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 11, 2021 19:06

Yuriy Lyfenko

Score: 5,604

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 11, 2021 19:03	5,581	48,546,079	14,883,000	2,976,000	2,519,040
2	May 11, 2021 19:03	5,583	32,527,067	15,880,000	1,985,000	2,519,040
3	May 11, 2021 19:03	5,583	42,994,297	16,873,000	992,000	2,519,040
4	May 11, 2021 19:03	5,584	38,243,806	16,876,000	992,000	2,396,160
5	May 11, 2021 19:06	5,584	44,930,758	15,883,000	1,985,000	2,519,040
6	May 11, 2021 19:06	5,584	45,286,207	15,884,000	1,985,000	2,519,040
7	May 11, 2021 19:06	5,585	45,692,187	13,901,000	3,971,000	2,519,040
8	May 11, 2021 19:06	5,585	43,904,259	17,873,000	0	2,519,040
9	May 11, 2021 19:03	5,585	43,810,061	17,873,000	0	2,519,040
10	May 11, 2021 19:03	5,588	43,427,065	17,881,000	0	2,519,040
11	May 11, 2021 19:03	5,588	47,232,078	16,888,000	993,000	2,519,040
12	May 11, 2021 19:03	5,588	43,590,973	15,896,000	1,987,000	2,396,160
13	May 11, 2021 19:03	5,588	36,317,645	14,902,000	2,980,000	2,519,040
14	May 11, 2021 19:03	5,591	44,254,603	15,903,000	1,987,000	2,523,136
15	May 11, 2021 19:03	5,594	34,734,046	15,913,000	1,989,000	2,519,040
16	May 11, 2021 19:03	5,594	41,010,419	13,923,000	3,978,000	2,383,872
17	May 11, 2021 19:03	5,601	44,799,213	16,927,000	995,000	2,392,064
18	May 11, 2021 19:06	5,602	32,380,929	14,939,000	2,987,000	2,392,064
19	May 11, 2021 19:03	5,604	49,036,870	16,937,000	996,000	2,387,968
20	May 11, 2021 19:06	5,606	35,360,594	16,943,000	996,000	2,519,040
21	May 11, 2021 19:03	5,607	35,667,634	15,949,000	1,993,000	2,383,872
22	May 11, 2021 19:03	5,607	41,915,486	16,946,000	996,000	2,392,064
23	May 11, 2021 19:06	5,612	43,581,432	16,962,000	997,000	2,383,872
24	May 11, 2021 19:03	5,613	51,526,730	15,966,000	1,995,000	2,519,040
25	May 11, 2021 19:03	5,623	37,542,883	14,994,000	2,998,000	2,519,040
26	May 11, 2021 19:06	5,627	42,538,726	16,006,000	2,000,000	2,519,040
27	May 11, 2021 19:06	5,755	81,163,937	18,416,667	0	2,285,568
28	May 11, 2021 19:06	5,787	98,673,290	18,519,813	0	2,277,376
29	May 11, 2021 19:03	5,792	71,157,323	18,533,282	0	2,281,472
30	May 11, 2021 19:06	5,813	89,451,516	18,602,518	0	2,285,568
31	May 11, 2021 19:03	5,814	78,546,788	18,605,674	0	2,269,184
32	May 11, 2021 19:03	5,814	73,602,131	18,603,289	0	2,277,376
33	May 11, 2021 19:03	5,836	88,465,324	18,676,128	0	2,289,664
34	May 11, 2021 19:06	5,841	36,437,620	16,725,000	1,967,000	2,519,040
35	May 11, 2021 19:03	5,847	97,676,232	18,710,558	0	2,277,376
36	May 11, 2021 19:03	5,852	89,063,619	18,724,941	0	2,273,280

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