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 listJul 8, 2021 16:40

Yuriy Lyfenko

Score: 5,698

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 8, 2021 16:40	5,660	43,978,399	15,093,000	3,018,000	2,523,136
2	Jul 8, 2021 16:39	5,669	44,661,068	16,126,000	2,015,000	2,527,232
3	Jul 8, 2021 16:39	5,669	36,678,828	16,127,000	2,015,000	2,396,160
4	Jul 8, 2021 16:39	5,669	36,851,483	15,119,000	3,023,000	2,334,720
5	Jul 8, 2021 16:40	5,670	41,802,691	15,120,000	3,024,000	2,326,528
6	Jul 8, 2021 16:41	5,672	46,468,585	15,125,000	3,025,000	2,334,720
7	Jul 8, 2021 16:40	5,674	36,505,924	15,132,000	3,026,000	2,334,720
8	Jul 8, 2021 16:40	5,674	34,956,835	15,131,000	3,026,000	2,334,720
9	Jul 8, 2021 16:41	5,681	95,519,079	18,178,029	0	2,236,416
10	Jul 8, 2021 16:41	5,684	40,901,860	16,168,000	2,021,000	2,334,720
11	Jul 8, 2021 16:39	5,685	43,200,875	15,160,000	3,032,000	2,334,720
12	Jul 8, 2021 16:41	5,685	41,977,685	16,171,000	2,021,000	2,531,328
13	Jul 8, 2021 16:41	5,687	35,413,593	15,166,000	3,033,000	2,527,232
14	Jul 8, 2021 16:40	5,688	32,101,209	16,179,000	2,022,000	2,527,232
15	Jul 8, 2021 16:40	5,689	38,254,546	15,171,000	3,034,000	2,527,232
16	Jul 8, 2021 16:40	5,690	41,290,075	15,173,000	3,034,000	2,523,136
17	Jul 8, 2021 16:41	5,690	39,672,375	15,174,000	3,034,000	2,334,720
18	Jul 8, 2021 16:40	5,692	43,472,677	16,190,000	2,023,000	2,334,720
19	Jul 8, 2021 16:39	5,693	51,142,045	16,193,000	2,024,000	2,334,720
20	Jul 8, 2021 16:40	5,694	42,774,559	16,198,000	2,024,000	2,334,720
21	Jul 8, 2021 16:40	5,694	41,528,955	15,185,000	3,037,000	2,334,720
22	Jul 8, 2021 16:40	5,696	41,444,753	15,189,000	3,037,000	2,523,136
23	Jul 8, 2021 16:39	5,696	77,171,705	18,226,027	0	2,228,224
24	Jul 8, 2021 16:41	5,697	42,261,015	16,204,000	2,025,000	2,334,720
25	Jul 8, 2021 16:40	5,698	76,897,959	18,234,301	0	2,228,224
26	Jul 8, 2021 16:41	5,699	46,339,174	16,211,000	2,026,000	2,334,720
27	Jul 8, 2021 16:39	5,699	46,215,183	16,210,000	2,026,000	2,326,528
28	Jul 8, 2021 16:40	5,701	81,403,363	18,242,819	0	2,224,128
29	Jul 8, 2021 16:41	5,702	40,754,881	16,219,000	2,027,000	2,531,328
30	Jul 8, 2021 16:40	5,702	35,775,791	16,218,000	2,027,000	2,334,720
31	Jul 8, 2021 16:40	5,702	38,127,461	16,219,000	2,027,000	2,334,720
32	Jul 8, 2021 16:39	5,708	89,117,504	18,264,429	0	2,228,224
33	Jul 8, 2021 16:40	5,711	33,893,367	16,244,000	2,030,000	2,392,064
34	Jul 8, 2021 16:40	5,715	41,259,914	15,240,000	3,048,000	2,387,968
35	Jul 8, 2021 16:41	5,715	77,237,039	18,287,804	0	2,220,032
36	Jul 8, 2021 16:39	5,715	43,835,414	16,256,000	2,032,000	2,334,720
37	Jul 8, 2021 16:41	5,716	38,782,401	16,260,000	2,032,000	2,334,720
38	Jul 8, 2021 16:40	5,720	39,080,887	16,271,000	2,033,000	2,334,720
39	Jul 8, 2021 16:40	5,723	40,349,170	15,261,000	3,052,000	2,334,720
40	Jul 8, 2021 16:41	5,724	81,148,397	18,317,521	0	2,232,320
41	Jul 8, 2021 16:40	5,726	45,538,368	16,288,000	2,036,000	2,330,624
42	Jul 8, 2021 16:39	5,731	41,534,232	16,301,000	2,037,000	2,334,720
43	Jul 8, 2021 16:40	5,733	60,086,114	18,346,725	0	2,224,128
44	Jul 8, 2021 16:40	5,748	53,846,218	18,393,374	0	2,228,224
45	Jul 8, 2021 16:39	5,749	34,147,381	16,352,000	2,044,000	2,523,136
46	Jul 8, 2021 16:40	5,799	81,905,917	18,558,225	0	2,232,320
47	Jul 8, 2021 16:40	5,817	80,564,904	18,614,638	0	2,224,128
48	Jul 8, 2021 16:39	5,819	86,249,586	18,619,283	0	2,236,416

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