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 28, 2021 14:34

Yuriy Lyfenko

Score: 5,043

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 28, 2021 14:33	5,015	32,852,938	15,045,000	1,003,000	2,510,848
2	May 28, 2021 14:33	5,017	42,984,097	14,048,000	2,006,000	2,392,064
3	May 28, 2021 14:33	5,018	39,661,153	14,052,000	2,007,000	2,506,752
4	May 28, 2021 14:34	5,019	40,475,464	15,059,000	1,003,000	2,392,064
5	May 28, 2021 07:29	5,019	42,026,614	15,059,000	1,003,000	2,265,088
6	May 28, 2021 07:29	5,021	40,209,165	14,060,000	2,008,000	2,265,088
7	May 28, 2021 07:29	5,021	43,862,691	15,064,000	1,004,000	2,265,088
8	May 28, 2021 14:34	5,021	41,274,224	14,059,000	2,008,000	2,392,064
9	May 28, 2021 14:34	5,021	50,904,076	14,059,000	2,008,000	2,265,088
10	May 28, 2021 14:33	5,026	34,098,682	14,073,000	2,010,000	2,265,088
11	May 28, 2021 14:33	5,026	33,560,412	14,072,000	2,010,000	2,396,160
12	May 28, 2021 07:29	5,028	40,749,339	15,084,000	1,005,000	2,265,088
13	May 28, 2021 14:34	5,033	41,403,863	15,098,000	1,006,000	2,392,064
14	May 28, 2021 07:29	5,034	42,290,645	14,096,000	2,013,000	2,265,088
15	May 28, 2021 14:33	5,037	42,277,909	15,110,000	1,007,000	2,265,088
16	May 28, 2021 07:29	5,038	39,855,290	15,113,000	1,007,000	2,265,088
17	May 28, 2021 14:33	5,040	42,449,605	15,120,000	1,008,000	2,527,232
18	May 28, 2021 14:34	5,041	48,008,500	14,114,000	2,016,000	2,387,968
19	May 28, 2021 14:33	5,043	42,744,206	15,129,000	1,008,000	2,396,160
20	May 28, 2021 14:34	5,043	45,691,789	14,121,000	2,017,000	2,392,064
21	May 28, 2021 14:34	5,043	40,730,130	15,129,000	1,008,000	2,387,968
22	May 28, 2021 07:29	5,046	46,154,520	15,138,000	1,009,000	2,527,232
23	May 28, 2021 07:29	5,052	44,064,768	15,155,000	1,010,000	2,527,232
24	May 28, 2021 14:34	5,059	40,619,790	15,179,000	1,011,000	2,392,064
25	May 28, 2021 14:33	5,061	36,004,621	15,184,000	1,012,000	2,265,088
26	May 28, 2021 07:29	5,063	44,793,786	15,191,000	1,012,000	2,265,088
27	May 28, 2021 14:34	5,066	43,690,352	14,186,000	2,026,000	2,527,232
28	May 28, 2021 14:33	5,206	56,000,338	16,660,337	0	2,277,376
29	May 28, 2021 14:34	5,213	48,482,191	16,680,021	0	2,285,568
30	May 28, 2021 14:33	5,219	68,603,158	16,700,638	0	2,285,568
31	May 28, 2021 07:29	5,245	41,829,095	16,784,305	0	2,277,376
32	May 28, 2021 07:29	5,256	62,402,671	16,820,698	0	2,277,376
33	May 28, 2021 07:29	5,263	78,654,206	16,841,878	0	2,273,280
34	May 28, 2021 14:33	5,271	51,763,982	16,867,148	0	2,265,088
35	May 28, 2021 14:34	5,280	88,236,434	16,896,609	0	2,277,376
36	May 28, 2021 14:34	5,282	55,220,960	16,903,442	0	2,285,568

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