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 listJun 7, 2023 06:45

Alexander Monakov

Score: 4,597

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 7, 2023 06:44	4,561	241,826,372	13,622,000	973,000	2,494,464
2	Jun 7, 2023 06:44	4,563	244,242,038	13,628,000	973,000	2,502,656
3	Jun 7, 2023 06:44	4,566	241,815,744	13,636,000	974,000	2,502,656
4	Jun 7, 2023 06:45	4,568	238,611,629	13,644,000	974,000	2,502,656
5	Jun 7, 2023 06:44	4,572	238,173,603	13,654,000	975,000	2,535,424
6	Jun 7, 2023 06:44	4,572	249,462,290	13,656,000	975,000	2,535,424
7	Jun 7, 2023 06:44	4,574	241,307,077	13,663,000	975,000	2,310,144
8	Jun 7, 2023 06:44	4,578	236,455,349	13,602,000	1,046,000	2,498,560
9	Jun 7, 2023 06:44	4,578	238,689,776	13,673,000	976,000	2,535,424
10	Jun 7, 2023 06:44	4,580	241,439,998	13,679,000	977,000	2,490,368
11	Jun 7, 2023 06:44	4,580	238,127,521	13,609,000	1,046,000	2,310,144
12	Jun 7, 2023 06:44	4,581	238,251,971	13,681,000	977,000	2,502,656
13	Jun 7, 2023 06:44	4,582	236,718,568	12,707,000	1,954,000	2,506,752
14	Jun 7, 2023 06:44	4,582	241,229,411	13,684,000	977,000	2,494,464
15	Jun 7, 2023 06:44	4,585	234,382,313	13,693,000	978,000	2,502,656
16	Jun 7, 2023 06:44	4,587	239,565,821	13,699,000	978,000	2,502,656
17	Jun 7, 2023 06:44	4,588	238,289,575	13,704,000	978,000	2,535,424
18	Jun 7, 2023 06:45	4,589	235,026,439	14,686,000	0	2,535,424
19	Jun 7, 2023 06:45	4,590	236,216,025	14,687,000	0	2,498,560
20	Jun 7, 2023 06:44	4,592	235,318,430	13,714,000	979,000	2,535,424
21	Jun 7, 2023 06:44	4,593	236,133,461	14,699,000	0	2,535,424
22	Jun 7, 2023 06:45	4,595	236,260,835	13,723,000	980,000	2,490,368
23	Jun 7, 2023 06:44	4,595	235,611,076	13,725,000	980,000	2,494,464
24	Jun 7, 2023 06:45	4,597	238,679,819	13,731,000	980,000	2,502,656
25	Jun 7, 2023 06:44	4,597	239,915,425	13,729,000	980,000	2,506,752
26	Jun 7, 2023 06:45	4,598	240,131,184	14,713,000	0	2,502,656
27	Jun 7, 2023 06:44	4,598	236,209,084	13,732,000	980,000	2,535,424
28	Jun 7, 2023 06:44	4,599	241,462,132	13,736,000	981,000	2,498,560
29	Jun 7, 2023 06:44	4,600	238,074,604	13,670,000	1,051,000	2,490,368
30	Jun 7, 2023 06:45	4,602	239,151,960	14,727,000	0	2,310,144
31	Jun 7, 2023 06:44	4,603	239,133,272	14,728,000	0	2,535,424
32	Jun 7, 2023 06:44	4,604	245,663,316	14,732,000	0	2,535,424
33	Jun 7, 2023 06:45	4,605	246,483,536	13,755,000	982,000	2,506,752
34	Jun 7, 2023 06:44	4,606	233,037,468	13,687,000	1,052,000	2,310,144
35	Jun 7, 2023 06:45	4,627	242,622,966	14,806,000	0	2,502,656
36	Jun 7, 2023 06:44	4,639	238,205,078	13,785,000	1,060,000	2,494,464
37	Jun 7, 2023 06:44	4,792	301,507,092	15,333,631	0	2,375,680
38	Jun 7, 2023 06:44	4,809	283,345,922	15,387,627	0	2,351,104
39	Jun 7, 2023 06:44	4,813	271,034,293	15,400,773	0	2,363,392
40	Jun 7, 2023 06:45	4,818	272,326,158	15,417,212	0	2,392,064
41	Jun 7, 2023 06:45	4,819	273,173,335	15,420,125	0	2,387,968
42	Jun 7, 2023 06:44	4,820	285,268,954	15,423,329	0	2,355,200
43	Jun 7, 2023 06:44	4,826	274,369,620	15,444,127	0	2,375,680
44	Jun 7, 2023 06:44	4,829	267,860,364	15,452,129	0	2,363,392
45	Jun 7, 2023 06:45	4,830	279,465,551	15,457,281	0	2,363,392
46	Jun 7, 2023 06:44	4,850	280,922,817	15,520,080	0	2,363,392
47	Jun 7, 2023 06:44	4,854	287,652,052	15,532,473	0	2,355,200
48	Jun 7, 2023 06:44	4,892	279,706,156	15,654,777	0	2,363,392

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