2,527,232
27	May 13, 2021 23:26	5,463	38,802,211	17,483,000	0	2,392,064
28	May 13, 2021 23:26	5,465	38,765,568	17,489,000	0	2,396,160
29	May 13, 2021 23:26	5,465	39,123,609	16,461,000	1,028,000	2,396,160
30	May 13, 2021 23:26	5,468	33,902,198	17,497,000	0	2,260,992
31	May 13, 2021 23:26	5,472	43,349,620	16,480,000	1,030,000	2,396,160
32	May 13, 2021 23:26	5,475	39,560,326	16,491,000	1,030,000	2,400,256
33	May 13, 2021 23:26	5,477	41,389,817	17,527,000	0	2,506,752
34	May 13, 2021 23:26	5,478	48,300,074	15,468,000	2,062,000	2,396,160
35	May 13, 2021 23:26	5,480	36,533,712	16,506,000	1,031,000	2,387,968
36	May 13, 2021 23:26	5,492	33,186,080	16,542,000	1,033,000	2,260,992
37	May 13, 2021 23:26	5,649	82,480,863	18,075,718	0	2,285,568
38	May 13, 2021 23:26	5,657	85,053,944	18,102,042	0	2,273,280
39	May 13, 2021 23:26	5,662	75,746,638	18,119,918	0	2,285,568
40	May 13, 2021 23:26	5,671	84,567,686	18,147,394	0	2,277,376
41	May 13, 2021 23:26	5,672	61,589,773	18,149,183	0	2,273,280
42	May 13, 2021 23:26	5,677	83,343,652	18,167,876	0	2,277,376
43	May 13, 2021 23:26	5,680	84,135,020	18,175,342	0	2,273,280
44	May 13, 2021 23:26	5,682	73,982,469	18,181,337	0	2,285,568
45	May 13, 2021 23:26	5,691	93,043,514	18,209,673	0	2,277,376
46	May 13, 2021 23:26	5,700	65,733,375	18,239,566	0	2,273,280
47	May 13, 2021 23:26	5,709	83,323,938	18,267,943	0	2,277,376
48	May 13, 2021 23:26	5,710	91,236,057	18,270,831	0	2,281,472

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