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 15, 2021 20:45

Yuriy Lyfenko

Score: 5,458

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 15, 2021 20:45	5,408	35,316,242	16,289,000	1,018,000	2,523,136
2	May 15, 2021 20:45	5,417	37,370,246	15,294,000	2,039,000	2,523,136
3	May 15, 2021 20:45	5,418	38,312,109	17,339,000	0	2,265,088
4	May 15, 2021 20:45	5,418	39,193,886	16,317,000	1,019,000	2,260,992
5	May 15, 2021 20:45	5,434	40,282,775	17,390,000	0	2,265,088
6	May 15, 2021 20:45	5,436	44,171,020	17,394,000	0	2,392,064
7	May 15, 2021 20:45	5,437	51,679,710	16,375,000	1,023,000	2,260,992
8	May 15, 2021 20:45	5,442	44,127,051	16,389,000	1,024,000	2,260,992
9	May 15, 2021 20:45	5,443	46,261,724	16,395,000	1,024,000	2,523,136
10	May 15, 2021 20:45	5,443	46,197,504	16,393,000	1,024,000	2,392,064
11	May 15, 2021 20:45	5,443	39,472,246	17,417,000	0	2,387,968
12	May 15, 2021 20:45	5,444	47,427,384	15,373,000	2,049,000	2,265,088
13	May 15, 2021 20:45	5,444	44,288,240	17,420,000	0	2,523,136
14	May 15, 2021 20:45	5,448	37,826,829	16,407,000	1,025,000	2,506,752
15	May 15, 2021 20:45	5,449	40,891,980	15,386,000	2,051,000	2,396,160
16	May 15, 2021 20:45	5,451	49,986,830	15,504,000	1,938,000	2,260,992
17	May 15, 2021 20:45	5,455	31,970,806	17,455,000	0	2,523,136
18	May 15, 2021 20:45	5,455	39,880,377	16,431,000	1,026,000	2,400,256
19	May 15, 2021 20:45	5,458	44,553,076	16,440,000	1,027,000	2,523,136
20	May 15, 2021 20:45	5,460	39,631,694	17,472,000	0	2,523,136
21	May 15, 2021 20:45	5,460	35,896,876	16,446,000	1,027,000	2,260,992
22	May 15, 2021 20:45	5,465	41,840,980	17,489,000	0	2,392,064
23	May 15, 2021 20:45	5,468	38,443,139	17,498,000	0	2,260,992
24	May 15, 2021 20:45	5,471	40,119,409	17,508,000	0	2,392,064
25	May 15, 2021 20:45	5,473	42,098,013	15,455,000	2,060,000	2,527,232
26	May 15, 2021 20:45	5,475	33,350,516	17,521,000	0	2,523,136
27	May 15, 2021 20:45	5,478	39,488,069	16,499,000	1,031,000	2,260,992
28	May 15, 2021 20:45	5,607	59,609,827	17,941,350	0	2,285,568
29	May 15, 2021 20:45	5,626	74,733,252	18,003,488	0	2,281,472
30	May 15, 2021 20:45	5,635	70,927,543	18,030,871	0	2,277,376
31	May 15, 2021 20:45	5,650	76,239,745	18,080,929	0	2,281,472
32	May 15, 2021 20:45	5,664	78,137,461	18,126,318	0	2,273,280
33	May 15, 2021 20:45	5,664	85,822,452	18,123,893	0	2,273,280
34	May 15, 2021 20:45	5,693	87,199,297	18,217,206	0	2,277,376
35	May 15, 2021 20:45	5,696	104,125,222	18,225,662	0	2,281,472
36	May 15, 2021 20:45	5,699	77,743,937	18,237,816	0	2,269,184

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