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 listSep 7, 2022 02:26

Yuriy Lyfenko

Score: 4,452

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 7, 2022 02:26	4,399	540,840,432	12,067,000	2,011,000	2,527,232
2	Sep 7, 2022 02:25	4,402	543,903,733	12,074,000	2,012,000	2,527,232
3	Sep 7, 2022 02:25	4,404	538,929,758	12,081,000	2,013,000	2,527,232
4	Sep 7, 2022 02:25	4,407	540,941,960	12,087,000	2,014,000	2,404,352
5	Sep 7, 2022 02:26	4,411	538,485,584	12,099,000	2,016,000	2,265,088
6	Sep 7, 2022 02:25	4,414	536,831,924	13,116,000	1,008,000	2,260,992
7	Sep 7, 2022 02:26	4,418	541,187,458	12,118,000	2,019,000	2,265,088
8	Sep 7, 2022 02:26	4,420	539,904,971	13,133,000	1,010,000	2,260,992
9	Sep 7, 2022 02:25	4,425	535,543,661	14,159,000	0	2,260,992
10	Sep 7, 2022 02:26	4,429	540,756,622	12,149,000	2,024,000	2,523,136
11	Sep 7, 2022 02:26	4,430	545,717,065	12,150,000	2,025,000	2,265,088
12	Sep 7, 2022 02:26	4,434	534,280,422	12,162,000	2,027,000	2,260,992
13	Sep 7, 2022 02:25	4,435	538,837,608	13,178,000	1,013,000	2,523,136
14	Sep 7, 2022 02:26	4,439	541,096,437	12,177,000	2,029,000	2,260,992
15	Sep 7, 2022 02:26	4,441	537,069,420	13,196,000	1,015,000	2,523,136
16	Sep 7, 2022 02:26	4,443	540,138,940	12,187,000	2,031,000	2,260,992
17	Sep 7, 2022 02:26	4,446	536,568,258	12,195,000	2,032,000	2,523,136
18	Sep 7, 2022 02:26	4,449	542,018,580	14,236,000	0	2,260,992
19	Sep 7, 2022 02:26	4,452	543,610,309	13,229,000	1,017,000	2,523,136
20	Sep 7, 2022 02:26	4,453	540,974,036	14,251,000	0	2,387,968
21	Sep 7, 2022 02:25	4,455	537,844,800	13,238,000	1,018,000	2,523,136
22	Sep 7, 2022 02:25	4,456	541,900,955	14,260,000	0	2,260,992
23	Sep 7, 2022 02:26	4,457	534,276,967	13,244,000	1,018,000	2,523,136
24	Sep 7, 2022 02:26	4,461	536,969,002	13,257,000	1,019,000	2,523,136
25	Sep 7, 2022 02:25	4,463	539,817,921	14,283,000	0	2,265,088
26	Sep 7, 2022 02:26	4,465	536,703,003	13,268,000	1,020,000	2,265,088
27	Sep 7, 2022 02:26	4,465	537,926,407	14,287,000	0	2,265,088
28	Sep 7, 2022 02:25	4,589	576,497,582	14,685,728	0	2,281,472
29	Sep 7, 2022 02:26	4,592	581,595,061	14,694,204	0	2,277,376
30	Sep 7, 2022 02:26	4,599	583,079,026	14,716,693	0	2,277,376
31	Sep 7, 2022 02:25	4,601	579,255,263	14,722,621	0	2,285,568
32	Sep 7, 2022 02:26	4,605	573,093,295	14,735,893	0	2,273,280
33	Sep 7, 2022 02:26	4,608	577,449,740	14,745,005	0	2,277,376
34	Sep 7, 2022 02:26	4,610	571,019,410	14,752,596	0	2,273,280
35	Sep 7, 2022 02:25	4,612	576,742,020	14,757,930	0	2,240,512
36	Sep 7, 2022 02:26	4,622	564,875,553	14,791,941	0	2,265,088

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