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 04:46

Yuriy Lyfenko

Score: 5,681

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 15, 2021 04:46	5,648	43,922,456	17,069,000	1,004,000	2,523,136
2	May 15, 2021 04:46	5,651	42,575,247	16,073,000	2,009,000	2,519,040
3	May 15, 2021 04:46	5,654	43,575,691	16,084,000	2,010,000	2,392,064
4	May 15, 2021 04:46	5,656	48,062,226	16,089,000	2,011,000	2,375,680
5	May 15, 2021 04:46	5,657	45,942,127	17,097,000	1,005,000	2,396,160
6	May 15, 2021 04:46	5,659	48,975,240	16,098,000	2,012,000	2,519,040
7	May 15, 2021 04:46	5,659	40,734,855	17,102,000	1,006,000	2,392,064
8	May 15, 2021 04:46	5,661	50,757,574	16,102,000	2,012,000	2,519,040
9	May 15, 2021 04:46	5,662	51,558,709	16,105,000	2,013,000	2,387,968
10	May 15, 2021 04:46	5,662	51,178,205	17,112,000	1,006,000	2,519,040
11	May 15, 2021 04:46	5,662	35,461,932	17,113,000	1,006,000	2,519,040
12	May 15, 2021 04:46	5,663	43,429,480	17,116,000	1,006,000	2,392,064
13	May 15, 2021 04:46	5,663	46,349,311	15,100,000	3,020,000	2,519,040
14	May 15, 2021 04:46	5,666	43,874,539	16,117,000	2,014,000	2,396,160
15	May 15, 2021 04:46	5,671	43,621,974	16,131,000	2,016,000	2,383,872
16	May 15, 2021 04:46	5,672	48,455,547	17,141,000	1,008,000	2,519,040
17	May 15, 2021 04:46	5,673	43,916,398	15,127,000	3,025,000	2,519,040
18	May 15, 2021 04:46	5,674	35,954,021	17,148,000	1,008,000	2,519,040
19	May 15, 2021 04:46	5,675	45,803,304	16,142,000	2,017,000	2,519,040
20	May 15, 2021 04:46	5,677	46,977,404	17,158,000	1,009,000	2,383,872
21	May 15, 2021 04:46	5,677	45,600,053	16,147,000	2,018,000	2,519,040
22	May 15, 2021 04:46	5,679	50,515,791	15,144,000	3,028,000	2,519,040
23	May 15, 2021 04:46	5,679	44,044,586	16,154,000	2,019,000	2,519,040
24	May 15, 2021 04:46	5,681	43,209,896	16,159,000	2,019,000	2,519,040
25	May 15, 2021 04:46	5,681	50,431,370	17,170,000	1,010,000	2,392,064
26	May 15, 2021 04:46	5,682	43,969,191	17,171,000	1,010,000	2,502,656
27	May 15, 2021 04:46	5,684	51,924,326	17,179,000	1,010,000	2,506,752
28	May 15, 2021 04:46	5,687	45,661,670	16,177,000	2,022,000	2,523,136
29	May 15, 2021 04:46	5,687	35,234,369	18,199,000	0	2,392,064
30	May 15, 2021 04:46	5,688	36,267,471	16,180,000	2,022,000	2,523,136
31	May 15, 2021 04:46	5,693	47,723,834	16,192,000	2,024,000	2,383,872
32	May 15, 2021 04:46	5,699	43,988,413	14,184,000	4,052,000	2,387,968
33	May 15, 2021 04:46	5,704	42,481,485	16,225,000	2,028,000	2,519,040
34	May 15, 2021 04:46	5,707	48,395,581	17,249,000	1,014,000	2,375,680
35	May 15, 2021 04:46	5,709	44,178,954	17,254,000	1,014,000	2,506,752
36	May 15, 2021 04:46	5,711	39,984,935	16,245,000	2,030,000	2,519,040
37	May 15, 2021 04:46	5,912	84,117,330	18,917,111	0	2,281,472
38	May 15, 2021 04:46	5,916	73,797,193	18,932,471	0	2,285,568
39	May 15, 2021 04:46	5,919	86,338,928	18,940,208	0	2,273,280
40	May 15, 2021 04:46	5,922	93,694,875	18,951,416	0	2,277,376
41	May 15, 2021 04:46	5,928	94,517,854	18,969,249	0	2,281,472
42	May 15, 2021 04:46	5,938	88,020,755	19,002,706	0	2,273,280
43	May 15, 2021 04:46	5,939	90,461,814	19,003,291	0	2,277,376
44	May 15, 2021 04:46	5,943	76,041,301	19,018,996	0	2,277,376
45	May 15, 2021 04:46	5,948	90,418,486	19,033,749	0	2,281,472
46	May 15, 2021 04:46	5,949	82,534,922	19,035,733	0	2,285,568
47	May 15, 2021 04:46	5,967	89,183,428	19,095,713	0	2,281,472
48	May 15, 2021 04:46	6,049	86,089,095	19,356,669	0	2,285,568

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