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 listDec 11, 2024 23:15

Matthias

Score: 4,796

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Dec 11, 2024 23:08	4,759	36,084,309	13,199,000	2,030,000	2,285,568
2	Dec 11, 2024 23:14	4,760	32,316,274	13,201,000	2,030,000	2,510,848
3	Dec 11, 2024 23:15	4,760	32,252,749	13,201,000	2,030,000	2,285,568
4	Dec 11, 2024 23:08	4,763	31,100,887	13,208,000	2,032,000	2,285,568
5	Dec 11, 2024 23:08	4,768	31,709,636	13,223,000	2,034,000	2,379,776
6	Dec 11, 2024 21:58	4,770	32,485,986	15,265,000	0	2,285,568
7	Dec 11, 2024 23:08	4,770	33,780,841	13,230,000	2,035,000	2,510,848
8	Dec 11, 2024 23:15	4,771	37,106,539	13,232,000	2,035,000	2,379,776
9	Dec 11, 2024 21:58	4,774	43,478,710	13,240,000	2,036,000	2,285,568
10	Dec 11, 2024 21:58	4,777	36,466,905	13,247,000	2,038,000	2,519,040
11	Dec 11, 2024 21:58	4,780	41,679,114	14,278,000	1,019,000	2,285,568
12	Dec 11, 2024 23:14	4,780	35,534,134	13,258,000	2,039,000	2,285,568
13	Dec 11, 2024 23:08	4,781	35,926,048	13,259,000	2,039,000	2,265,088
14	Dec 11, 2024 23:14	4,787	32,203,789	14,298,000	1,021,000	2,519,040
15	Dec 11, 2024 21:58	4,788	41,230,804	14,302,000	1,021,000	2,392,064
16	Dec 11, 2024 23:14	4,790	43,375,211	14,306,000	1,021,000	2,285,568
17	Dec 11, 2024 23:08	4,796	39,128,451	14,324,000	1,023,000	2,285,568
18	Dec 11, 2024 23:15	4,797	41,160,382	14,326,000	1,023,000	2,285,568
19	Dec 11, 2024 23:15	4,799	36,702,180	13,311,000	2,047,000	2,519,040
20	Dec 11, 2024 23:15	4,802	35,809,327	13,317,000	2,048,000	2,285,568
21	Dec 11, 2024 23:14	4,808	40,834,474	15,387,000	0	2,285,568
22	Dec 11, 2024 23:08	4,809	32,426,723	14,363,000	1,025,000	2,523,136
23	Dec 11, 2024 21:58	4,814	35,467,956	13,351,000	2,054,000	2,260,992
24	Dec 11, 2024 21:58	4,814	48,365,851	15,404,000	0	2,510,848
25	Dec 11, 2024 23:08	4,816	32,796,832	14,383,000	1,027,000	2,285,568
26	Dec 11, 2024 21:58	4,817	30,173,983	14,386,000	1,027,000	2,355,200
27	Dec 11, 2024 21:58	4,823	35,448,183	14,406,000	1,029,000	2,285,568
28	Dec 11, 2024 23:15	4,825	37,784,983	14,411,000	1,029,000	2,285,568
29	Dec 11, 2024 23:15	4,826	31,593,889	14,415,000	1,029,000	2,523,136
30	Dec 11, 2024 23:15	4,836	29,544,296	14,445,000	1,031,000	2,519,040
31	Dec 11, 2024 23:08	4,839	38,034,824	14,454,000	1,032,000	2,285,568
32	Dec 11, 2024 23:15	4,968	43,138,405	13,912,000	1,987,000	2,285,568
33	Dec 11, 2024 23:14	5,097	37,297,835	14,271,000	2,038,000	2,523,136

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