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 26, 2024 20:51

Yuriy Lyfenko

Score: 4,378

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 26, 2024 20:52	4,355	535,876,438	11,946,000	1,991,000	2,453,504
2	Jul 26, 2024 20:52	4,357	534,896,903	11,951,000	1,991,000	2,535,424
3	Jul 26, 2024 20:52	4,357	540,110,402	11,951,000	1,991,000	2,273,280
4	Jul 26, 2024 20:52	4,358	536,288,382	11,954,000	1,992,000	2,457,600
5	Jul 26, 2024 20:52	4,358	536,536,683	11,952,000	1,992,000	2,273,280
6	Jul 26, 2024 20:51	4,360	538,154,025	11,959,000	1,993,000	2,535,424
7	Jul 26, 2024 20:51	4,360	540,260,011	11,958,000	1,993,000	2,273,280
8	Jul 26, 2024 20:52	4,362	537,629,847	11,965,000	1,994,000	2,535,424
9	Jul 26, 2024 20:52	4,363	536,066,368	11,966,000	1,994,000	2,273,280
10	Jul 26, 2024 20:52	4,366	531,984,424	11,975,000	1,995,000	2,273,280
11	Jul 26, 2024 20:51	4,368	534,647,811	11,980,000	1,996,000	2,285,568
12	Jul 26, 2024 20:52	4,368	534,628,290	11,980,000	1,996,000	2,535,424
13	Jul 26, 2024 20:52	4,375	535,845,353	12,001,000	2,000,000	2,273,280
14	Jul 26, 2024 20:51	4,376	539,662,410	12,002,000	2,000,000	2,535,424
15	Jul 26, 2024 20:52	4,376	534,034,918	12,002,000	2,000,000	2,285,568
16	Jul 26, 2024 20:51	4,377	535,611,675	12,005,000	2,000,000	2,445,312
17	Jul 26, 2024 20:52	4,377	534,606,741	12,005,000	2,000,000	2,273,280
18	Jul 26, 2024 20:52	4,378	537,117,181	12,007,000	2,001,000	2,273,280
19	Jul 26, 2024 20:52	4,378	540,842,466	13,009,000	1,000,000	2,449,408
20	Jul 26, 2024 20:52	4,381	539,752,759	12,016,000	2,002,000	2,535,424
21	Jul 26, 2024 20:51	4,387	537,782,940	12,033,000	2,005,000	2,273,280
22	Jul 26, 2024 20:51	4,387	537,483,618	12,032,000	2,005,000	2,535,424
23	Jul 26, 2024 20:51	4,387	540,638,643	12,032,000	2,005,000	2,535,424
24	Jul 26, 2024 20:52	4,388	537,399,161	12,037,000	2,006,000	2,273,280
25	Jul 26, 2024 20:52	4,389	535,351,909	12,039,000	2,006,000	2,273,280
26	Jul 26, 2024 20:52	4,396	537,674,279	13,062,000	1,004,000	2,535,424
27	Jul 26, 2024 20:51	4,405	539,553,631	12,082,000	2,013,000	2,535,424
28	Jul 26, 2024 20:52	4,575	571,282,170	14,640,690	0	2,256,896
29	Jul 26, 2024 20:52	4,578	573,493,138	14,650,456	0	2,187,264
30	Jul 26, 2024 20:51	4,579	569,558,000	14,652,488	0	2,256,896
31	Jul 26, 2024 20:52	4,586	581,275,545	14,674,044	0	2,195,456
32	Jul 26, 2024 20:52	4,591	573,320,438	14,691,182	0	2,191,360
33	Jul 26, 2024 20:52	4,593	562,846,837	14,696,732	0	2,195,456
34	Jul 26, 2024 20:52	4,595	579,092,207	14,705,538	0	2,191,360
35	Jul 26, 2024 20:51	4,599	563,843,853	14,715,639	0	2,199,552
36	Jul 26, 2024 20:51	4,655	578,726,158	14,894,714	0	2,326,528

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