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 listAug 28, 2023 17:54

Ilya Aniskovets

Score: 5,290

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 28, 2023 17:53	5,233	45,110,495	15,699,000	1,046,000	2,265,088
2	Aug 28, 2023 17:52	5,258	43,308,500	15,837,000	989,000	2,265,088
3	Aug 28, 2023 17:53	5,267	39,296,240	14,871,000	1,982,000	2,265,088
4	Aug 28, 2023 17:53	5,270	47,492,611	16,865,000	0	2,265,088
5	Aug 28, 2023 17:52	5,274	45,089,393	15,885,000	992,000	2,383,872
6	Aug 28, 2023 17:54	5,275	43,920,545	15,887,000	992,000	2,392,064
7	Aug 28, 2023 17:53	5,278	41,971,056	15,898,000	993,000	2,265,088
8	Aug 28, 2023 17:52	5,278	48,733,306	15,897,000	993,000	2,396,160
9	Aug 28, 2023 17:53	5,278	30,417,043	14,903,000	1,987,000	2,383,872
10	Aug 28, 2023 17:52	5,279	38,187,431	14,905,000	1,987,000	2,265,088
11	Aug 28, 2023 17:54	5,279	37,527,920	14,906,000	1,987,000	2,392,064
12	Aug 28, 2023 17:54	5,279	33,255,477	15,900,000	993,000	2,265,088
13	Aug 28, 2023 17:52	5,280	39,735,874	15,902,000	993,000	2,383,872
14	Aug 28, 2023 17:53	5,281	31,284,495	14,910,000	1,988,000	2,506,752
15	Aug 28, 2023 17:54	5,282	41,755,863	14,915,000	1,988,000	2,387,968
16	Aug 28, 2023 17:52	5,283	43,764,368	15,913,000	994,000	2,265,088
17	Aug 28, 2023 17:53	5,284	36,648,190	14,920,000	1,989,000	2,527,232
18	Aug 28, 2023 17:54	5,285	41,949,177	14,923,000	1,989,000	2,265,088
19	Aug 28, 2023 17:54	5,290	41,554,625	14,938,000	1,991,000	2,396,160
20	Aug 28, 2023 17:53	5,294	46,155,203	14,949,000	1,993,000	2,392,064
21	Aug 28, 2023 17:54	5,301	46,375,178	14,968,000	1,995,000	2,265,088
22	Aug 28, 2023 17:52	5,302	42,853,567	14,970,000	1,996,000	2,265,088
23	Aug 28, 2023 17:54	5,305	44,049,664	14,979,000	1,997,000	2,392,064
24	Aug 28, 2023 17:52	5,308	41,848,499	15,985,000	999,000	2,527,232
25	Aug 28, 2023 17:52	5,311	44,816,830	15,995,000	999,000	2,387,968
26	Aug 28, 2023 17:54	5,326	40,646,802	15,038,000	2,005,000	2,265,088
27	Aug 28, 2023 17:53	5,335	33,873,121	15,065,000	2,008,000	2,387,968
28	Aug 28, 2023 17:53	5,478	83,079,368	17,531,159	0	2,281,472
29	Aug 28, 2023 17:53	5,487	68,498,993	17,557,167	0	2,273,280
30	Aug 28, 2023 17:52	5,496	88,633,499	17,587,631	0	2,277,376
31	Aug 28, 2023 17:52	5,497	89,909,036	17,589,743	0	2,273,280
32	Aug 28, 2023 17:54	5,505	75,069,455	17,615,557	0	2,285,568
33	Aug 28, 2023 17:52	5,512	80,503,634	17,639,783	0	2,285,568
34	Aug 28, 2023 17:54	5,513	110,838,060	17,640,588	0	2,273,280
35	Aug 28, 2023 17:53	5,514	60,972,062	17,644,419	0	2,281,472
36	Aug 28, 2023 17:54	5,532	61,735,350	17,701,821	0	2,285,568

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