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 19:07

Yuriy Lyfenko

Score: 5,584

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 19:07	5,546	2,186,532,832	15,775,000	1,971,000	2,523,136
2	May 16, 2021 19:07	5,546	521,308,131	14,789,000	2,957,000	2,523,136
3	May 16, 2021 19:07	5,546	1,274,947,695	14,789,000	2,957,000	2,265,088
4	May 16, 2021 19:07	5,548	3,158,273,386	15,781,000	1,972,000	2,523,136
5	May 16, 2021 19:07	5,553	3,867,626,268	17,770,000	0	2,523,136
6	May 16, 2021 19:07	5,556	2,917,991,743	17,780,000	0	2,265,088
7	May 16, 2021 19:07	5,559	2,612,290,457	16,801,000	988,000	2,523,136
8	May 16, 2021 19:07	5,564	2,595,625,562	13,849,000	3,957,000	2,260,992
9	May 16, 2021 19:07	5,567	301,252,909	15,835,000	1,979,000	2,523,136
10	May 16, 2021 19:07	5,569	858,835,203	15,841,000	1,980,000	2,523,136
11	May 16, 2021 19:07	5,571	3,614,377,563	14,856,000	2,971,000	2,523,136
12	May 16, 2021 19:07	5,571	4,724,286,867	16,838,000	990,000	2,527,232
13	May 16, 2021 19:07	5,575	621,068,580	16,849,000	991,000	2,260,992
14	May 16, 2021 19:07	5,576	4,538,986,612	15,860,000	1,982,000	2,260,992
15	May 16, 2021 19:07	5,576	2,762,047,497	15,861,000	1,982,000	2,514,944
16	May 16, 2021 19:07	5,578	4,974,195,733	17,851,000	0	2,523,136
17	May 16, 2021 19:07	5,581	2,427,844,742	16,868,000	992,000	2,523,136
18	May 16, 2021 19:07	5,584	2,457,758,863	15,884,000	1,985,000	2,519,040
19	May 16, 2021 19:07	5,584	235,602,513	16,878,000	992,000	2,260,992
20	May 16, 2021 19:07	5,585	1,587,159,750	17,871,000	0	2,510,848
21	May 16, 2021 19:07	5,587	480,440,655	15,891,000	1,986,000	2,260,992
22	May 16, 2021 19:07	5,589	3,028,747,975	15,897,000	1,987,000	2,260,992
23	May 16, 2021 19:07	5,590	2,676,957,915	14,906,000	2,981,000	2,523,136
24	May 16, 2021 19:07	5,595	4,274,128,069	15,916,000	1,989,000	2,519,040
25	May 16, 2021 19:07	5,596	2,790,082,406	14,924,000	2,984,000	2,260,992
26	May 16, 2021 19:07	5,598	2,905,367,230	14,927,000	2,985,000	2,527,232
27	May 16, 2021 19:07	5,602	2,014,095,583	15,934,000	1,991,000	2,269,184
28	May 16, 2021 19:07	5,733	2,462,171,138	18,345,610	0	2,289,664
29	May 16, 2021 19:07	5,744	355,689,206	18,380,896	0	2,281,472
30	May 16, 2021 19:07	5,747	1,353,524,774	18,391,891	0	2,277,376
31	May 16, 2021 19:07	5,750	2,993,317,694	18,401,508	0	2,285,568
32	May 16, 2021 19:07	5,752	2,052,925,915	18,407,959	0	2,285,568
33	May 16, 2021 19:07	5,753	3,469,169,948	18,410,763	0	2,281,472
34	May 16, 2021 19:07	5,754	2,276,323,014	18,413,613	0	2,281,472
35	May 16, 2021 19:07	5,758	464,862,484	18,424,737	0	2,281,472
36	May 16, 2021 19:07	5,765	706,716,190	18,447,370	0	2,277,376

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