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 18, 2021 14:18

Yuriy Lyfenko

Score: 5,364

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 18, 2021 14:18	5,326	267,976,568	16,042,000	1,002,000	2,265,088
2	May 18, 2021 14:18	5,333	719,256,966	17,065,000	0	2,260,992
3	May 18, 2021 14:18	5,334	2,612,714,102	15,172,000	1,896,000	2,260,992
4	May 18, 2021 14:19	5,337	1,383,788,144	16,073,000	1,004,000	2,519,040
5	May 18, 2021 14:18	5,340	235,726,957	16,084,000	1,005,000	2,265,088
6	May 18, 2021 14:19	5,341	1,418,298,050	16,087,000	1,005,000	2,265,088
7	May 18, 2021 14:19	5,343	2,946,868,317	16,094,000	1,005,000	2,265,088
8	May 18, 2021 14:18	5,344	2,926,674,276	15,089,000	2,011,000	2,523,136
9	May 18, 2021 14:19	5,346	366,483,202	13,305,000	3,801,000	2,396,160
10	May 18, 2021 14:18	5,348	2,907,102,190	16,165,000	950,000	2,519,040
11	May 18, 2021 14:18	5,348	1,685,293,364	17,112,000	0	2,260,992
12	May 18, 2021 14:18	5,348	2,149,630,025	16,109,000	1,006,000	2,519,040
13	May 18, 2021 14:19	5,357	1,639,475,739	16,190,000	952,000	2,519,040
14	May 18, 2021 14:18	5,358	1,358,812,790	14,121,000	3,026,000	2,527,232
15	May 18, 2021 14:19	5,360	1,317,514,060	14,125,000	3,026,000	2,527,232
16	May 18, 2021 14:19	5,361	2,667,622,965	16,202,000	953,000	2,523,136
17	May 18, 2021 14:18	5,363	2,233,723,523	15,142,000	2,019,000	2,523,136
18	May 18, 2021 14:18	5,364	1,802,716,286	15,146,000	2,019,000	2,260,992
19	May 18, 2021 14:18	5,364	2,772,037,314	17,166,000	0	2,519,040
20	May 18, 2021 14:18	5,364	2,309,199,166	14,305,000	2,861,000	2,519,040
21	May 18, 2021 14:18	5,367	456,793,960	13,357,000	3,816,000	2,265,088
22	May 18, 2021 14:19	5,372	560,520,777	15,281,000	1,910,000	2,523,136
23	May 18, 2021 14:18	5,384	2,072,737,150	15,316,000	1,914,000	2,523,136
24	May 18, 2021 14:19	5,386	974,025,193	16,279,000	957,000	2,265,088
25	May 18, 2021 14:18	5,386	902,294,164	16,278,000	957,000	2,523,136
26	May 18, 2021 14:18	5,386	2,693,214,101	15,208,000	2,027,000	2,523,136
27	May 18, 2021 14:18	5,393	2,911,852,478	16,299,000	958,000	2,260,992
28	May 18, 2021 14:18	5,556	1,339,473,365	17,780,730	0	2,281,472
29	May 18, 2021 14:18	5,567	1,177,617,772	17,813,322	0	2,281,472
30	May 18, 2021 14:19	5,569	2,727,997,166	17,821,328	0	2,281,472
31	May 18, 2021 14:18	5,574	162,992,306	17,835,387	0	2,281,472
32	May 18, 2021 14:18	5,574	3,009,348,940	17,837,218	0	2,285,568
33	May 18, 2021 14:19	5,574	541,825,880	17,837,131	0	2,281,472
34	May 18, 2021 14:19	5,588	931,787,160	17,881,830	0	2,285,568
35	May 18, 2021 14:18	5,590	1,280,069,281	17,887,947	0	2,285,568
36	May 18, 2021 14:18	5,778	2,989,024,022	18,490,740	0	2,289,664

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