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 listSep 6, 2024 09:05

Joseph Kuo

Score: 12,137

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 6, 2024 09:00	11,956	61,796,989	6,041,000	32,219,000	2,293,760
2	Sep 6, 2024 09:00	11,985	61,319,369	5,046,000	33,305,000	2,527,232
3	Sep 6, 2024 09:03	11,989	63,009,372	7,067,000	31,297,000	2,506,752
4	Sep 6, 2024 09:00	11,991	59,448,697	7,068,000	31,303,000	2,502,656
5	Sep 6, 2024 09:03	11,994	61,195,837	6,060,000	32,321,000	2,293,760
6	Sep 6, 2024 09:03	11,997	65,005,564	8,082,000	30,309,000	2,523,136
7	Sep 6, 2024 09:03	11,997	57,822,314	8,082,000	30,308,000	2,510,848
8	Sep 6, 2024 09:00	12,022	67,039,813	7,086,000	31,383,000	2,293,760
9	Sep 6, 2024 09:03	12,026	65,978,160	8,101,000	30,382,000	2,293,760
10	Sep 6, 2024 09:02	12,061	59,741,609	8,125,000	30,471,000	2,510,848
11	Sep 6, 2024 09:00	12,071	66,346,293	6,099,000	32,529,000	2,519,040
12	Sep 6, 2024 09:03	12,076	65,883,505	7,118,000	31,525,000	2,519,040
13	Sep 6, 2024 09:00	12,136	67,252,013	5,974,000	32,862,000	2,506,752
14	Sep 6, 2024 09:00	12,137	61,124,590	2,987,000	35,851,000	2,293,760
15	Sep 6, 2024 09:02	12,137	66,361,290	5,975,000	32,864,000	2,293,760
16	Sep 6, 2024 09:03	12,150	72,802,396	5,981,000	32,898,000	2,506,752
17	Sep 6, 2024 09:03	12,167	65,316,289	6,988,000	31,946,000	2,510,848
18	Sep 6, 2024 09:00	12,190	64,592,039	5,001,000	34,007,000	2,351,104
19	Sep 6, 2024 09:00	12,213	64,147,967	5,010,000	34,071,000	2,359,296
20	Sep 6, 2024 09:05	12,241	62,793,454	6,026,000	33,146,000	2,519,040
21	Sep 6, 2024 09:02	12,243	65,520,119	6,027,000	33,150,000	2,506,752
22	Sep 6, 2024 09:05	12,254	61,052,548	8,043,000	31,170,000	2,293,760
23	Sep 6, 2024 09:05	12,261	63,661,096	9,054,000	30,181,000	2,293,760
24	Sep 6, 2024 09:05	12,296	68,308,385	8,071,000	31,275,000	2,293,760
25	Sep 6, 2024 09:05	12,300	60,715,455	7,064,000	32,295,000	2,519,040
26	Sep 6, 2024 09:03	12,337	63,738,946	8,882,000	30,596,000	2,510,848
27	Sep 6, 2024 09:05	12,414	68,186,834	7,130,000	32,595,000	2,506,752

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