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 listNov 29, 2024 18:10

Joad Nacer

Score: 4,363

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Nov 29, 2024 18:18	4,343	43,454,902	12,907,000	992,000	2,433,024
2	Nov 29, 2024 18:10	4,347	35,009,734	12,917,000	993,000	2,433,024
3	Nov 29, 2024 18:09	4,350	27,019,131	11,931,000	1,988,000	2,424,832
4	Nov 29, 2024 18:09	4,351	30,652,826	13,922,000	0	2,269,184
5	Nov 29, 2024 18:18	4,352	29,503,907	11,937,000	1,989,000	2,424,832
6	Nov 29, 2024 18:10	4,353	27,506,485	12,935,000	995,000	2,531,328
7	Nov 29, 2024 18:18	4,354	33,890,518	12,937,000	995,000	2,433,024
8	Nov 29, 2024 18:18	4,355	30,934,521	12,942,000	995,000	2,424,832
9	Nov 29, 2024 18:10	4,358	39,434,973	11,953,000	1,992,000	2,428,928
10	Nov 29, 2024 18:09	4,359	35,255,790	12,954,000	996,000	2,531,328
11	Nov 29, 2024 18:09	4,359	30,958,856	12,952,000	996,000	2,428,928
12	Nov 29, 2024 18:09	4,359	29,844,684	12,952,000	996,000	2,424,832
13	Nov 29, 2024 18:10	4,361	29,172,159	12,960,000	996,000	2,433,024
14	Nov 29, 2024 18:18	4,362	50,581,913	12,961,000	997,000	2,531,328
15	Nov 29, 2024 18:10	4,362	40,021,971	12,962,000	997,000	2,269,184
16	Nov 29, 2024 18:09	4,363	35,792,262	12,963,000	997,000	2,510,848
17	Nov 29, 2024 18:10	4,366	30,177,258	11,976,000	1,996,000	2,428,928
18	Nov 29, 2024 18:10	4,368	35,293,295	12,981,000	998,000	2,424,832
19	Nov 29, 2024 18:09	4,371	29,079,505	12,987,000	999,000	2,531,328
20	Nov 29, 2024 18:18	4,371	30,027,255	12,988,000	999,000	2,531,328
21	Nov 29, 2024 18:09	4,374	37,467,129	11,998,000	1,999,000	2,428,928
22	Nov 29, 2024 18:09	4,376	41,205,280	12,002,000	2,000,000	2,531,328
23	Nov 29, 2024 18:18	4,377	28,417,959	13,005,000	1,000,000	2,428,928
24	Nov 29, 2024 18:10	4,387	29,982,523	12,032,000	2,005,000	2,428,928
25	Nov 29, 2024 18:10	4,400	27,797,470	13,075,000	1,005,000	2,531,328
26	Nov 29, 2024 18:18	4,400	26,397,059	12,070,000	2,011,000	2,433,024
27	Nov 29, 2024 18:10	4,403	29,736,026	12,078,000	2,013,000	2,428,928
28	Nov 29, 2024 18:10	4,404	36,566,121	13,086,000	1,006,000	2,433,024
29	Nov 29, 2024 18:10	4,422	31,065,539	13,139,000	1,010,000	2,437,120
30	Nov 29, 2024 18:18	4,580	30,113,103	14,656,000	0	2,428,928

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