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 23:07

Yuriy Lyfenko

Score: 5,685

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 15, 2021 23:07	5,640	44,008,060	15,041,000	3,008,000	2,387,968
2	May 15, 2021 23:07	5,644	31,917,325	17,059,000	1,003,000	2,523,136
3	May 15, 2021 23:07	5,648	46,894,641	17,068,000	1,004,000	2,400,256
4	May 15, 2021 23:07	5,650	34,703,807	15,068,000	3,013,000	2,392,064
5	May 15, 2021 23:07	5,657	43,993,279	16,092,000	2,011,000	2,523,136
6	May 15, 2021 23:07	5,662	43,240,554	16,104,000	2,013,000	2,387,968
7	May 15, 2021 23:07	5,663	47,248,844	15,101,000	3,020,000	2,523,136
8	May 15, 2021 23:07	5,663	45,577,571	16,107,000	2,013,000	2,523,136
9	May 15, 2021 23:07	5,665	44,770,772	16,113,000	2,014,000	2,527,232
10	May 15, 2021 23:07	5,672	40,616,093	16,133,000	2,016,000	2,392,064
11	May 15, 2021 23:07	5,676	38,717,320	16,145,000	2,018,000	2,523,136
12	May 15, 2021 23:07	5,677	45,808,570	15,139,000	3,027,000	2,392,064
13	May 15, 2021 23:07	5,678	51,215,227	17,160,000	1,009,000	2,383,872
14	May 15, 2021 23:07	5,680	43,600,489	15,148,000	3,029,000	2,383,872
15	May 15, 2021 23:07	5,682	48,171,654	15,153,000	3,030,000	2,269,184
16	May 15, 2021 23:07	5,683	42,250,197	16,166,000	2,020,000	2,523,136
17	May 15, 2021 23:07	5,684	49,618,791	16,169,000	2,021,000	2,400,256
18	May 15, 2021 23:07	5,685	44,300,099	16,170,000	2,021,000	2,387,968
19	May 15, 2021 23:07	5,685	46,934,736	15,161,000	3,032,000	2,392,064
20	May 15, 2021 23:07	5,701	44,983,939	15,202,000	3,040,000	2,387,968
21	May 15, 2021 23:07	5,707	46,672,620	16,233,000	2,029,000	2,523,136
22	May 15, 2021 23:07	5,708	40,790,918	17,250,000	1,014,000	2,523,136
23	May 15, 2021 23:07	5,709	32,691,965	18,269,000	0	2,473,984
24	May 15, 2021 23:07	5,712	49,184,133	16,247,000	2,030,000	2,383,872
25	May 15, 2021 23:07	5,723	41,967,266	17,297,000	1,017,000	2,396,160
26	May 15, 2021 23:07	5,724	50,359,670	17,300,000	1,017,000	2,379,776
27	May 15, 2021 23:07	5,750	42,463,039	18,401,000	0	2,260,992
28	May 15, 2021 23:07	6,119	90,368,411	19,582,084	0	2,269,184
29	May 15, 2021 23:07	6,141	81,266,924	19,650,329	0	2,281,472
30	May 15, 2021 23:07	6,146	83,026,483	19,667,219	0	2,281,472
31	May 15, 2021 23:07	6,155	76,698,789	19,695,584	0	2,285,568
32	May 15, 2021 23:07	6,167	103,168,191	19,733,316	0	2,273,280
33	May 15, 2021 23:07	6,176	56,163,428	19,763,001	0	2,277,376
34	May 15, 2021 23:07	6,181	100,677,768	19,778,268	0	2,277,376
35	May 15, 2021 23:07	6,189	83,524,688	19,805,723	0	2,277,376
36	May 15, 2021 23:07	6,200	86,984,440	19,841,366	0	2,277,376

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