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 24, 2021 06:01

Andrei Grazhdankov

Score: 6,009

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 24, 2021 06:01	5,967	35,293,050	16,080,000	3,015,000	2,527,232
2	May 24, 2021 06:02	5,970	42,594,077	16,089,000	3,016,000	2,334,720
3	May 24, 2021 06:02	5,974	42,362,251	17,104,000	2,012,000	2,334,720
4	May 24, 2021 06:02	5,977	47,881,891	16,106,000	3,019,000	2,334,720
5	May 24, 2021 06:02	5,979	50,083,210	16,113,000	3,021,000	2,334,720
6	May 24, 2021 06:01	5,986	35,060,520	17,140,000	2,016,000	2,334,720
7	May 24, 2021 06:02	5,988	33,235,278	17,146,000	2,017,000	2,334,720
8	May 24, 2021 06:02	5,990	47,651,668	17,152,000	2,017,000	2,334,720
9	May 24, 2021 06:01	5,991	38,491,110	17,041,000	2,130,000	2,527,232
10	May 24, 2021 06:02	5,993	41,577,402	17,160,000	2,018,000	2,527,232
11	May 24, 2021 06:02	5,996	45,322,256	16,159,000	3,029,000	2,379,776
12	May 24, 2021 06:02	5,996	45,298,128	16,158,000	3,029,000	2,334,720
13	May 24, 2021 06:02	5,996	44,965,439	17,169,000	2,019,000	2,334,720
14	May 24, 2021 06:02	5,996	44,370,486	17,167,000	2,019,000	2,523,136
15	May 24, 2021 06:01	5,998	33,361,786	16,162,000	3,030,000	2,334,720
16	May 24, 2021 06:01	5,998	45,377,595	16,164,000	3,030,000	2,514,944
17	May 24, 2021 06:02	6,001	43,638,536	18,192,000	1,010,000	2,334,720
18	May 24, 2021 06:01	6,002	44,735,626	17,186,000	2,021,000	2,334,720
19	May 24, 2021 06:02	6,009	41,869,913	17,205,000	2,024,000	2,334,720
20	May 24, 2021 06:02	6,011	39,054,982	16,198,000	3,037,000	2,531,328
21	May 24, 2021 06:02	6,014	48,405,712	17,220,000	2,025,000	2,527,232
22	May 24, 2021 06:02	6,015	41,966,725	16,209,000	3,039,000	2,334,720
23	May 24, 2021 06:02	6,016	37,452,569	16,211,000	3,039,000	2,334,720
24	May 24, 2021 06:02	6,022	102,266,920	19,271,626	0	2,240,512
25	May 24, 2021 06:01	6,027	42,055,771	16,241,000	3,045,000	2,334,720
26	May 24, 2021 06:02	6,028	42,984,291	16,244,000	3,045,000	2,314,240
27	May 24, 2021 06:01	6,029	37,007,755	17,263,000	2,031,000	2,334,720
28	May 24, 2021 06:01	6,040	40,186,158	16,276,000	3,051,000	2,523,136
29	May 24, 2021 06:02	6,040	74,666,522	19,327,969	0	2,228,224
30	May 24, 2021 06:02	6,089	86,469,849	19,486,166	0	2,232,320
31	May 24, 2021 06:01	6,090	96,283,752	19,487,645	0	2,228,224
32	May 24, 2021 06:01	6,097	84,991,597	19,510,124	0	2,236,416
33	May 24, 2021 06:01	6,105	88,579,210	19,534,425	0	2,228,224
34	May 24, 2021 06:02	6,110	98,434,327	19,552,441	0	2,232,320
35	May 24, 2021 06:02	6,126	56,516,402	19,601,952	0	2,236,416
36	May 24, 2021 06:02	6,189	82,990,991	19,803,389	0	2,232,320

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