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 19, 2021 22:53

alex3d

Score: 5,508

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 19, 2021 22:53	5,463	41,806,886	17,482,000	0	2,265,088
2	May 19, 2021 22:53	5,468	43,530,226	15,438,000	2,058,000	2,269,184
3	May 19, 2021 22:53	5,470	42,031,194	15,445,000	2,059,000	2,269,184
4	May 19, 2021 22:53	5,471	51,132,298	16,478,000	1,029,000	2,441,216
5	May 19, 2021 22:53	5,477	41,259,207	17,525,000	0	2,445,312
6	May 19, 2021 22:53	5,478	30,566,119	17,530,000	0	2,445,312
7	May 19, 2021 22:53	5,484	34,954,742	17,549,000	0	2,527,232
8	May 19, 2021 22:53	5,485	39,059,573	17,552,000	0	2,265,088
9	May 19, 2021 22:53	5,485	40,267,283	16,520,000	1,032,000	2,441,216
10	May 19, 2021 22:53	5,492	37,619,027	17,575,000	0	2,269,184
11	May 19, 2021 22:53	5,493	37,030,529	16,543,000	1,033,000	2,269,184
12	May 19, 2021 22:53	5,496	42,513,190	16,553,000	1,034,000	2,531,328
13	May 19, 2021 22:53	5,499	39,318,229	17,596,000	0	2,453,504
14	May 19, 2021 22:53	5,501	32,338,280	16,567,000	1,035,000	2,445,312
15	May 19, 2021 22:53	5,502	45,706,573	15,536,000	2,071,000	2,445,312
16	May 19, 2021 22:53	5,502	39,356,935	15,536,000	2,071,000	2,531,328
17	May 19, 2021 22:53	5,502	32,552,307	17,607,000	0	2,531,328
18	May 19, 2021 22:53	5,503	46,782,648	16,575,000	1,035,000	2,269,184
19	May 19, 2021 22:53	5,505	35,092,600	17,615,000	0	2,531,328
20	May 19, 2021 22:53	5,506	46,871,714	17,620,000	0	2,527,232
21	May 19, 2021 22:53	5,506	42,677,692	15,546,000	2,072,000	2,445,312
22	May 19, 2021 22:53	5,508	30,043,163	16,591,000	1,036,000	2,285,568
23	May 19, 2021 22:53	5,508	45,139,860	17,626,000	0	2,441,216
24	May 19, 2021 22:53	5,513	48,457,221	17,643,000	0	2,269,184
25	May 19, 2021 22:53	5,514	44,205,814	17,646,000	0	2,445,312
26	May 19, 2021 22:53	5,519	41,048,432	17,660,000	0	2,531,328
27	May 19, 2021 22:53	5,563	41,827,138	15,824,000	1,978,000	2,269,184
28	May 19, 2021 22:53	5,734	79,992,541	18,347,328	0	2,203,648
29	May 19, 2021 22:53	5,754	72,705,333	18,412,712	0	2,207,744
30	May 19, 2021 22:53	5,764	79,741,933	18,445,839	0	2,211,840
31	May 19, 2021 22:53	5,769	62,723,426	18,461,019	0	2,199,552
32	May 19, 2021 22:53	5,776	55,402,498	18,483,815	0	2,203,648
33	May 19, 2021 22:53	5,776	57,243,855	18,482,151	0	2,195,456
34	May 19, 2021 22:53	5,777	79,687,106	18,486,157	0	2,203,648
35	May 19, 2021 22:53	5,784	91,658,686	18,508,054	0	2,203,648
36	May 19, 2021 22:53	5,792	80,034,437	18,535,639	0	2,203,648
37	May 19, 2021 22:53	5,793	61,795,293	18,539,012	0	2,195,456
38	May 19, 2021 22:53	5,796	79,763,795	18,545,806	0	2,199,552
39	May 19, 2021 22:53	5,805	85,380,551	18,576,277	0	2,195,456
40	May 19, 2021 22:53	5,839	92,616,501	18,684,893	0	2,203,648
41	May 19, 2021 22:53	5,843	91,167,256	18,696,364	0	2,195,456
42	May 19, 2021 22:53	5,845	71,747,048	18,704,197	0	2,195,456
43	May 19, 2021 22:53	5,845	92,509,581	18,704,998	0	2,203,648
44	May 19, 2021 22:53	5,857	81,017,190	18,743,353	0	2,203,648
45	May 19, 2021 22:53	5,872	84,068,019	18,790,591	0	2,203,648

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