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 11, 2021 22:42

Yuriy Lyfenko

Score: 5,660

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 11, 2021 22:42	5,626	45,611,307	16,004,000	2,000,000	2,396,160
2	May 11, 2021 22:42	5,629	41,473,658	15,011,000	3,002,000	2,260,992
3	May 11, 2021 22:42	5,634	44,189,511	16,027,000	2,003,000	2,523,136
4	May 13, 2021 22:22	5,635	43,546,796	17,031,000	1,001,000	2,523,136
5	May 11, 2021 22:42	5,638	45,537,595	16,036,000	2,004,000	2,260,992
6	May 11, 2021 22:42	5,638	45,111,013	17,041,000	1,002,000	2,523,136
7	May 13, 2021 22:22	5,642	45,053,501	17,052,000	1,003,000	2,392,064
8	May 13, 2021 22:22	5,644	45,574,878	16,055,000	2,006,000	2,387,968
9	May 13, 2021 22:22	5,645	48,812,083	17,060,000	1,003,000	2,523,136
10	May 13, 2021 22:22	5,646	46,404,436	17,064,000	1,003,000	2,387,968
11	May 11, 2021 22:42	5,648	41,225,865	16,067,000	2,008,000	2,260,992
12	May 11, 2021 22:42	5,648	46,893,204	15,060,000	3,012,000	2,523,136
13	May 13, 2021 22:22	5,649	44,650,492	17,072,000	1,004,000	2,523,136
14	May 11, 2021 22:42	5,654	35,497,923	17,089,000	1,005,000	2,260,992
15	May 11, 2021 22:42	5,657	47,692,501	16,091,000	2,011,000	2,387,968
16	May 11, 2021 22:42	5,657	41,427,271	16,091,000	2,011,000	2,523,136
17	May 11, 2021 22:42	5,658	42,307,028	16,095,000	2,011,000	2,510,848
18	May 11, 2021 22:42	5,659	43,616,632	16,098,000	2,012,000	2,387,968
19	May 11, 2021 22:42	5,660	46,354,895	16,099,000	2,012,000	2,260,992
20	May 11, 2021 22:42	5,665	47,630,109	16,115,000	2,014,000	2,396,160
21	May 11, 2021 22:42	5,669	46,398,971	15,118,000	3,023,000	2,265,088
22	May 13, 2021 22:22	5,680	45,107,351	16,157,000	2,019,000	2,392,064
23	May 11, 2021 22:42	5,681	51,756,992	17,169,000	1,009,000	2,396,160
24	May 11, 2021 22:42	5,682	50,948,719	16,163,000	2,020,000	2,392,064
25	May 13, 2021 22:22	5,684	45,362,469	16,169,000	2,021,000	2,260,992
26	May 11, 2021 22:42	5,689	44,655,165	17,195,000	1,011,000	2,523,136
27	May 13, 2021 22:22	5,699	48,625,102	16,210,000	2,026,000	2,392,064
28	May 11, 2021 22:42	5,818	84,428,948	18,617,303	0	2,277,376
29	May 11, 2021 22:42	5,825	102,425,348	18,639,660	0	2,277,376
30	May 13, 2021 22:22	5,839	90,759,034	18,685,769	0	2,273,280
31	May 13, 2021 22:22	5,844	88,079,836	18,700,938	0	2,277,376
32	May 11, 2021 22:42	5,852	97,386,569	18,726,165	0	2,273,280
33	May 11, 2021 22:42	5,853	86,541,385	18,730,324	0	2,281,472
34	May 13, 2021 22:22	5,863	70,496,723	18,761,625	0	2,269,184
35	May 11, 2021 22:42	5,871	61,218,867	18,786,764	0	2,281,472
36	May 11, 2021 22:42	5,895	98,235,161	18,863,249	0	2,277,376

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