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 22:23

Yuriy Lyfenko

Score: 5,459

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 15, 2021 22:23	5,414	39,485,017	15,288,000	2,038,000	2,265,088
2	May 15, 2021 22:23	5,418	44,674,196	17,337,000	0	2,392,064
3	May 15, 2021 22:23	5,419	33,101,568	12,241,000	5,100,000	2,400,256
4	May 15, 2021 22:23	5,430	41,713,697	15,332,000	2,044,000	2,260,992
5	May 15, 2021 22:23	5,430	40,133,345	15,332,000	2,044,000	2,269,184
6	May 15, 2021 22:23	5,435	39,470,614	16,368,000	1,023,000	2,396,160
7	May 15, 2021 22:23	5,438	43,907,038	16,378,000	1,023,000	2,396,160
8	May 15, 2021 22:23	5,438	36,346,956	17,400,000	0	2,523,136
9	May 15, 2021 22:23	5,440	43,744,127	17,407,000	0	2,396,160
10	May 15, 2021 22:23	5,442	34,351,655	17,414,000	0	2,392,064
11	May 15, 2021 22:23	5,442	43,443,630	17,414,000	0	2,396,160
12	May 15, 2021 22:23	5,443	37,517,747	15,368,000	2,049,000	2,260,992
13	May 15, 2021 22:23	5,444	36,898,736	15,371,000	2,049,000	2,392,064
14	May 15, 2021 22:23	5,446	41,295,522	16,403,000	1,025,000	2,396,160
15	May 15, 2021 22:23	5,446	48,804,600	16,401,000	1,025,000	2,392,064
16	May 15, 2021 22:23	5,447	43,651,531	16,404,000	1,025,000	2,260,992
17	May 15, 2021 22:23	5,448	38,637,151	15,384,000	2,051,000	2,265,088
18	May 15, 2021 22:23	5,448	45,864,349	16,408,000	1,025,000	2,400,256
19	May 15, 2021 22:23	5,449	34,039,137	17,438,000	0	2,396,160
20	May 15, 2021 22:23	5,450	36,964,760	17,441,000	0	2,260,992
21	May 15, 2021 22:23	5,453	33,802,588	16,425,000	1,026,000	2,260,992
22	May 15, 2021 22:23	5,457	39,126,398	16,434,000	1,027,000	2,260,992
23	May 15, 2021 22:23	5,457	44,713,233	17,462,000	0	2,387,968
24	May 15, 2021 22:23	5,458	41,951,986	15,411,000	2,054,000	2,265,088
25	May 15, 2021 22:23	5,459	43,104,107	15,415,000	2,055,000	2,392,064
26	May 15, 2021 22:23	5,460	40,788,457	16,445,000	1,027,000	2,396,160
27	May 15, 2021 22:23	5,460	39,993,097	16,445,000	1,027,000	2,523,136
28	May 15, 2021 22:23	5,460	44,257,827	16,446,000	1,027,000	2,387,968
29	May 15, 2021 22:23	5,463	33,730,773	15,426,000	2,056,000	2,387,968
30	May 15, 2021 22:23	5,468	39,318,577	17,499,000	0	2,396,160
31	May 15, 2021 22:23	5,471	44,118,135	16,478,000	1,029,000	2,260,992
32	May 15, 2021 22:23	5,473	33,710,308	16,483,000	1,030,000	2,260,992
33	May 15, 2021 22:23	5,473	38,079,710	16,483,000	1,030,000	2,400,256
34	May 15, 2021 22:23	5,478	34,026,058	16,499,000	1,031,000	2,400,256
35	May 15, 2021 22:23	5,480	41,325,716	17,536,000	0	2,392,064
36	May 15, 2021 22:23	5,495	43,755,554	16,551,000	1,034,000	2,392,064
37	May 15, 2021 22:23	5,644	71,877,766	18,060,452	0	2,281,472
38	May 15, 2021 22:23	5,649	74,211,454	18,077,683	0	2,281,472
39	May 15, 2021 22:23	5,660	85,223,078	18,112,560	0	2,269,184
40	May 15, 2021 22:23	5,662	88,967,207	18,118,036	0	2,285,568
41	May 15, 2021 22:23	5,666	64,762,354	18,129,656	0	2,277,376
42	May 15, 2021 22:23	5,666	84,606,925	18,130,556	0	2,277,376
43	May 15, 2021 22:23	5,679	99,842,555	18,171,484	0	2,273,280
44	May 15, 2021 22:23	5,679	76,346,992	18,171,579	0	2,285,568
45	May 15, 2021 22:23	5,684	86,242,488	18,188,938	0	2,277,376
46	May 15, 2021 22:23	5,700	76,544,801	18,240,853	0	2,273,280
47	May 15, 2021 22:23	5,715	86,291,186	18,287,936	0	2,273,280
48	May 15, 2021 22:23	5,763	70,378,963	18,442,101	0	2,285,568

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