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 15, 2021 22:19

Yuriy Lyfenko

Score: 5,677

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 15, 2021 20:53	5,425	40,934,442	15,317,000	2,042,000	2,523,136
2	May 15, 2021 20:53	5,449	33,175,237	16,411,000	1,025,000	2,392,064
3	May 15, 2021 20:53	5,451	37,044,002	17,443,000	0	2,260,992
4	May 15, 2021 20:53	5,453	37,812,614	15,397,000	2,053,000	2,392,064
5	May 15, 2021 20:53	5,460	47,689,318	14,388,000	3,083,000	2,400,256
6	May 15, 2021 20:53	5,463	39,177,147	16,452,000	1,028,000	2,523,136
7	May 15, 2021 20:53	5,464	34,889,537	17,485,000	0	2,260,992
8	May 15, 2021 20:53	5,470	44,874,526	17,504,000	0	2,387,968
9	May 15, 2021 20:53	5,502	45,684,566	15,534,000	2,071,000	2,523,136
10	May 15, 2021 20:49	5,636	45,125,531	17,034,000	1,002,000	2,387,968
11	May 15, 2021 20:49	5,651	43,106,564	16,073,000	2,009,000	2,396,160
12	May 15, 2021 20:49	5,651	37,983,993	16,075,000	2,009,000	2,392,064
13	May 15, 2021 20:49	5,652	45,026,862	17,082,000	1,004,000	2,387,968
14	May 15, 2021 21:30	5,653	42,942,959	17,085,000	1,005,000	2,523,136
15	May 15, 2021 20:49	5,654	48,072,501	17,087,000	1,005,000	2,260,992
16	May 15, 2021 20:53	5,657	83,093,071	18,102,676	0	2,285,568
17	May 15, 2021 20:49	5,662	44,078,021	15,098,000	3,019,000	2,523,136
18	May 15, 2021 20:49	5,662	43,989,898	16,104,000	2,013,000	2,392,064
19	May 15, 2021 21:30	5,668	38,660,163	16,123,000	2,015,000	2,523,136
20	May 15, 2021 20:49	5,668	46,901,841	14,108,000	4,030,000	2,523,136
21	May 15, 2021 20:49	5,668	48,852,094	17,130,000	1,007,000	2,260,992
22	May 15, 2021 21:30	5,670	42,353,838	15,121,000	3,024,000	2,392,064
23	May 15, 2021 20:53	5,670	72,999,469	18,143,496	0	2,285,568
24	May 15, 2021 20:49	5,671	48,796,536	17,140,000	1,008,000	2,392,064
25	May 15, 2021 20:49	5,675	48,465,713	17,151,000	1,008,000	2,260,992
26	May 15, 2021 21:30	5,677	37,162,205	16,147,000	2,018,000	2,523,136
27	May 15, 2021 20:49	5,677	34,169,648	16,149,000	2,018,000	2,260,992
28	May 15, 2021 20:49	5,679	47,886,215	16,153,000	2,019,000	2,387,968
29	May 15, 2021 20:49	5,684	45,583,002	15,158,000	3,031,000	2,400,256
30	May 15, 2021 21:30	5,685	32,339,070	16,172,000	2,021,000	2,400,256
31	May 15, 2021 20:49	5,688	46,422,430	15,167,000	3,033,000	2,260,992
32	May 15, 2021 21:30	5,693	42,494,656	17,207,000	1,012,000	2,523,136
33	May 15, 2021 21:30	5,698	33,148,571	17,221,000	1,013,000	2,387,968
34	May 15, 2021 21:30	5,700	45,250,546	16,214,000	2,026,000	2,523,136
35	May 15, 2021 20:49	5,702	43,076,122	17,232,000	1,013,000	2,392,064
36	May 15, 2021 20:53	5,702	54,894,088	18,245,957	0	2,277,376
37	May 15, 2021 20:49	5,705	39,848,193	17,243,000	1,014,000	2,387,968
38	May 15, 2021 20:49	5,718	45,044,736	16,264,000	2,033,000	2,260,992
39	May 15, 2021 21:30	5,719	49,509,665	16,374,000	1,926,000	2,392,064
40	May 15, 2021 21:30	5,854	91,449,662	18,733,594	0	2,277,376
41	May 15, 2021 20:49	5,864	100,563,169	18,765,249	0	2,281,472
42	May 15, 2021 21:30	5,873	83,771,098	18,794,221	0	2,273,280
43	May 15, 2021 20:49	5,913	123,931,107	18,922,521	0	2,281,472
44	May 15, 2021 20:49	5,916	90,797,746	18,930,266	0	2,273,280
45	May 15, 2021 20:49	5,916	72,033,942	18,931,782	0	2,277,376
46	May 15, 2021 21:30	5,917	67,789,397	18,934,496	0	2,277,376
47	May 15, 2021 20:49	5,922	77,332,714	18,948,862	0	2,277,376
48	May 15, 2021 20:49	5,943	78,661,704	19,016,709	0	2,273,280
49	May 15, 2021 22:19	15,844	120,600,599	50,701,503	0	2,277,376
50	May 15, 2021 22:19	15,847	119,935,088	50,711,299	0	2,281,472
51	May 15, 2021 22:19	15,847	108,991,427	50,711,913	0	2,285,568

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