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 14, 2021 21:10

Yuriy Lyfenko

Score: 5,683

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 14, 2021 21:10	5,637	45,119,166	17,036,000	1,002,000	2,400,256
2	May 14, 2021 21:10	5,641	46,238,461	16,990,000	1,061,000	2,523,136
3	May 14, 2021 21:10	5,646	44,235,943	15,055,000	3,011,000	2,392,064
4	May 14, 2021 21:10	5,648	45,635,346	17,071,000	1,004,000	2,400,256
5	May 14, 2021 21:10	5,651	47,341,495	16,075,000	2,009,000	2,392,064
6	May 14, 2021 21:10	5,655	46,533,582	17,090,000	1,005,000	2,396,160
7	May 14, 2021 21:10	5,657	43,216,435	16,092,000	2,011,000	2,265,088
8	May 14, 2021 21:10	5,659	42,263,209	14,086,000	4,024,000	2,527,232
9	May 14, 2021 21:10	5,660	44,132,100	17,107,000	1,006,000	2,523,136
10	May 14, 2021 21:10	5,661	38,088,061	16,103,000	2,012,000	2,383,872
11	May 14, 2021 21:10	5,664	41,276,739	17,119,000	1,007,000	2,260,992
12	May 14, 2021 21:10	5,671	42,162,405	16,132,000	2,016,000	2,396,160
13	May 14, 2021 21:10	5,672	43,384,293	16,133,000	2,016,000	2,260,992
14	May 14, 2021 21:10	5,673	37,832,240	15,128,000	3,025,000	2,400,256
15	May 14, 2021 21:10	5,676	45,790,288	16,145,000	2,018,000	2,265,088
16	May 14, 2021 21:10	5,677	39,796,814	17,157,000	1,009,000	2,265,088
17	May 14, 2021 21:10	5,679	38,886,470	16,153,000	2,019,000	2,523,136
18	May 14, 2021 21:10	5,680	35,446,642	15,147,000	3,029,000	2,387,968
19	May 14, 2021 21:10	5,683	49,595,327	16,167,000	2,020,000	2,260,992
20	May 14, 2021 21:10	5,685	45,877,737	16,170,000	2,021,000	2,392,064
21	May 14, 2021 21:10	5,688	44,930,754	17,191,000	1,011,000	2,392,064
22	May 14, 2021 21:10	5,694	38,740,834	17,208,000	1,012,000	2,523,136
23	May 14, 2021 21:10	5,694	43,819,307	17,210,000	1,012,000	2,387,968
24	May 14, 2021 21:10	5,695	44,104,825	14,175,000	4,050,000	2,387,968
25	May 14, 2021 21:10	5,710	50,372,220	15,227,000	3,045,000	2,260,992
26	May 14, 2021 21:10	5,711	47,033,186	16,245,000	2,030,000	2,400,256
27	May 14, 2021 21:10	5,713	49,976,398	16,249,000	2,031,000	2,392,064
28	May 14, 2021 21:10	5,854	82,997,792	18,732,834	0	2,277,376
29	May 14, 2021 21:10	5,858	98,341,192	18,744,648	0	2,273,280
30	May 14, 2021 21:10	5,873	87,190,770	18,794,828	0	2,277,376
31	May 14, 2021 21:10	5,875	91,823,429	18,799,991	0	2,277,376
32	May 14, 2021 21:10	5,882	93,953,240	18,821,493	0	2,265,088
33	May 14, 2021 21:10	5,883	99,514,741	18,825,561	0	2,281,472
34	May 14, 2021 21:10	5,915	73,542,362	18,928,975	0	2,269,184
35	May 14, 2021 21:10	5,920	87,050,253	18,944,535	0	2,269,184
36	May 14, 2021 21:10	5,930	87,480,535	18,977,560	0	2,281,472

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