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 13, 2021 23:01

Yuriy Lyfenko

Score: 5,476

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 13, 2021 22:59	5,431	40,031,365	16,357,000	1,022,000	2,392,064
2	May 13, 2021 22:50	5,433	51,459,918	17,385,000	0	2,392,064
3	May 13, 2021 23:01	5,443	37,706,225	16,394,000	1,024,000	2,260,992
4	May 13, 2021 22:50	5,444	41,198,419	14,347,000	3,074,000	2,260,992
5	May 13, 2021 22:51	5,446	43,161,839	16,401,000	1,025,000	2,265,088
6	May 13, 2021 22:59	5,448	40,140,608	16,407,000	1,025,000	2,396,160
7	May 13, 2021 22:51	5,451	42,293,498	16,417,000	1,026,000	2,400,256
8	May 13, 2021 22:50	5,453	44,859,996	17,451,000	0	2,392,064
9	May 13, 2021 22:59	5,453	42,364,762	15,396,000	2,052,000	2,269,184
10	May 13, 2021 22:50	5,454	39,555,769	17,453,000	0	2,396,160
11	May 13, 2021 23:01	5,455	43,499,065	16,429,000	1,026,000	2,265,088
12	May 13, 2021 23:01	5,456	48,089,929	14,379,000	3,081,000	2,265,088
13	May 13, 2021 22:51	5,457	34,507,391	15,407,000	2,054,000	2,523,136
14	May 13, 2021 22:59	5,462	35,148,128	17,477,000	0	2,260,992
15	May 13, 2021 22:51	5,462	40,594,827	15,423,000	2,056,000	2,260,992
16	May 13, 2021 22:50	5,464	39,317,812	17,485,000	0	2,523,136
17	May 13, 2021 22:59	5,465	41,596,121	17,488,000	0	2,523,136
18	May 13, 2021 23:01	5,465	33,525,181	16,461,000	1,028,000	2,523,136
19	May 13, 2021 22:59	5,467	43,079,735	14,407,000	3,087,000	2,523,136
20	May 13, 2021 22:51	5,469	43,043,406	16,471,000	1,029,000	2,523,136
21	May 13, 2021 23:01	5,473	34,469,518	15,455,000	2,060,000	2,523,136
22	May 13, 2021 23:01	5,474	45,318,751	16,486,000	1,030,000	2,396,160
23	May 13, 2021 23:01	5,475	33,805,670	16,489,000	1,030,000	2,260,992
24	May 13, 2021 23:01	5,476	39,192,223	17,524,000	0	2,506,752
25	May 13, 2021 23:01	5,476	38,972,579	17,524,000	0	2,510,848
26	May 13, 2021 22:50	5,478	38,953,396	17,529,000	0	2,506,752
27	May 13, 2021 22:59	5,479	39,743,696	16,501,000	1,031,000	2,400,256
28	May 13, 2021 22:51	5,480	38,686,650	17,537,000	0	2,387,968
29	May 13, 2021 22:50	5,481	37,952,360	16,508,000	1,031,000	2,506,752
30	May 13, 2021 22:50	5,482	44,045,578	17,541,000	0	2,260,992
31	May 13, 2021 22:50	5,483	44,263,781	17,546,000	0	2,260,992
32	May 13, 2021 22:59	5,483	36,972,276	17,547,000	0	2,260,992
33	May 13, 2021 22:51	5,492	41,846,128	17,575,000	0	2,523,136
34	May 13, 2021 22:51	5,498	42,281,145	16,560,000	1,035,000	2,387,968
35	May 13, 2021 22:51	5,505	47,751,359	16,580,000	1,036,000	2,400,256
36	May 13, 2021 22:59	5,507	42,307,538	17,621,000	0	2,396,160
37	May 13, 2021 23:01	5,616	80,515,471	17,971,893	0	2,285,568
38	May 13, 2021 22:51	5,672	86,637,720	18,151,964	0	2,277,376
39	May 13, 2021 22:51	5,676	59,263,699	18,163,359	0	2,285,568
40	May 13, 2021 22:50	5,691	72,853,988	18,212,194	0	2,277,376
41	May 13, 2021 22:59	5,692	66,920,137	18,213,475	0	2,285,568
42	May 13, 2021 22:59	5,692	97,876,632	18,215,370	0	2,285,568
43	May 13, 2021 23:01	5,698	63,238,896	18,232,747	0	2,285,568
44	May 13, 2021 22:50	5,700	94,223,333	18,239,199	0	2,273,280
45	May 13, 2021 23:01	5,700	82,386,350	18,239,266	0	2,273,280
46	May 13, 2021 22:59	5,705	68,646,630	18,254,732	0	2,281,472
47	May 13, 2021 22:51	5,721	78,618,135	18,306,701	0	2,277,376
48	May 13, 2021 22:50	5,723	76,760,571	18,313,073	0	2,277,376

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