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 listMay 16, 2021 22:37

Yuriy Lyfenko

Score: 5,402

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 22:36	5,355	648,375,448	16,128,000	1,008,000	2,396,160
2	May 16, 2021 22:36	5,360	701,623,687	15,247,000	1,905,000	2,265,088
3	May 16, 2021 22:37	5,361	2,141,350,019	14,295,000	2,859,000	2,260,992
4	May 16, 2021 22:36	5,364	1,465,468,685	16,156,000	1,009,000	2,527,232
5	May 16, 2021 22:36	5,366	113,783,395	16,161,000	1,010,000	2,265,088
6	May 16, 2021 22:36	5,367	2,771,429,938	14,313,000	2,862,000	2,523,136
7	May 16, 2021 22:37	5,377	236,996,178	15,183,000	2,024,000	2,269,184
8	May 16, 2021 22:36	5,378	2,628,676,274	16,199,000	1,012,000	2,269,184
9	May 16, 2021 22:36	5,380	1,710,391,137	16,204,000	1,012,000	2,265,088
10	May 16, 2021 22:36	5,381	459,207,850	16,207,000	1,012,000	2,519,040
11	May 16, 2021 22:36	5,382	4,841,677,325	16,208,000	1,013,000	2,519,040
12	May 16, 2021 22:37	5,382	1,371,965,790	16,266,000	956,000	2,523,136
13	May 16, 2021 22:36	5,384	1,001,001,490	16,272,000	957,000	2,523,136
14	May 16, 2021 22:37	5,390	3,657,160,966	15,332,000	1,916,000	2,523,136
15	May 16, 2021 22:37	5,393	2,394,204,975	15,340,000	1,917,000	2,260,992
16	May 16, 2021 22:36	5,394	3,080,452,332	15,231,000	2,030,000	2,265,088
17	May 16, 2021 22:36	5,401	1,978,333,374	15,250,000	2,033,000	2,260,992
18	May 16, 2021 22:36	5,401	1,383,279,127	15,364,000	1,920,000	2,523,136
19	May 16, 2021 22:36	5,402	4,308,329,540	15,366,000	1,920,000	2,285,568
20	May 16, 2021 22:36	5,402	3,024,441,518	16,270,000	1,016,000	2,392,064
21	May 16, 2021 22:37	5,403	4,052,124,287	15,370,000	1,921,000	2,523,136
22	May 16, 2021 22:37	5,403	4,955,666,926	17,289,000	0	2,523,136
23	May 16, 2021 22:37	5,405	1,863,211,315	17,296,000	0	2,383,872
24	May 16, 2021 22:37	5,408	4,721,759,921	16,288,000	1,018,000	2,523,136
25	May 16, 2021 22:36	5,416	3,448,003,994	16,369,000	962,000	2,523,136
26	May 16, 2021 22:36	5,420	3,627,295,366	16,381,000	963,000	2,527,232
27	May 16, 2021 22:36	5,423	3,910,584,035	16,389,000	964,000	2,523,136
28	May 16, 2021 22:37	5,595	2,443,624,551	17,902,525	0	2,273,280
29	May 16, 2021 22:36	5,600	765,376,650	17,919,475	0	2,277,376
30	May 16, 2021 22:36	5,602	943,560,928	17,927,092	0	2,285,568
31	May 16, 2021 22:37	5,603	1,004,721,524	17,930,145	0	2,285,568
32	May 16, 2021 22:36	5,607	2,201,732,991	17,943,909	0	2,285,568
33	May 16, 2021 22:37	5,616	2,683,356,089	17,972,499	0	2,277,376
34	May 16, 2021 22:36	5,619	522,666,337	17,980,869	0	2,281,472
35	May 16, 2021 22:36	5,625	3,091,025,541	18,000,763	0	2,281,472
36	May 16, 2021 22:36	5,643	3,495,434,702	18,059,195	0	2,281,472

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