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 listJul 13, 2021 19:42

Yuriy Lyfenko

Score: 5,685

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 13, 2021 19:42	5,640	549,317,047	15,041,000	3,008,000	2,523,136
2	Jul 13, 2021 19:43	5,640	542,915,547	16,042,000	2,005,000	2,330,624
3	Jul 13, 2021 19:43	5,643	543,525,727	16,051,000	2,006,000	2,334,720
4	Jul 13, 2021 19:43	5,648	539,800,136	16,066,000	2,008,000	2,334,720
5	Jul 13, 2021 19:43	5,650	542,091,547	15,067,000	3,013,000	2,334,720
6	Jul 13, 2021 19:42	5,651	547,429,800	16,075,000	2,009,000	2,330,624
7	Jul 13, 2021 19:42	5,654	542,276,169	15,079,000	3,015,000	2,334,720
8	Jul 13, 2021 19:43	5,657	542,039,593	15,086,000	3,017,000	2,342,912
9	Jul 13, 2021 19:43	5,661	540,794,223	15,095,000	3,019,000	2,334,720
10	Jul 13, 2021 19:43	5,665	540,921,313	15,106,000	3,021,000	2,330,624
11	Jul 13, 2021 19:43	5,668	538,695,655	16,123,000	2,015,000	2,330,624
12	Jul 13, 2021 19:43	5,672	543,766,012	15,126,000	3,025,000	2,383,872
13	Jul 13, 2021 19:42	5,672	541,947,470	16,133,000	2,016,000	2,330,624
14	Jul 13, 2021 19:43	5,672	544,798,741	15,125,000	3,025,000	2,330,624
15	Jul 13, 2021 19:43	5,673	538,515,864	14,121,000	4,034,000	2,523,136
16	Jul 13, 2021 19:43	5,676	543,074,627	17,153,000	1,009,000	2,330,624
17	Jul 13, 2021 19:43	5,678	546,236,697	15,143,000	3,028,000	2,334,720
18	Jul 13, 2021 19:42	5,683	538,670,542	15,155,000	3,031,000	2,310,144
19	Jul 13, 2021 19:42	5,685	538,587,742	15,160,000	3,032,000	2,330,624
20	Jul 13, 2021 19:43	5,686	575,815,785	18,195,821	0	2,256,896
21	Jul 13, 2021 19:42	5,686	570,935,827	18,195,744	0	2,236,416
22	Jul 13, 2021 19:43	5,691	541,801,554	16,187,000	2,023,000	2,330,624
23	Jul 13, 2021 19:43	5,691	538,257,303	16,188,000	2,023,000	2,330,624
24	Jul 13, 2021 19:43	5,697	541,572,351	15,192,000	3,038,000	2,330,624
25	Jul 13, 2021 19:43	5,699	539,672,231	15,197,000	3,039,000	2,334,720
26	Jul 13, 2021 19:42	5,702	540,454,420	16,220,000	2,027,000	2,330,624
27	Jul 13, 2021 19:43	5,709	571,280,968	18,269,611	0	2,228,224
28	Jul 13, 2021 19:42	5,710	570,047,029	18,270,494	0	2,232,320
29	Jul 13, 2021 19:42	5,710	540,989,828	16,241,000	2,030,000	2,334,720
30	Jul 13, 2021 19:43	5,712	570,631,939	18,278,055	0	2,256,896
31	Jul 13, 2021 19:43	5,717	543,013,658	14,229,000	4,065,000	2,514,944
32	Jul 13, 2021 19:42	5,736	543,401,107	15,296,000	3,059,000	2,334,720
33	Jul 13, 2021 19:43	5,738	584,573,172	18,360,227	0	2,224,128
34	Jul 13, 2021 19:43	5,739	588,705,380	18,365,620	0	2,252,800
35	Jul 13, 2021 19:42	5,762	576,319,785	18,439,076	0	2,228,224
36	Jul 13, 2021 19:43	5,766	586,187,912	18,451,473	0	2,220,032

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