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 17, 2021 12:04

Sergey Stremin

Score: 5,483

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 17, 2021 12:07	5,448	39,660,278	17,433,000	0	2,371,584
2	May 17, 2021 12:07	5,456	45,969,940	15,405,000	2,054,000	2,375,680
3	May 17, 2021 12:04	5,458	43,556,479	17,464,000	0	2,371,584
4	May 17, 2021 12:04	5,458	38,914,305	15,412,000	2,055,000	2,371,584
5	May 17, 2021 12:07	5,459	42,424,196	15,414,000	2,055,000	2,277,376
6	May 17, 2021 12:04	5,464	40,032,856	14,399,000	3,085,000	2,478,080
7	May 17, 2021 12:04	5,468	38,527,037	16,469,000	1,029,000	2,277,376
8	May 17, 2021 12:04	5,468	38,537,879	16,468,000	1,029,000	2,277,376
9	May 17, 2021 12:04	5,470	39,898,423	15,444,000	2,059,000	2,371,584
10	May 17, 2021 12:04	5,474	40,383,050	15,457,000	2,061,000	2,478,080
11	May 17, 2021 12:04	5,475	39,911,911	16,491,000	1,030,000	2,277,376
12	May 17, 2021 12:04	5,475	33,534,389	17,520,000	0	2,277,376
13	May 17, 2021 12:04	5,475	35,660,608	14,428,000	3,091,000	2,375,680
14	May 17, 2021 12:04	5,476	35,661,374	15,462,000	2,061,000	2,375,680
15	May 17, 2021 12:07	5,476	39,654,809	16,492,000	1,030,000	2,379,776
16	May 17, 2021 12:07	5,477	34,336,304	15,464,000	2,061,000	2,371,584
17	May 17, 2021 12:04	5,479	33,541,746	16,501,000	1,031,000	2,371,584
18	May 17, 2021 12:04	5,482	34,722,356	16,510,000	1,031,000	2,367,488
19	May 17, 2021 12:04	5,483	41,968,950	17,547,000	0	2,277,376
20	May 17, 2021 12:07	5,487	37,005,094	15,493,000	2,065,000	2,371,584
21	May 17, 2021 12:07	5,487	46,837,764	16,525,000	1,032,000	2,367,488
22	May 17, 2021 12:04	5,487	39,658,642	16,526,000	1,032,000	2,379,776
23	May 17, 2021 12:04	5,489	42,979,684	16,532,000	1,033,000	2,375,680
24	May 17, 2021 12:04	5,497	39,513,147	17,591,000	0	2,363,392
25	May 17, 2021 12:07	5,501	47,234,865	16,567,000	1,035,000	2,375,680
26	May 17, 2021 12:07	5,508	40,375,476	15,551,000	2,073,000	2,281,472
27	May 17, 2021 12:04	5,518	34,274,969	15,581,000	2,077,000	2,277,376
28	May 17, 2021 12:07	5,734	90,303,764	18,347,555	0	2,248,704
29	May 17, 2021 12:07	5,749	84,624,313	18,396,031	0	2,236,416
30	May 17, 2021 12:04	5,754	94,067,173	18,413,687	0	2,236,416
31	May 17, 2021 12:04	5,754	87,681,271	18,411,521	0	2,244,608
32	May 17, 2021 12:04	5,764	83,205,655	18,444,930	0	2,240,512
33	May 17, 2021 12:04	5,765	88,945,856	18,447,327	0	2,236,416
34	May 17, 2021 12:04	5,775	61,343,051	18,481,286	0	2,240,512
35	May 17, 2021 12:07	5,785	65,001,914	18,512,750	0	2,240,512
36	May 17, 2021 12:04	5,788	74,144,363	18,521,787	0	2,244,608

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