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 listMay 16, 2021 09:32

alex3d

Score: 5,059

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 09:32	4,981	9,532,422,365	13,947,000	1,992,000	2,519,040
2	May 16, 2021 09:33	5,005	9,281,541,288	16,017,000	0	2,514,944
3	May 16, 2021 09:32	5,008	2,198,960,476	16,024,000	0	2,510,848
4	May 16, 2021 09:31	5,009	9,514,568,539	16,028,000	0	2,514,944
5	May 16, 2021 09:33	5,017	2,649,221,914	13,914,000	2,140,000	2,510,848
6	May 16, 2021 09:31	5,019	2,738,367,309	16,061,000	0	2,514,944
7	May 16, 2021 09:31	5,021	4,487,839,512	14,996,000	1,071,000	2,514,944
8	May 16, 2021 09:32	5,023	8,630,292,503	15,004,000	1,071,000	2,514,944
9	May 16, 2021 09:31	5,029	8,836,585,990	16,093,000	0	2,510,848
10	May 16, 2021 09:33	5,029	6,001,212,481	16,094,000	0	2,510,848
11	May 16, 2021 09:31	5,031	1,325,167,212	16,100,000	0	2,433,024
12	May 16, 2021 09:33	5,031	6,907,463,349	15,025,000	1,073,000	2,510,848
13	May 16, 2021 09:32	5,033	1,582,819,852	16,107,000	0	2,514,944
14	May 16, 2021 09:33	5,033	253,641,432	15,033,000	1,073,000	2,510,848
15	May 16, 2021 09:32	5,037	211,592,277	15,044,000	1,074,000	2,428,928
16	May 16, 2021 09:33	5,042	6,558,052,277	16,135,000	0	2,510,848
17	May 16, 2021 09:33	5,046	1,678,027,876	15,139,000	1,009,000	2,514,944
18	May 16, 2021 09:32	5,056	7,403,953,940	16,178,000	0	2,510,848
19	May 16, 2021 09:31	5,059	4,917,354,375	16,188,000	0	2,514,944
20	May 16, 2021 09:31	5,061	6,326,764,011	14,171,000	2,024,000	2,510,848
21	May 16, 2021 09:32	5,063	9,856,706,080	15,191,000	1,012,000	2,514,944
22	May 16, 2021 09:31	5,067	227,299,135	15,200,000	1,013,000	2,428,928
23	May 16, 2021 09:33	5,073	8,696,392,423	15,151,000	1,082,000	2,514,944
24	May 16, 2021 09:31	5,077	5,960,543,753	15,164,000	1,083,000	2,510,848
25	May 16, 2021 09:32	5,082	9,889,910,664	13,214,000	3,049,000	2,514,944
26	May 16, 2021 09:32	5,083	3,382,315,967	15,311,000	956,000	2,510,848
27	May 16, 2021 09:33	5,084	7,822,162,384	15,253,000	1,016,000	2,510,848
28	May 16, 2021 09:32	5,156	1,295,878,709	16,499,318	0	2,281,472
29	May 16, 2021 09:33	5,191	5,067,720,353	16,612,726	0	2,277,376
30	May 16, 2021 09:33	5,193	7,635,310,565	16,617,178	0	2,277,376
31	May 16, 2021 09:33	5,195	1,888,565,819	16,623,780	0	2,277,376
32	May 16, 2021 09:32	5,196	5,467,221,376	16,626,616	0	2,273,280
33	May 16, 2021 09:31	5,201	8,328,649,017	16,642,559	0	2,281,472
34	May 16, 2021 09:31	5,201	5,686,972,390	16,642,072	0	2,281,472
35	May 16, 2021 09:31	5,206	2,689,280,261	16,658,082	0	2,277,376
36	May 16, 2021 09:32	5,215	3,933,975,838	16,688,958	0	2,277,376

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