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 16, 2021 15:55

Yuriy Lyfenko

Score: 5,459

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 15:54	5,423	40,710,620	16,333,000	1,020,000	2,519,040
2	May 16, 2021 15:54	5,425	44,117,202	16,339,000	1,021,000	2,510,848
3	May 16, 2021 15:54	5,432	36,864,636	16,359,000	1,022,000	2,519,040
4	May 16, 2021 15:55	5,432	38,728,415	17,382,000	0	2,519,040
5	May 16, 2021 15:54	5,433	42,198,908	16,365,000	1,022,000	2,519,040
6	May 16, 2021 15:54	5,434	40,395,710	16,366,000	1,022,000	2,383,872
7	May 16, 2021 15:54	5,438	38,632,111	16,380,000	1,023,000	2,502,656
8	May 16, 2021 15:54	5,438	34,075,729	15,353,000	2,047,000	2,392,064
9	May 16, 2021 15:54	5,438	44,634,343	17,400,000	0	2,383,872
10	May 16, 2021 15:54	5,443	39,775,597	16,393,000	1,024,000	2,383,872
11	May 16, 2021 15:54	5,445	50,444,434	16,400,000	1,025,000	2,400,256
12	May 16, 2021 15:55	5,452	39,247,226	16,421,000	1,026,000	2,519,040
13	May 16, 2021 15:54	5,452	38,195,206	16,420,000	1,026,000	2,519,040
14	May 16, 2021 15:55	5,453	36,270,884	17,449,000	0	2,392,064
15	May 16, 2021 15:54	5,454	45,159,427	16,426,000	1,026,000	2,519,040
16	May 16, 2021 15:54	5,454	39,193,064	17,453,000	0	2,379,776
17	May 16, 2021 15:55	5,455	34,147,062	17,455,000	0	2,392,064
18	May 16, 2021 15:54	5,459	36,491,517	16,441,000	1,027,000	2,519,040
19	May 16, 2021 15:54	5,459	42,274,741	17,469,000	0	2,519,040
20	May 16, 2021 15:55	5,460	37,687,745	17,472,000	0	2,519,040
21	May 16, 2021 15:54	5,462	34,038,677	16,450,000	1,028,000	2,383,872
22	May 16, 2021 15:54	5,464	40,453,542	17,486,000	0	2,473,984
23	May 16, 2021 15:55	5,466	43,538,037	16,463,000	1,028,000	2,519,040
24	May 16, 2021 15:55	5,468	34,091,483	16,470,000	1,029,000	2,396,160
25	May 16, 2021 15:55	5,469	42,735,796	17,502,000	0	2,519,040
26	May 16, 2021 15:55	5,472	45,552,379	16,481,000	1,030,000	2,519,040
27	May 16, 2021 15:54	5,474	36,141,182	16,486,000	1,030,000	2,260,992
28	May 16, 2021 15:55	5,665	65,725,414	18,126,915	0	2,277,376
29	May 16, 2021 15:54	5,678	65,235,738	18,170,837	0	2,281,472
30	May 16, 2021 15:54	5,686	62,696,596	18,193,898	0	2,281,472
31	May 16, 2021 15:54	5,696	83,816,706	18,227,000	0	2,281,472
32	May 16, 2021 15:54	5,698	88,656,302	18,233,366	0	2,285,568
33	May 16, 2021 15:55	5,714	82,103,590	18,284,184	0	2,277,376
34	May 16, 2021 15:54	5,729	67,006,406	18,332,069	0	2,277,376
35	May 16, 2021 15:54	5,737	86,141,243	18,359,469	0	2,277,376
36	May 16, 2021 15:55	5,779	74,316,222	18,491,621	0	2,281,472

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