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 listDec 12, 2024 18:22

Yuriy Lyfenko

Score: 4,399

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 3, 2024 19:10	4,363	533,998,106	11,968,000	1,994,000	2,273,280
2	Sep 3, 2024 19:10	4,369	541,581,722	11,984,000	1,997,000	2,535,424
3	Sep 3, 2024 19:10	4,374	534,663,145	11,998,000	1,999,000	2,535,424
4	Sep 3, 2024 19:10	4,380	536,840,022	12,015,000	2,002,000	2,453,504
5	Dec 12, 2024 18:22	4,381	535,355,662	12,017,000	2,002,000	2,461,696
6	Sep 3, 2024 19:10	4,385	533,463,620	12,028,000	2,004,000	2,273,280
7	Sep 3, 2024 19:10	4,386	538,007,996	12,031,000	2,005,000	2,531,328
8	Sep 3, 2024 19:10	4,387	542,584,744	12,034,000	2,005,000	2,281,472
9	Sep 3, 2024 19:10	4,387	536,873,521	12,032,000	2,005,000	2,535,424
10	Sep 3, 2024 19:10	4,389	534,549,886	12,039,000	2,006,000	2,535,424
11	Sep 3, 2024 19:10	4,390	537,775,455	12,042,000	2,007,000	2,535,424
12	Sep 3, 2024 19:10	4,391	538,354,836	12,044,000	2,007,000	2,531,328
13	Sep 3, 2024 19:10	4,395	533,597,852	12,055,000	2,009,000	2,535,424
14	Sep 3, 2024 19:10	4,396	534,483,026	12,059,000	2,009,000	2,535,424
15	Sep 3, 2024 19:10	4,396	535,592,142	12,059,000	2,009,000	2,535,424
16	Sep 3, 2024 19:10	4,397	535,112,305	12,060,000	2,010,000	2,273,280
17	Sep 3, 2024 19:10	4,397	531,951,646	12,060,000	2,010,000	2,535,424
18	Sep 3, 2024 19:10	4,397	535,933,333	12,061,000	2,010,000	2,535,424
19	Sep 3, 2024 19:10	4,398	535,284,736	12,064,000	2,010,000	2,273,280
20	Sep 3, 2024 19:10	4,399	538,126,016	12,066,000	2,011,000	2,531,328
21	Sep 3, 2024 19:10	4,399	541,504,441	12,066,000	2,011,000	2,273,280
22	Sep 3, 2024 19:10	4,402	537,559,305	12,073,000	2,012,000	2,535,424
23	Sep 3, 2024 19:10	4,403	537,278,786	12,076,000	2,012,000	2,281,472
24	Sep 3, 2024 19:10	4,403	535,650,798	12,076,000	2,012,000	2,535,424
25	Sep 3, 2024 19:10	4,403	531,828,070	12,076,000	2,012,000	2,269,184
26	Sep 3, 2024 19:10	4,404	537,714,167	12,081,000	2,013,000	2,535,424
27	Sep 3, 2024 19:10	4,404	543,750,674	12,081,000	2,013,000	2,535,424
28	Sep 3, 2024 19:10	4,405	537,415,745	12,083,000	2,013,000	2,445,312
29	Sep 3, 2024 19:10	4,405	540,298,608	12,082,000	2,013,000	2,535,424
30	Sep 3, 2024 19:10	4,406	536,585,967	12,084,000	2,014,000	2,535,424
31	Sep 3, 2024 19:10	4,408	537,926,755	12,092,000	2,015,000	2,269,184
32	Sep 3, 2024 19:10	4,408	537,273,027	12,091,000	2,015,000	2,535,424
33	Dec 12, 2024 18:22	4,409	539,145,787	12,093,000	2,015,000	2,531,328
34	Sep 3, 2024 19:10	4,411	538,510,099	12,100,000	2,016,000	2,457,600
35	Sep 3, 2024 19:10	4,413	536,399,949	13,112,000	1,008,000	2,269,184
36	Sep 3, 2024 19:10	4,417	543,365,221	12,116,000	2,019,000	2,273,280
37	Sep 3, 2024 19:10	4,417	533,788,663	12,114,000	2,019,000	2,535,424
38	Dec 12, 2024 18:22	4,418	536,743,119	12,118,000	2,019,000	2,531,328
39	Sep 3, 2024 19:10	4,422	541,688,933	12,129,000	2,021,000	2,453,504

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