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 listApr 17, 2024 17:52

Joad Nacer

Score: 4,970

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 17, 2024 17:52	4,954	42,055,151	13,871,000	1,981,000	2,289,664
2	Apr 17, 2024 17:42	4,954	31,538,400	13,872,000	1,981,000	2,269,184
3	Apr 17, 2024 17:39	4,955	41,568,646	14,865,000	991,000	2,289,664
4	Apr 17, 2024 17:42	4,956	39,949,263	14,868,000	991,000	2,289,664
5	Apr 17, 2024 17:42	4,956	36,686,134	13,878,000	1,982,000	2,265,088
6	Apr 17, 2024 17:39	4,956	35,517,398	13,876,000	1,982,000	2,289,664
7	Apr 17, 2024 17:42	4,957	33,022,622	13,879,000	1,982,000	2,289,664
8	Apr 17, 2024 17:39	4,957	41,368,103	13,880,000	1,982,000	2,523,136
9	Apr 17, 2024 17:52	4,957	39,272,674	13,880,000	1,982,000	2,289,664
10	Apr 17, 2024 17:42	4,959	45,008,137	13,887,000	1,983,000	2,289,664
11	Apr 17, 2024 17:39	4,960	45,097,445	14,880,000	992,000	2,289,664
12	Apr 17, 2024 17:52	4,961	34,045,892	13,891,000	1,984,000	2,289,664
13	Apr 17, 2024 17:39	4,961	53,455,116	14,883,000	992,000	2,289,664
14	Apr 17, 2024 17:39	4,961	32,162,618	13,892,000	1,984,000	2,289,664
15	Apr 17, 2024 17:52	4,963	33,243,865	15,883,000	0	2,285,568
16	Apr 17, 2024 17:39	4,964	32,978,832	13,899,000	1,985,000	2,289,664
17	Apr 17, 2024 17:52	4,966	42,521,397	13,906,000	1,986,000	2,289,664
18	Apr 17, 2024 17:52	4,967	46,916,179	15,895,000	0	2,273,280
19	Apr 17, 2024 17:39	4,970	39,609,459	13,916,000	1,988,000	2,269,184
20	Apr 17, 2024 17:52	4,976	32,048,058	14,862,000	1,061,000	2,269,184
21	Apr 17, 2024 17:42	4,976	50,016,020	13,932,000	1,990,000	2,289,664
22	Apr 17, 2024 17:42	4,986	40,517,208	13,962,000	1,994,000	2,289,664
23	Apr 17, 2024 17:42	4,991	42,954,251	13,974,000	1,996,000	2,269,184
24	Apr 17, 2024 17:39	4,991	33,679,614	14,973,000	998,000	2,285,568
25	Apr 17, 2024 17:42	5,008	43,129,447	15,026,000	1,001,000	2,289,664
26	Apr 17, 2024 17:52	5,027	32,999,695	15,080,000	1,005,000	2,289,664
27	Apr 17, 2024 17:52	5,036	31,526,113	15,108,000	1,007,000	2,265,088
28	Apr 17, 2024 17:42	5,141	85,236,603	16,452,104	0	2,256,896
29	Apr 17, 2024 17:42	5,166	58,681,025	16,530,103	0	2,179,072
30	Apr 17, 2024 17:39	5,169	91,013,345	16,540,305	0	2,301,952
31	Apr 17, 2024 17:52	5,175	82,336,325	16,560,420	0	2,301,952
32	Apr 17, 2024 17:52	5,189	111,451,284	16,606,369	0	2,301,952
33	Apr 17, 2024 17:42	5,191	96,859,721	16,610,125	0	2,297,856
34	Apr 17, 2024 17:39	5,201	85,194,556	16,643,271	0	2,301,952
35	Apr 17, 2024 17:52	5,204	82,430,928	16,653,642	0	2,301,952
36	Apr 17, 2024 17:39	5,235	61,769,077	16,752,710	0	2,297,856

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