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 22, 2022 22:07

Robert Burke

Score: 4,826

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 22, 2022 22:06	4,791	32,813,117	15,331,000	0	2,273,280
2	Jul 22, 2022 22:06	4,793	31,526,809	14,317,000	1,022,000	2,535,424
3	Jul 22, 2022 22:02	4,793	37,536,005	14,317,000	1,022,000	2,535,424
4	Jul 22, 2022 22:06	4,796	32,221,425	14,325,000	1,023,000	2,535,424
5	Jul 22, 2022 22:02	4,799	32,116,580	14,333,000	1,023,000	2,437,120
6	Jul 22, 2022 22:06	4,801	41,608,746	15,362,000	0	2,273,280
7	Jul 22, 2022 22:07	4,803	35,681,218	14,344,000	1,024,000	2,273,280
8	Jul 22, 2022 22:07	4,807	28,686,694	15,383,000	0	2,273,280
9	Jul 22, 2022 22:07	4,807	31,734,162	14,356,000	1,025,000	2,535,424
10	Jul 22, 2022 22:02	4,808	33,936,107	15,386,000	0	2,420,736
11	Jul 22, 2022 21:59	4,808	39,378,864	15,386,000	0	2,535,424
12	Jul 22, 2022 22:06	4,813	40,020,820	14,376,000	1,026,000	2,441,216
13	Jul 22, 2022 21:59	4,815	37,244,086	15,407,000	0	2,273,280
14	Jul 22, 2022 21:59	4,815	29,580,164	15,409,000	0	2,273,280
15	Jul 22, 2022 21:59	4,815	29,839,231	15,409,000	0	2,273,280
16	Jul 22, 2022 22:06	4,817	31,019,932	15,414,000	0	2,535,424
17	Jul 22, 2022 22:02	4,818	31,507,588	14,389,000	1,027,000	2,514,944
18	Jul 22, 2022 21:59	4,820	37,462,876	15,424,000	0	2,273,280
19	Jul 22, 2022 21:59	4,820	31,878,670	15,425,000	0	2,416,640
20	Jul 22, 2022 22:02	4,822	38,109,710	14,403,000	1,028,000	2,433,024
21	Jul 22, 2022 22:07	4,823	32,998,779	15,435,000	0	2,535,424
22	Jul 22, 2022 22:07	4,824	37,897,825	13,380,000	2,058,000	2,273,280
23	Jul 22, 2022 22:02	4,824	36,792,363	15,438,000	0	2,433,024
24	Jul 22, 2022 21:59	4,824	41,105,260	14,407,000	1,029,000	2,424,832
25	Jul 22, 2022 22:07	4,826	32,167,094	14,414,000	1,029,000	2,514,944
26	Jul 22, 2022 21:59	4,826	29,637,306	15,444,000	0	2,535,424
27	Jul 22, 2022 22:06	4,827	41,898,902	14,417,000	1,029,000	2,424,832
28	Jul 22, 2022 22:07	4,830	31,844,496	14,427,000	1,030,000	2,535,424
29	Jul 22, 2022 22:06	4,832	32,604,103	15,461,000	0	2,535,424
30	Jul 22, 2022 22:02	4,838	31,059,006	14,449,000	1,032,000	2,273,280
31	Jul 22, 2022 22:06	4,839	34,331,152	15,486,000	0	2,273,280
32	Jul 22, 2022 22:02	4,842	41,705,413	15,495,000	0	2,273,280
33	Jul 22, 2022 21:59	4,850	36,470,816	14,485,000	1,034,000	2,535,424
34	Jul 22, 2022 22:02	4,851	39,363,420	14,488,000	1,034,000	2,535,424
35	Jul 22, 2022 22:07	4,856	33,474,288	15,540,000	0	2,433,024
36	Jul 22, 2022 22:07	4,863	34,270,792	14,524,000	1,037,000	2,273,280
37	Jul 22, 2022 22:02	4,974	91,949,724	15,918,285	0	2,187,264
38	Jul 22, 2022 21:59	4,988	118,392,695	15,962,505	0	2,179,072
39	Jul 22, 2022 21:59	4,993	79,151,991	15,976,145	0	2,187,264
40	Jul 22, 2022 21:59	5,001	62,244,601	16,003,950	0	2,187,264
41	Jul 22, 2022 22:07	5,006	101,959,993	16,018,475	0	2,183,168
42	Jul 22, 2022 22:06	5,019	90,656,870	16,061,089	0	2,187,264
43	Jul 22, 2022 22:02	5,022	63,976,365	16,069,025	0	2,191,360
44	Jul 22, 2022 22:07	5,031	59,955,251	16,099,588	0	2,187,264
45	Jul 22, 2022 22:02	5,031	85,953,414	16,100,291	0	2,183,168
46	Jul 22, 2022 22:06	5,033	78,281,455	16,105,572	0	2,183,168
47	Jul 22, 2022 22:06	5,058	62,985,850	16,186,445	0	2,191,360
48	Jul 22, 2022 22:07	5,097	87,319,356	16,309,366	0	2,183,168

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