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 25, 2021 22:31

Mikhail Dektyarev

Score: 4,959

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 25, 2021 22:31	4,873	30,554,693	14,554,000	1,039,000	2,404,352
2	May 25, 2021 22:34	4,897	31,171,635	15,671,000	0	2,404,352
3	May 25, 2021 22:31	4,901	32,251,474	14,639,000	1,045,000	2,408,448
4	May 25, 2021 22:34	4,902	42,477,239	14,641,000	1,045,000	2,404,352
5	May 25, 2021 22:31	4,908	44,318,947	14,658,000	1,047,000	2,281,472
6	May 25, 2021 22:31	4,908	35,257,098	15,705,000	0	2,281,472
7	May 25, 2021 22:34	4,908	43,974,571	14,658,000	1,047,000	2,404,352
8	May 25, 2021 22:31	4,909	40,232,815	14,663,000	1,047,000	2,281,472
9	May 25, 2021 22:31	4,919	44,286,521	15,742,000	0	2,281,472
10	May 25, 2021 22:31	4,919	36,643,616	14,693,000	1,049,000	2,400,256
11	May 25, 2021 22:34	4,944	41,704,888	13,843,000	1,977,000	2,408,448
12	May 25, 2021 22:34	4,952	38,923,174	14,855,000	990,000	2,404,352
13	May 25, 2021 22:31	4,955	33,367,135	13,874,000	1,982,000	2,281,472
14	May 25, 2021 22:31	4,956	32,829,045	14,868,000	991,000	2,281,472
15	May 25, 2021 22:31	4,957	41,857,207	14,870,000	991,000	2,392,064
16	May 25, 2021 22:31	4,958	46,257,188	14,875,000	991,000	2,400,256
17	May 25, 2021 22:34	4,958	47,764,692	15,864,000	0	2,281,472
18	May 25, 2021 22:34	4,959	46,923,616	14,878,000	991,000	2,281,472
19	May 25, 2021 22:34	4,959	33,064,521	14,879,000	991,000	2,281,472
20	May 25, 2021 22:31	4,959	41,611,141	13,885,000	1,983,000	2,281,472
21	May 25, 2021 22:31	4,960	32,546,528	14,881,000	992,000	2,281,472
22	May 25, 2021 22:31	4,960	48,647,497	14,881,000	992,000	2,392,064
23	May 25, 2021 22:31	4,962	41,809,738	13,894,000	1,984,000	2,400,256
24	May 25, 2021 22:31	4,963	33,336,129	14,888,000	992,000	2,412,544
25	May 25, 2021 22:31	4,963	37,107,781	14,888,000	992,000	2,404,352
26	May 25, 2021 22:34	4,963	44,696,201	14,888,000	992,000	2,396,160
27	May 25, 2021 22:31	4,964	35,253,684	13,899,000	1,985,000	2,392,064
28	May 25, 2021 22:31	5,047	75,406,288	16,150,044	0	2,293,760
29	May 25, 2021 22:31	5,071	44,415,344	16,225,645	0	2,297,856
30	May 25, 2021 22:31	5,089	56,466,051	16,283,971	0	2,289,664
31	May 25, 2021 22:34	5,093	87,861,578	16,296,066	0	2,293,760
32	May 25, 2021 22:31	5,110	94,162,910	16,352,331	0	2,297,856
33	May 25, 2021 22:34	5,113	43,878,476	16,362,213	0	2,293,760
34	May 25, 2021 22:31	5,119	55,258,847	16,379,360	0	2,179,072
35	May 25, 2021 22:34	5,122	75,905,897	16,391,662	0	2,293,760
36	May 25, 2021 22:31	5,125	91,414,175	16,401,182	0	2,293,760

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