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 listJul 13, 2021 19:26

Yuriy Lyfenko

Score: 5,697

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 13, 2021 19:26	5,639	540,801,421	16,041,000	2,005,000	2,330,624
2	Jul 13, 2021 19:27	5,653	545,095,949	16,079,000	2,009,000	2,342,912
3	Jul 13, 2021 19:26	5,659	540,835,290	16,097,000	2,012,000	2,531,328
4	Jul 13, 2021 19:26	5,660	540,808,100	16,099,000	2,012,000	2,330,624
5	Jul 13, 2021 19:26	5,662	540,231,647	16,106,000	2,013,000	2,330,624
6	Jul 13, 2021 19:27	5,664	543,578,008	17,118,000	1,006,000	2,330,624
7	Jul 13, 2021 19:27	5,665	543,255,307	16,114,000	2,014,000	2,334,720
8	Jul 13, 2021 19:26	5,666	541,195,449	16,116,000	2,014,000	2,326,528
9	Jul 13, 2021 19:26	5,666	542,706,632	16,118,000	2,014,000	2,330,624
10	Jul 13, 2021 19:27	5,668	537,193,203	16,124,000	2,015,000	2,330,624
11	Jul 13, 2021 19:27	5,669	542,381,543	16,127,000	2,015,000	2,334,720
12	Jul 13, 2021 19:26	5,670	546,483,622	15,121,000	3,024,000	2,330,624
13	Jul 13, 2021 19:26	5,671	541,628,973	15,123,000	3,024,000	2,330,624
14	Jul 13, 2021 19:26	5,673	540,186,172	16,137,000	2,017,000	2,334,720
15	Jul 13, 2021 19:26	5,675	538,711,386	15,134,000	3,026,000	2,330,624
16	Jul 13, 2021 19:26	5,675	540,765,191	16,142,000	2,017,000	2,330,624
17	Jul 13, 2021 19:27	5,686	542,390,358	16,174,000	2,021,000	2,330,624
18	Jul 13, 2021 19:26	5,688	580,758,108	18,202,431	0	2,211,840
19	Jul 13, 2021 19:26	5,697	540,275,207	16,205,000	2,025,000	2,334,720
20	Jul 13, 2021 19:26	5,698	542,074,946	16,208,000	2,026,000	2,519,040
21	Jul 13, 2021 19:27	5,700	541,927,586	15,200,000	3,040,000	2,334,720
22	Jul 13, 2021 19:26	5,703	540,503,201	17,236,000	1,013,000	2,523,136
23	Jul 13, 2021 19:26	5,703	570,332,217	18,249,941	0	2,224,128
24	Jul 13, 2021 19:26	5,703	539,304,720	15,207,000	3,041,000	2,506,752
25	Jul 13, 2021 19:26	5,705	590,273,206	18,255,880	0	2,256,896
26	Jul 13, 2021 19:26	5,711	540,452,370	16,245,000	2,030,000	2,330,624
27	Jul 13, 2021 19:26	5,713	542,645,372	15,236,000	3,047,000	2,330,624
28	Jul 13, 2021 19:27	5,715	577,327,589	18,287,403	0	2,228,224
29	Jul 13, 2021 19:26	5,721	549,409,591	16,273,000	2,034,000	2,519,040
30	Jul 13, 2021 19:27	5,730	538,821,029	16,299,000	2,037,000	2,330,624
31	Jul 13, 2021 19:27	5,751	567,083,805	18,402,573	0	2,224,128
32	Jul 13, 2021 19:27	5,762	579,078,178	18,439,696	0	2,256,896
33	Jul 13, 2021 19:26	5,763	573,960,305	18,442,329	0	2,228,224
34	Jul 13, 2021 19:27	5,770	539,694,044	15,386,000	3,077,000	2,523,136
35	Jul 13, 2021 19:26	5,793	573,270,078	18,536,429	0	2,256,896
36	Jul 13, 2021 19:26	5,829	585,529,997	18,654,300	0	2,256,896

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