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 listJun 12, 2024 02:54

Yuriy Lyfenko

Score: 4,597

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 12, 2024 02:53	4,433	638,204,036	13,171,000	1,013,000	2,523,136
2	Jun 12, 2024 02:53	4,437	642,388,883	12,170,000	2,028,000	2,527,232
3	Jun 12, 2024 02:53	4,438	638,617,576	12,174,000	2,029,000	2,260,992
4	Jun 12, 2024 02:53	4,439	638,440,030	13,190,000	1,014,000	2,523,136
5	Jun 12, 2024 02:53	4,443	642,772,755	12,188,000	2,031,000	2,523,136
6	Jun 12, 2024 02:53	4,444	640,106,320	13,207,000	1,015,000	2,269,184
7	Jun 12, 2024 02:53	4,446	637,348,260	14,227,000	0	2,523,136
8	Jun 12, 2024 02:53	4,450	640,504,157	14,241,000	0	2,260,992
9	Jun 12, 2024 02:53	4,450	639,108,101	14,239,000	0	2,523,136
10	Jun 12, 2024 02:54	4,464	639,985,450	13,266,000	1,020,000	2,260,992
11	Jun 12, 2024 02:54	4,469	637,186,893	13,280,000	1,021,000	2,392,064
12	Jun 12, 2024 02:54	4,483	637,105,721	13,321,000	1,024,000	2,523,136
13	Jun 12, 2024 02:54	4,489	640,662,965	13,340,000	1,026,000	2,383,872
14	Jun 12, 2024 02:54	4,494	639,107,511	14,381,000	0	2,523,136
15	Jun 12, 2024 02:54	4,503	643,764,746	13,381,000	1,029,000	2,523,136
16	Jun 12, 2024 02:54	4,508	638,215,395	13,395,000	1,030,000	2,265,088
17	Jun 12, 2024 02:54	4,519	637,463,452	14,461,000	0	2,260,992
18	Jun 12, 2024 02:54	4,529	639,969,691	14,494,000	0	2,523,136
19	Jun 12, 2024 02:53	4,597	679,132,276	14,709,760	0	2,285,568
20	Jun 12, 2024 02:53	4,614	678,517,531	14,764,676	0	2,289,664
21	Jun 12, 2024 02:54	4,632	639,655,579	13,764,000	1,058,000	2,260,992
22	Jun 12, 2024 02:54	4,636	640,971,058	12,857,000	1,978,000	2,523,136
23	Jun 12, 2024 02:53	4,641	681,015,278	14,850,190	0	2,277,376
24	Jun 12, 2024 02:54	4,644	642,730,469	13,872,000	990,000	2,265,088
25	Jun 12, 2024 02:54	4,646	640,934,750	12,886,000	1,982,000	2,260,992
26	Jun 12, 2024 02:54	4,648	639,981,815	13,881,000	991,000	2,392,064
27	Jun 12, 2024 02:54	4,659	651,681,133	13,916,000	994,000	2,260,992
28	Jun 12, 2024 02:54	4,660	641,710,395	13,918,000	994,000	2,523,136
29	Jun 12, 2024 02:54	4,661	639,991,772	12,926,000	1,988,000	2,523,136
30	Jun 12, 2024 02:54	4,669	648,044,338	13,945,000	996,000	2,387,968
31	Jun 12, 2024 02:54	4,690	673,599,480	15,006,596	0	2,273,280
32	Jun 12, 2024 02:54	4,693	672,269,264	15,018,004	0	2,285,568
33	Jun 12, 2024 02:54	4,708	688,716,716	15,066,849	0	2,338,816
34	Jun 12, 2024 02:54	4,837	680,301,848	15,479,134	0	2,240,512
35	Jun 12, 2024 02:54	4,840	681,752,724	15,489,155	0	2,281,472
36	Jun 12, 2024 02:54	4,847	673,952,573	15,510,718	0	2,273,280

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