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 15:56

Yuriy Lyfenko

Score: 5,462

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 15:58	5,420	33,499,075	16,323,000	1,020,000	2,392,064
2	May 16, 2021 15:58	5,434	43,374,935	16,367,000	1,022,000	2,383,872
3	May 16, 2021 15:58	5,434	36,755,729	16,367,000	1,022,000	2,400,256
4	May 16, 2021 15:58	5,435	45,475,026	17,392,000	0	2,519,040
5	May 16, 2021 15:56	5,436	49,901,708	16,371,000	1,023,000	2,523,136
6	May 16, 2021 15:58	5,438	37,266,955	15,354,000	2,047,000	2,392,064
7	May 16, 2021 15:58	5,441	42,573,234	16,386,000	1,024,000	2,260,992
8	May 16, 2021 15:56	5,441	40,404,762	16,386,000	1,024,000	2,519,040
9	May 16, 2021 15:58	5,448	39,800,686	16,409,000	1,025,000	2,387,968
10	May 16, 2021 15:58	5,452	34,738,087	16,421,000	1,026,000	2,519,040
11	May 16, 2021 15:56	5,452	30,175,486	17,446,000	0	2,519,040
12	May 16, 2021 15:58	5,453	33,437,579	16,424,000	1,026,000	2,392,064
13	May 16, 2021 15:58	5,454	44,101,491	15,400,000	2,053,000	2,519,040
14	May 16, 2021 15:58	5,454	41,936,452	15,399,000	2,053,000	2,392,064
15	May 16, 2021 15:58	5,455	34,732,750	16,430,000	1,026,000	2,519,040
16	May 16, 2021 15:58	5,460	38,830,847	17,473,000	0	2,519,040
17	May 16, 2021 15:56	5,460	44,966,613	16,444,000	1,027,000	2,519,040
18	May 16, 2021 15:56	5,460	34,680,448	16,446,000	1,027,000	2,383,872
19	May 16, 2021 15:58	5,462	44,088,495	17,478,000	0	2,519,040
20	May 16, 2021 15:56	5,464	39,465,806	15,429,000	2,057,000	2,519,040
21	May 16, 2021 15:58	5,467	42,147,082	16,465,000	1,029,000	2,379,776
22	May 16, 2021 15:56	5,467	33,508,554	17,493,000	0	2,387,968
23	May 16, 2021 15:58	5,470	44,735,495	15,446,000	2,059,000	2,265,088
24	May 16, 2021 15:58	5,473	37,122,707	17,512,000	0	2,506,752
25	May 16, 2021 15:58	5,473	33,766,486	17,512,000	0	2,396,160
26	May 16, 2021 15:56	5,478	39,325,601	17,530,000	0	2,506,752
27	May 16, 2021 15:56	5,503	41,575,804	16,575,000	1,035,000	2,392,064
28	May 16, 2021 15:56	5,674	96,436,365	18,156,186	0	2,273,280
29	May 16, 2021 15:56	5,675	86,554,961	18,160,905	0	2,285,568
30	May 16, 2021 15:58	5,681	71,036,240	18,178,453	0	2,277,376
31	May 16, 2021 15:58	5,694	77,300,615	18,221,068	0	2,281,472
32	May 16, 2021 15:58	5,698	98,627,708	18,234,838	0	2,281,472
33	May 16, 2021 15:58	5,701	76,134,948	18,242,017	0	2,277,376
34	May 16, 2021 15:56	5,718	59,556,027	18,298,129	0	2,285,568
35	May 16, 2021 15:58	5,724	83,916,927	18,317,420	0	2,277,376
36	May 16, 2021 15:58	5,745	84,057,204	18,384,864	0	2,269,184

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