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 27, 2024 00:14

kyle-basis

Score: 4,500

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 27, 2024 00:14	4,468	31,409,218	12,256,000	2,042,000	2,428,928
2	Jul 27, 2024 00:18	4,470	30,858,477	13,282,000	1,021,000	2,424,832
3	Jul 27, 2024 00:18	4,474	34,496,137	13,295,000	1,022,000	2,441,216
4	Jul 27, 2024 00:18	4,474	27,970,358	13,295,000	1,022,000	2,437,120
5	Jul 27, 2024 00:14	4,479	31,479,099	14,332,000	0	2,428,928
6	Jul 27, 2024 00:18	4,482	34,855,511	14,342,000	0	2,535,424
7	Jul 27, 2024 00:18	4,484	33,600,829	13,324,000	1,024,000	2,535,424
8	Jul 27, 2024 00:18	4,486	32,772,763	14,356,000	0	2,428,928
9	Jul 27, 2024 00:18	4,488	29,956,083	14,360,000	0	2,433,024
10	Jul 27, 2024 00:18	4,489	33,769,106	14,366,000	0	2,428,928
11	Jul 27, 2024 00:18	4,489	29,699,813	14,365,000	0	2,535,424
12	Jul 27, 2024 00:18	4,489	34,194,176	14,365,000	0	2,433,024
13	Jul 27, 2024 00:14	4,492	30,242,396	14,374,000	0	2,535,424
14	Jul 27, 2024 00:14	4,494	37,656,161	14,381,000	0	2,273,280
15	Jul 27, 2024 00:18	4,495	35,866,977	13,356,000	1,027,000	2,420,736
16	Jul 27, 2024 00:18	4,498	31,196,083	14,392,000	0	2,535,424
17	Jul 27, 2024 00:18	4,498	34,358,108	14,394,000	0	2,535,424
18	Jul 27, 2024 00:18	4,498	37,609,217	14,394,000	0	2,433,024
19	Jul 27, 2024 00:14	4,500	34,419,978	14,400,000	0	2,433,024
20	Jul 27, 2024 00:18	4,501	31,479,767	13,375,000	1,028,000	2,424,832
21	Jul 27, 2024 00:14	4,503	32,689,365	14,410,000	0	2,535,424
22	Jul 27, 2024 00:14	4,503	31,654,959	13,382,000	1,029,000	2,535,424
23	Jul 27, 2024 00:18	4,505	33,437,277	13,387,000	1,029,000	2,428,928
24	Jul 27, 2024 00:18	4,508	28,199,951	14,424,000	0	2,433,024
25	Jul 27, 2024 00:18	4,520	32,261,566	13,431,000	1,033,000	2,535,424
26	Jul 27, 2024 00:14	4,522	41,454,567	14,471,000	0	2,535,424
27	Jul 27, 2024 00:14	4,539	35,220,827	13,487,000	1,037,000	2,428,928
28	Jul 27, 2024 00:18	4,710	53,101,394	15,071,969	0	2,187,264
29	Jul 27, 2024 00:18	4,712	96,373,451	15,079,309	0	2,187,264
30	Jul 27, 2024 00:18	4,718	86,032,177	15,096,814	0	2,183,168
31	Jul 27, 2024 00:18	4,727	83,689,974	15,125,815	0	2,183,168
32	Jul 27, 2024 00:14	4,727	97,676,418	15,126,716	0	2,174,976
33	Jul 27, 2024 00:14	4,728	83,606,665	15,130,753	0	2,183,168
34	Jul 27, 2024 00:14	4,730	89,487,902	15,137,373	0	2,174,976
35	Jul 27, 2024 00:18	4,731	78,828,745	15,139,159	0	2,187,264
36	Jul 27, 2024 00:18	4,731	87,296,294	15,139,259	0	2,195,456

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