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 19:34

Yuriy Lyfenko

Score: 5,353

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 17, 2021 19:34	5,327	1,036,371,198	17,046,000	0	2,527,232
2	May 17, 2021 19:33	5,330	66,966,300	15,050,000	2,006,000	2,265,088
3	May 17, 2021 19:34	5,337	2,548,589,427	16,129,000	948,000	2,265,088
4	May 17, 2021 19:33	5,339	2,543,084,880	17,086,000	0	2,269,184
5	May 17, 2021 19:34	5,339	183,051,278	16,081,000	1,005,000	2,269,184
6	May 17, 2021 19:33	5,340	1,880,136,260	15,077,000	2,010,000	2,269,184
7	May 17, 2021 19:34	5,340	311,146,423	16,084,000	1,005,000	2,265,088
8	May 17, 2021 19:34	5,343	2,838,066,946	16,093,000	1,005,000	2,260,992
9	May 17, 2021 19:34	5,344	2,486,027,578	16,095,000	1,005,000	2,523,136
10	May 17, 2021 19:33	5,344	1,056,183,571	13,301,000	3,800,000	2,523,136
11	May 17, 2021 19:34	5,345	1,570,745,677	16,097,000	1,006,000	2,265,088
12	May 17, 2021 19:33	5,345	2,819,952,450	15,203,000	1,900,000	2,523,136
13	May 17, 2021 19:33	5,351	716,022,568	16,115,000	1,007,000	2,265,088
14	May 17, 2021 19:34	5,351	403,866,205	16,173,000	951,000	2,396,160
15	May 17, 2021 19:33	5,352	2,944,919,593	15,112,000	2,014,000	2,265,088
16	May 17, 2021 19:34	5,352	3,015,253,966	15,111,000	2,014,000	2,265,088
17	May 17, 2021 19:33	5,352	259,409,812	16,119,000	1,007,000	2,400,256
18	May 17, 2021 19:34	5,353	1,383,447,354	16,124,000	1,007,000	2,265,088
19	May 17, 2021 19:34	5,353	1,328,499,282	14,275,000	2,855,000	2,260,992
20	May 17, 2021 19:34	5,353	707,615,244	17,131,000	0	2,527,232
21	May 17, 2021 19:34	5,355	937,287,928	17,135,000	0	2,269,184
22	May 17, 2021 19:34	5,356	1,730,962,869	15,236,000	1,904,000	2,265,088
23	May 17, 2021 19:34	5,357	760,012,083	17,143,000	0	2,265,088
24	May 17, 2021 19:34	5,358	711,287,128	17,144,000	0	2,265,088
25	May 17, 2021 19:33	5,358	2,728,782,803	16,195,000	952,000	2,265,088
26	May 17, 2021 19:34	5,358	1,153,119,827	14,119,000	3,025,000	2,523,136
27	May 17, 2021 19:34	5,359	2,569,097,679	16,141,000	1,008,000	2,265,088
28	May 17, 2021 19:34	5,535	134,602,556	17,713,001	0	2,277,376
29	May 17, 2021 19:33	5,539	863,252,071	17,726,268	0	2,277,376
30	May 17, 2021 19:33	5,543	1,741,000,029	17,738,721	0	2,281,472
31	May 17, 2021 19:34	5,543	2,930,382,959	17,738,781	0	2,281,472
32	May 17, 2021 19:34	5,550	1,299,372,018	17,759,431	0	2,277,376
33	May 17, 2021 19:34	5,553	398,579,994	17,768,433	0	2,277,376
34	May 17, 2021 19:34	5,553	2,149,619,491	17,768,300	0	2,281,472
35	May 17, 2021 19:33	5,556	283,653,078	17,777,950	0	2,281,472
36	May 17, 2021 19:34	5,558	919,351,138	17,785,108	0	2,277,376

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