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 17, 2021 21:18

Yuriy Lyfenko

Score: 5,278

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 17, 2021 21:18	5,223	259,843,783	14,749,000	1,966,000	2,527,232
2	May 17, 2021 21:18	5,232	2,613,212,218	15,759,000	984,000	2,523,136
3	May 17, 2021 21:18	5,236	2,772,025,304	15,771,000	985,000	2,523,136
4	May 17, 2021 21:18	5,243	1,744,323,264	14,804,000	1,973,000	2,260,992
5	May 17, 2021 21:18	5,245	2,076,715,412	13,637,000	3,147,000	2,260,992
6	May 17, 2021 21:18	5,247	141,768,975	14,814,000	1,975,000	2,519,040
7	May 17, 2021 21:18	5,249	1,700,734,891	14,821,000	1,976,000	2,260,992
8	May 17, 2021 21:18	5,249	233,814,773	14,820,000	1,976,000	2,265,088
9	May 17, 2021 21:18	5,251	810,886,035	15,815,000	988,000	2,392,064
10	May 17, 2021 21:18	5,255	818,276,838	14,837,000	1,978,000	2,260,992
11	May 17, 2021 21:18	5,258	1,068,768,679	15,836,000	989,000	2,523,136
12	May 17, 2021 21:18	5,259	991,487,078	16,829,000	0	2,265,088
13	May 17, 2021 21:18	5,261	434,781,805	16,836,000	0	2,523,136
14	May 17, 2021 21:18	5,265	1,803,910,521	13,875,000	2,973,000	2,260,992
15	May 17, 2021 21:18	5,268	1,312,369,080	14,876,000	1,983,000	2,519,040
16	May 17, 2021 21:18	5,275	1,441,294,898	14,894,000	1,985,000	2,527,232
17	May 17, 2021 21:18	5,275	521,388,241	14,894,000	1,985,000	2,265,088
18	May 17, 2021 21:18	5,278	651,263,038	15,950,000	938,000	2,260,992
19	May 17, 2021 21:18	5,278	915,596,870	14,902,000	1,986,000	2,519,040
20	May 17, 2021 21:18	5,278	775,115,764	14,904,000	1,987,000	2,265,088
21	May 17, 2021 21:18	5,283	2,228,680,681	13,922,000	2,983,000	2,519,040
22	May 17, 2021 21:18	5,283	1,929,684,493	15,913,000	994,000	2,260,992
23	May 17, 2021 21:18	5,285	2,582,764,569	14,922,000	1,989,000	2,523,136
24	May 17, 2021 21:18	5,295	1,135,299,412	14,950,000	1,993,000	2,523,136
25	May 17, 2021 21:18	5,295	2,438,403,996	14,950,000	1,993,000	2,265,088
26	May 17, 2021 21:18	5,296	1,113,180,590	15,064,000	1,883,000	2,265,088
27	May 17, 2021 21:18	5,305	336,538,165	13,980,000	2,995,000	2,523,136
28	May 17, 2021 21:18	5,401	972,222,570	17,283,370	0	2,281,472
29	May 17, 2021 21:18	5,407	812,797,979	17,301,313	0	2,281,472
30	May 17, 2021 21:18	5,410	271,446,512	17,310,601	0	2,285,568
31	May 17, 2021 21:18	5,412	2,666,903,969	17,317,254	0	2,281,472
32	May 17, 2021 21:18	5,420	1,884,914,620	17,343,747	0	2,281,472
33	May 17, 2021 21:18	5,435	619,198,211	17,391,156	0	2,281,472
34	May 17, 2021 21:18	5,443	2,579,410,368	17,419,120	0	2,281,472
35	May 17, 2021 21:18	5,447	184,248,966	17,431,399	0	2,281,472
36	May 17, 2021 21:18	5,449	2,057,267,855	17,437,452	0	2,281,472

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