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 10:12

alex3d

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 10:12	4,590	236,024,008	13,640,000	1,049,000	2,523,136
2	May 16, 2021 10:12	4,593	4,781,858,984	14,697,000	0	2,523,136
3	May 16, 2021 10:12	4,596	4,405,934,085	14,708,000	0	2,514,944
4	May 16, 2021 10:12	4,599	1,677,071,884	14,717,000	0	2,265,088
5	May 16, 2021 10:12	4,601	2,610,669,937	13,672,000	1,051,000	2,445,312
6	May 16, 2021 10:12	4,601	3,709,738,103	13,671,000	1,051,000	2,523,136
7	May 16, 2021 10:12	4,603	4,831,545,439	13,676,000	1,052,000	2,519,040
8	May 16, 2021 10:12	4,603	2,285,994,768	14,731,000	0	2,519,040
9	May 16, 2021 10:12	4,604	4,538,229,608	13,681,000	1,052,000	2,523,136
10	May 16, 2021 10:12	4,604	1,041,143,648	13,680,000	1,052,000	2,519,040
11	May 16, 2021 10:12	4,611	881,527,284	14,754,000	0	2,514,944
12	May 16, 2021 10:12	4,613	1,519,234,790	14,762,000	0	2,523,136
13	May 16, 2021 10:12	4,613	996,147,855	14,762,000	0	2,523,136
14	May 16, 2021 10:12	4,614	3,839,322,471	13,710,000	1,054,000	2,514,944
15	May 16, 2021 10:12	4,615	2,576,032,278	13,713,000	1,054,000	2,523,136
16	May 16, 2021 10:12	4,615	4,275,680,990	13,784,000	984,000	2,527,232
17	May 16, 2021 10:12	4,616	2,530,681,108	13,716,000	1,055,000	2,441,216
18	May 16, 2021 10:12	4,618	282,409,799	14,778,000	0	2,514,944
19	May 16, 2021 10:12	4,619	1,273,162,575	14,782,000	0	2,514,944
20	May 16, 2021 10:12	4,623	1,904,439,787	14,794,000	0	2,523,136
21	May 16, 2021 10:12	4,623	2,449,691,587	13,736,000	1,056,000	2,523,136
22	May 16, 2021 10:12	4,627	4,717,205,891	13,748,000	1,057,000	2,523,136
23	May 16, 2021 10:12	4,635	47,540,981	13,774,000	1,059,000	2,445,312
24	May 16, 2021 10:12	4,637	4,512,892,432	13,778,000	1,059,000	2,519,040
25	May 16, 2021 10:12	4,638	1,529,435,120	14,843,000	0	2,523,136
26	May 16, 2021 10:12	4,638	2,688,721,989	14,840,000	0	2,523,136
27	May 16, 2021 10:12	4,639	3,483,345,342	13,785,000	1,060,000	2,514,944
28	May 16, 2021 10:12	4,780	121,589,923	15,295,295	0	2,281,472
29	May 16, 2021 10:12	4,787	2,189,702,905	15,317,362	0	2,281,472
30	May 16, 2021 10:12	4,798	4,744,389,862	15,352,979	0	2,285,568
31	May 16, 2021 10:12	4,809	2,061,335,215	15,389,255	0	2,281,472
32	May 16, 2021 10:12	4,822	4,571,748,523	15,431,676	0	2,277,376
33	May 16, 2021 10:12	4,832	3,733,039,048	15,463,231	0	2,285,568
34	May 16, 2021 10:12	4,834	3,316,242,936	15,467,549	0	2,281,472
35	May 16, 2021 10:12	4,835	4,949,071,675	15,472,673	0	2,277,376
36	May 16, 2021 10:12	4,837	1,558,537,009	15,477,172	0	2,285,568

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