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 listJun 20, 2023 11:07

Ulyanov AlekseyScore: 5,492Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 20, 2023 11:07	5,418	40,966,787	17,337,000	0	430,080
2	Jun 19, 2023 22:17	5,457	39,286,403	16,434,000	1,027,000	2,289,664
3	Jun 20, 2023 11:07	5,460	41,817,587	16,445,000	1,027,000	2,289,664
4	Jun 20, 2023 11:07	5,462	34,491,544	16,450,000	1,028,000	2,289,664
5	Jun 20, 2023 11:07	5,468	34,385,127	17,497,000	0	2,273,280
6	Jun 19, 2023 22:17	5,468	38,837,977	16,469,000	1,029,000	2,277,376
7	Jun 19, 2023 22:17	5,468	43,135,336	17,497,000	0	2,273,280
8	Jun 20, 2023 11:07	5,471	40,297,799	16,479,000	1,029,000	2,289,664
9	Jun 20, 2023 11:07	5,473	38,783,498	17,513,000	0	2,289,664
10	Jun 19, 2023 22:17	5,475	42,441,352	17,520,000	0	2,277,376
11	Jun 20, 2023 11:07	5,476	38,805,800	16,494,000	1,030,000	2,289,664
12	Jun 19, 2023 22:17	5,481	44,199,352	16,509,000	1,031,000	2,273,280
13	Jun 20, 2023 11:07	5,484	39,091,042	16,517,000	1,032,000	2,273,280
14	Jun 20, 2023 11:07	5,485	39,656,066	16,521,000	1,032,000	2,289,664
15	Jun 20, 2023 11:07	5,487	39,132,335	17,559,000	0	2,289,664
16	Jun 19, 2023 22:17	5,487	42,510,295	17,559,000	0	2,289,664
17	Jun 19, 2023 22:17	5,488	39,115,592	16,528,000	1,033,000	2,273,280
18	Jun 20, 2023 11:07	5,492	43,684,925	16,540,000	1,033,000	2,289,664
19	Jun 19, 2023 22:17	5,492	36,941,841	16,541,000	1,033,000	2,289,664
20	Jun 20, 2023 11:07	5,493	38,566,303	16,545,000	1,034,000	2,277,376
21	Jun 20, 2023 11:07	5,495	34,609,329	16,550,000	1,034,000	2,273,280
22	Jun 19, 2023 22:17	5,501	42,102,141	16,569,000	1,035,000	2,265,088
23	Jun 20, 2023 11:07	5,503	44,039,200	16,575,000	1,035,000	2,289,664
24	Jun 20, 2023 11:07	5,511	46,212,576	17,636,000	0	2,289,664
25	Jun 20, 2023 11:07	5,516	43,763,420	16,612,000	1,038,000	2,531,328
26	Jun 20, 2023 11:07	5,517	44,746,134	16,616,000	1,038,000	2,289,664
27	Jun 20, 2023 11:07	5,522	45,257,902	16,630,000	1,039,000	2,289,664
28	Jun 20, 2023 11:07	5,632	88,547,144	18,022,280	0	2,297,856
29	Jun 20, 2023 11:07	5,661	80,387,463	18,116,763	0	2,297,856
30	Jun 20, 2023 11:07	5,662	81,037,328	18,118,267	0	2,293,760
31	Jun 20, 2023 11:07	5,665	72,182,398	18,129,398	0	2,297,856
32	Jun 20, 2023 11:07	5,676	72,199,935	18,162,585	0	2,289,664
33	Jun 19, 2023 22:17	5,678	84,128,210	18,169,781	0	2,297,856
34	Jun 19, 2023 22:17	5,682	104,011,691	18,180,815	0	2,293,760
35	Jun 19, 2023 22:17	5,689	85,465,709	18,205,828	0	2,289,664
36	Jun 20, 2023 11:07	5,691	54,448,738	18,210,341	0	2,301,952

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