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 22:40

Yuriy Lyfenko

Score: 5,471

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 15, 2021 22:40	5,422	38,463,715	16,330,000	1,020,000	2,392,064
2	May 15, 2021 22:40	5,428	39,184,861	17,369,000	0	2,392,064
3	May 15, 2021 22:40	5,433	41,190,556	16,364,000	1,022,000	2,392,064
4	May 15, 2021 22:40	5,434	33,182,477	17,389,000	0	2,392,064
5	May 15, 2021 22:40	5,435	38,197,805	17,392,000	0	2,519,040
6	May 15, 2021 22:40	5,435	34,287,903	16,370,000	1,023,000	2,523,136
7	May 15, 2021 22:40	5,438	38,271,047	16,377,000	1,023,000	2,392,064
8	May 15, 2021 22:40	5,442	42,376,714	16,391,000	1,024,000	2,523,136
9	May 15, 2021 22:40	5,442	34,252,104	16,389,000	1,024,000	2,523,136
10	May 15, 2021 22:40	5,446	41,334,585	17,427,000	0	2,260,992
11	May 15, 2021 22:40	5,446	37,207,377	15,376,000	2,050,000	2,510,848
12	May 15, 2021 22:40	5,447	39,026,738	16,406,000	1,025,000	2,523,136
13	May 15, 2021 22:40	5,449	46,210,748	15,385,000	2,051,000	2,523,136
14	May 15, 2021 22:40	5,449	36,742,778	16,413,000	1,025,000	2,400,256
15	May 15, 2021 22:40	5,451	38,397,047	15,392,000	2,052,000	2,523,136
16	May 15, 2021 22:40	5,457	43,598,071	15,407,000	2,054,000	2,392,064
17	May 15, 2021 22:40	5,458	38,636,840	17,464,000	0	2,523,136
18	May 15, 2021 22:40	5,459	34,816,630	17,470,000	0	2,523,136
19	May 15, 2021 22:40	5,460	38,643,624	16,445,000	1,027,000	2,506,752
20	May 15, 2021 22:40	5,463	40,998,237	16,455,000	1,028,000	2,523,136
21	May 15, 2021 22:40	5,463	42,296,529	17,482,000	0	2,387,968
22	May 15, 2021 22:40	5,464	40,093,929	16,458,000	1,028,000	2,506,752
23	May 15, 2021 22:40	5,468	41,786,614	16,469,000	1,029,000	2,260,992
24	May 15, 2021 22:40	5,470	39,821,074	15,445,000	2,059,000	2,260,992
25	May 15, 2021 22:40	5,471	38,080,791	17,507,000	0	2,523,136
26	May 15, 2021 22:40	5,473	41,062,735	16,484,000	1,030,000	2,523,136
27	May 15, 2021 22:40	5,473	39,627,384	16,483,000	1,030,000	2,379,776
28	May 15, 2021 22:40	5,473	40,154,661	16,485,000	1,030,000	2,265,088
29	May 15, 2021 22:40	5,475	39,708,950	16,491,000	1,030,000	2,387,968
30	May 15, 2021 22:40	5,477	41,039,719	17,526,000	0	2,260,992
31	May 15, 2021 22:40	5,478	38,464,165	17,530,000	0	2,506,752
32	May 15, 2021 22:40	5,480	43,048,231	16,505,000	1,031,000	2,392,064
33	May 15, 2021 22:40	5,482	41,304,609	17,542,000	0	2,523,136
34	May 15, 2021 22:40	5,482	42,879,724	15,479,000	2,063,000	2,523,136
35	May 15, 2021 22:40	5,493	39,812,656	15,510,000	2,068,000	2,387,968
36	May 15, 2021 22:40	5,529	44,383,784	15,611,000	2,081,000	2,396,160
37	May 15, 2021 22:40	5,630	61,708,463	18,017,437	0	2,285,568
38	May 15, 2021 22:40	5,675	67,212,313	18,159,986	0	2,281,472
39	May 15, 2021 22:40	5,677	98,175,773	18,165,471	0	2,277,376
40	May 15, 2021 22:40	5,688	70,213,721	18,202,538	0	2,277,376
41	May 15, 2021 22:40	5,701	96,080,514	18,242,584	0	2,273,280
42	May 15, 2021 22:40	5,702	92,140,518	18,247,901	0	2,277,376
43	May 15, 2021 22:40	5,705	80,747,528	18,254,976	0	2,277,376
44	May 15, 2021 22:40	5,709	84,666,317	18,269,985	0	2,281,472
45	May 15, 2021 22:40	5,719	73,627,476	18,300,891	0	2,273,280
46	May 15, 2021 22:40	5,725	80,247,944	18,321,002	0	2,285,568
47	May 15, 2021 22:40	5,734	76,433,219	18,349,261	0	2,281,472
48	May 15, 2021 22:40	5,740	63,118,911	18,368,809	0	2,260,992

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