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 19:52

Yuriy Lyfenko

Score: 5,676

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 13, 2021 19:52	5,629	542,974,564	16,011,000	2,001,000	2,330,624
2	Jul 13, 2021 19:52	5,631	545,835,058	16,017,000	2,002,000	2,330,624
3	Jul 13, 2021 19:52	5,631	543,599,835	16,018,000	2,002,000	2,334,720
4	Jul 13, 2021 19:52	5,642	543,734,485	16,048,000	2,006,000	2,330,624
5	Jul 13, 2021 19:52	5,643	546,777,340	16,053,000	2,006,000	2,330,624
6	Jul 13, 2021 19:52	5,646	541,378,498	16,059,000	2,007,000	2,330,624
7	Jul 13, 2021 19:52	5,647	549,040,292	16,063,000	2,007,000	2,330,624
8	Jul 13, 2021 19:52	5,648	545,047,085	15,063,000	3,012,000	2,342,912
9	Jul 13, 2021 19:52	5,655	548,139,333	16,086,000	2,010,000	2,330,624
10	Jul 13, 2021 19:52	5,658	583,540,991	18,106,715	0	2,228,224
11	Jul 13, 2021 19:52	5,659	542,759,785	16,096,000	2,012,000	2,330,624
12	Jul 13, 2021 19:52	5,660	546,188,274	16,101,000	2,012,000	2,330,624
13	Jul 13, 2021 19:52	5,663	541,210,769	15,100,000	3,020,000	2,334,720
14	Jul 13, 2021 19:52	5,663	539,831,360	15,101,000	3,020,000	2,330,624
15	Jul 13, 2021 19:52	5,664	538,398,138	16,112,000	2,014,000	2,334,720
16	Jul 13, 2021 19:52	5,666	542,034,366	15,109,000	3,021,000	2,523,136
17	Jul 13, 2021 19:52	5,668	542,182,412	14,108,000	4,030,000	2,330,624
18	Jul 13, 2021 19:52	5,670	547,670,901	15,121,000	3,024,000	2,330,624
19	Jul 13, 2021 19:52	5,676	541,125,181	16,144,000	2,018,000	2,334,720
20	Jul 13, 2021 19:52	5,677	574,967,300	18,166,239	0	2,228,224
21	Jul 13, 2021 19:52	5,679	544,325,535	16,153,000	2,019,000	2,330,624
22	Jul 13, 2021 19:52	5,681	540,257,892	16,159,000	2,019,000	2,330,624
23	Jul 13, 2021 19:52	5,683	578,276,530	18,184,915	0	2,252,800
24	Jul 13, 2021 19:52	5,686	571,204,301	18,196,347	0	2,252,800
25	Jul 13, 2021 19:52	5,688	540,227,550	16,178,000	2,022,000	2,330,624
26	Jul 13, 2021 19:52	5,690	582,719,099	18,207,475	0	2,228,224
27	Jul 13, 2021 19:52	5,690	539,022,609	17,196,000	1,011,000	2,330,624
28	Jul 13, 2021 19:52	5,693	541,401,263	15,182,000	3,036,000	2,527,232
29	Jul 13, 2021 19:52	5,693	539,085,298	17,204,000	1,012,000	2,334,720
30	Jul 13, 2021 19:52	5,694	575,685,349	18,219,475	0	2,215,936
31	Jul 13, 2021 19:52	5,695	543,763,018	15,188,000	3,037,000	2,334,720
32	Jul 13, 2021 19:52	5,695	544,102,621	14,175,000	4,050,000	2,330,624
33	Jul 13, 2021 19:52	5,698	572,972,619	18,235,081	0	2,224,128
34	Jul 13, 2021 19:52	5,699	541,735,119	14,185,000	4,053,000	2,334,720
35	Jul 13, 2021 19:52	5,741	569,098,758	18,371,614	0	2,256,896
36	Jul 13, 2021 19:52	5,758	592,537,557	18,424,451	0	2,256,896

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