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 19, 2023 22:12

Ulyanov Aleksey

Score: 5,509

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 19, 2023 22:11	5,460	37,171,937	16,445,000	1,027,000	2,273,280
2	Jun 19, 2023 22:11	5,462	37,900,185	16,449,000	1,028,000	2,289,664
3	Jun 19, 2023 22:11	5,464	44,331,840	17,486,000	0	2,289,664
4	Jun 19, 2023 22:11	5,464	40,625,829	16,456,000	1,028,000	2,531,328
5	Jun 19, 2023 22:12	5,472	38,350,008	16,480,000	1,030,000	2,289,664
6	Jun 19, 2023 22:11	5,475	42,960,330	16,489,000	1,030,000	2,527,232
7	Jun 19, 2023 22:12	5,476	42,787,367	17,523,000	0	2,289,664
8	Jun 19, 2023 22:11	5,476	39,115,940	16,492,000	1,030,000	2,289,664
9	Jun 19, 2023 22:11	5,476	45,485,149	16,492,000	1,030,000	2,289,664
10	Jun 19, 2023 22:11	5,479	39,240,198	16,503,000	1,031,000	2,277,376
11	Jun 19, 2023 22:11	5,481	36,955,428	17,538,000	0	2,289,664
12	Jun 19, 2023 22:11	5,495	42,123,693	16,551,000	1,034,000	2,289,664
13	Jun 19, 2023 22:11	5,495	45,943,853	17,585,000	0	2,289,664
14	Jun 19, 2023 22:11	5,496	43,337,411	16,553,000	1,034,000	2,289,664
15	Jun 19, 2023 22:11	5,499	44,144,910	16,562,000	1,035,000	2,289,664
16	Jun 19, 2023 22:12	5,501	46,376,215	17,603,000	0	2,277,376
17	Jun 19, 2023 22:11	5,505	36,092,678	17,615,000	0	2,269,184
18	Jun 19, 2023 22:12	5,508	43,155,594	16,589,000	1,036,000	2,527,232
19	Jun 19, 2023 22:12	5,509	50,158,614	16,592,000	1,037,000	2,277,376
20	Jun 19, 2023 22:12	5,511	38,070,781	16,599,000	1,037,000	2,289,664
21	Jun 19, 2023 22:11	5,517	49,506,653	16,617,000	1,038,000	2,289,664
22	Jun 19, 2023 22:11	5,520	48,547,499	16,626,000	1,039,000	2,289,664
23	Jun 19, 2023 22:12	5,521	43,519,665	16,628,000	1,039,000	2,265,088
24	Jun 19, 2023 22:11	5,523	44,381,177	16,636,000	1,039,000	2,289,664
25	Jun 19, 2023 22:12	5,524	35,238,895	16,639,000	1,039,000	2,289,664
26	Jun 19, 2023 22:12	5,529	48,916,033	16,652,000	1,040,000	2,289,664
27	Jun 19, 2023 22:11	5,538	35,362,281	16,679,000	1,042,000	2,363,392
28	Jun 19, 2023 22:12	5,667	80,766,602	18,133,313	0	2,293,760
29	Jun 19, 2023 22:11	5,668	81,512,691	18,137,054	0	2,301,952
30	Jun 19, 2023 22:12	5,672	104,494,415	18,149,122	0	2,293,760
31	Jun 19, 2023 22:11	5,677	80,088,069	18,166,174	0	2,289,664
32	Jun 19, 2023 22:11	5,684	82,811,343	18,188,423	0	2,293,760
33	Jun 19, 2023 22:11	5,688	80,968,942	18,200,697	0	2,297,856
34	Jun 19, 2023 22:12	5,696	87,839,238	18,228,219	0	2,297,856
35	Jun 19, 2023 22:11	5,710	99,498,185	18,272,778	0	2,293,760
36	Jun 19, 2023 22:11	5,720	66,986,030	18,304,206	0	2,297,856

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