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 31, 2024 21:26

Yuriy Lyfenko

Score: 4,403

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 31, 2024 21:26	4,363	538,296,313	11,969,000	1,994,000	2,273,280
2	Aug 31, 2024 21:27	4,368	536,510,992	11,982,000	1,997,000	2,273,280
3	Aug 31, 2024 21:26	4,383	531,551,238	12,021,000	2,003,000	2,269,184
4	Aug 31, 2024 21:26	4,384	535,657,036	12,026,000	2,004,000	2,535,424
5	Aug 31, 2024 21:26	4,386	534,904,851	12,031,000	2,005,000	2,535,424
6	Aug 31, 2024 21:26	4,390	538,408,044	12,042,000	2,007,000	2,531,328
7	Aug 31, 2024 21:26	4,391	533,283,770	12,044,000	2,007,000	2,269,184
8	Aug 31, 2024 21:27	4,393	537,885,752	12,050,000	2,008,000	2,535,424
9	Aug 31, 2024 21:26	4,393	534,362,902	13,053,000	1,004,000	2,453,504
10	Aug 31, 2024 21:27	4,394	546,204,795	12,052,000	2,008,000	2,449,408
11	Aug 31, 2024 21:27	4,396	540,411,292	12,057,000	2,009,000	2,531,328
12	Aug 31, 2024 21:27	4,397	537,328,468	12,061,000	2,010,000	2,269,184
13	Aug 31, 2024 21:26	4,397	533,546,630	12,061,000	2,010,000	2,273,280
14	Aug 31, 2024 21:26	4,398	536,771,746	12,062,000	2,010,000	2,535,424
15	Aug 31, 2024 21:26	4,400	541,266,988	12,069,000	2,011,000	2,531,328
16	Aug 31, 2024 21:26	4,400	536,506,645	12,070,000	2,011,000	2,535,424
17	Aug 31, 2024 21:27	4,400	537,703,546	12,069,000	2,011,000	2,273,280
18	Aug 31, 2024 21:26	4,401	537,828,106	12,071,000	2,011,000	2,535,424
19	Aug 31, 2024 21:26	4,403	537,135,436	12,077,000	2,012,000	2,273,280
20	Aug 31, 2024 21:27	4,404	538,374,969	12,080,000	2,013,000	2,441,216
21	Aug 31, 2024 21:27	4,404	536,897,361	12,079,000	2,013,000	2,535,424
22	Aug 31, 2024 21:26	4,404	536,158,133	12,080,000	2,013,000	2,531,328
23	Aug 31, 2024 21:27	4,406	538,393,895	12,085,000	2,014,000	2,273,280
24	Aug 31, 2024 21:27	4,408	536,883,917	12,090,000	2,015,000	2,273,280
25	Aug 31, 2024 21:26	4,408	534,127,557	12,092,000	2,015,000	2,535,424
26	Aug 31, 2024 21:26	4,408	534,501,649	12,091,000	2,015,000	2,531,328
27	Aug 31, 2024 21:26	4,409	536,300,443	12,094,000	2,015,000	2,273,280
28	Aug 31, 2024 21:26	4,410	535,285,041	12,096,000	2,016,000	2,535,424
29	Aug 31, 2024 21:26	4,410	533,614,516	12,096,000	2,016,000	2,535,424
30	Aug 31, 2024 21:26	4,412	542,603,758	12,101,000	2,016,000	2,535,424
31	Aug 31, 2024 21:26	4,413	532,721,866	12,104,000	2,017,000	2,535,424
32	Aug 31, 2024 21:27	4,415	542,557,058	12,109,000	2,018,000	2,273,280
33	Aug 31, 2024 21:26	4,415	540,311,059	12,110,000	2,018,000	2,273,280
34	Aug 31, 2024 21:26	4,420	537,819,445	12,123,000	2,020,000	2,535,424
35	Aug 31, 2024 21:26	4,425	534,811,571	13,148,000	1,011,000	2,535,424
36	Aug 31, 2024 21:27	4,433	535,404,849	12,160,000	2,026,000	2,453,504

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