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 listAug 3, 2024 18:21

jeffplaisance

Score: 4,402

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 3, 2024 18:21	4,374	35,860,891	12,998,000	999,000	2,277,376
2	Aug 3, 2024 18:20	4,374	29,537,458	12,998,000	999,000	2,494,464
3	Aug 3, 2024 18:20	4,377	31,091,507	13,007,000	1,000,000	2,277,376
4	Aug 3, 2024 18:21	4,378	36,466,160	13,010,000	1,000,000	2,277,376
5	Aug 3, 2024 18:21	4,378	27,524,220	13,010,000	1,000,000	2,277,376
6	Aug 3, 2024 18:21	4,382	36,573,063	13,022,000	1,001,000	2,277,376
7	Aug 3, 2024 18:21	4,382	29,268,224	13,022,000	1,001,000	2,277,376
8	Aug 3, 2024 18:21	4,383	35,641,721	13,025,000	1,001,000	2,277,376
9	Aug 3, 2024 19:35	4,385	32,991,605	13,031,000	1,002,000	2,498,560
10	Aug 3, 2024 18:20	4,387	28,518,685	13,035,000	1,002,000	2,277,376
11	Aug 3, 2024 19:35	4,387	29,637,526	13,036,000	1,002,000	2,498,560
12	Aug 3, 2024 18:21	4,388	40,398,704	13,038,000	1,002,000	2,277,376
13	Aug 3, 2024 19:35	4,389	39,517,003	13,041,000	1,003,000	2,502,656
14	Aug 3, 2024 18:20	4,391	30,406,116	13,049,000	1,003,000	2,494,464
15	Aug 3, 2024 18:21	4,392	31,606,470	12,046,000	2,007,000	2,498,560
16	Aug 3, 2024 18:21	4,393	32,076,972	13,052,000	1,004,000	2,277,376
17	Aug 3, 2024 18:21	4,395	35,832,449	13,059,000	1,004,000	2,494,464
18	Aug 3, 2024 19:35	4,395	40,015,828	13,061,000	1,004,000	2,277,376
19	Aug 3, 2024 19:35	4,395	28,073,261	13,061,000	1,004,000	2,277,376
20	Aug 3, 2024 18:20	4,397	27,954,649	13,066,000	1,005,000	2,277,376
21	Aug 3, 2024 18:20	4,398	31,622,770	13,069,000	1,005,000	2,498,560
22	Aug 3, 2024 19:35	4,399	27,792,458	13,071,000	1,005,000	2,273,280
23	Aug 3, 2024 18:21	4,399	38,089,650	13,072,000	1,005,000	2,273,280
24	Aug 3, 2024 18:21	4,400	27,286,880	13,076,000	1,005,000	2,277,376
25	Aug 3, 2024 18:21	4,402	29,076,944	13,080,000	1,006,000	2,535,424
26	Aug 3, 2024 18:21	4,403	31,514,666	13,083,000	1,006,000	2,494,464
27	Aug 3, 2024 19:35	4,411	31,736,606	13,106,000	1,008,000	2,277,376
28	Aug 3, 2024 18:21	4,411	32,910,929	13,108,000	1,008,000	2,486,272
29	Aug 3, 2024 18:21	4,411	26,482,646	13,106,000	1,008,000	2,273,280
30	Aug 3, 2024 19:35	4,411	32,881,850	13,108,000	1,008,000	2,498,560
31	Aug 3, 2024 18:21	4,411	39,321,879	13,108,000	1,008,000	2,498,560
32	Aug 3, 2024 18:20	4,419	31,276,200	12,122,000	2,020,000	2,498,560
33	Aug 3, 2024 18:20	4,420	33,731,699	13,134,000	1,010,000	2,502,656
34	Aug 3, 2024 19:35	4,424	31,478,520	12,135,000	2,022,000	2,277,376
35	Aug 3, 2024 18:21	4,429	29,714,984	13,162,000	1,012,000	2,273,280
36	Aug 3, 2024 18:20	4,442	32,311,043	13,266,000	947,000	2,498,560
37	Aug 3, 2024 19:35	4,655	108,638,839	14,895,016	0	2,248,704
38	Aug 3, 2024 18:20	4,656	91,400,736	14,898,306	0	2,260,992
39	Aug 3, 2024 18:21	4,670	81,410,390	14,943,719	0	2,240,512
40	Aug 3, 2024 18:20	4,673	84,613,402	14,953,365	0	2,240,512
41	Aug 3, 2024 19:35	4,678	68,354,630	14,970,723	0	2,240,512
42	Aug 3, 2024 18:21	4,686	102,197,824	14,993,930	0	2,260,992
43	Aug 3, 2024 18:21	4,689	71,106,831	15,003,216	0	2,244,608
44	Aug 3, 2024 18:21	4,689	80,967,185	15,003,716	0	2,240,512
45	Aug 3, 2024 19:35	4,690	98,303,320	15,008,415	0	2,244,608
46	Aug 3, 2024 18:20	4,700	58,986,518	15,039,301	0	2,367,488
47	Aug 3, 2024 18:21	4,706	84,909,105	15,059,388	0	2,379,776
48	Aug 3, 2024 18:21	4,826	81,084,173	15,443,339	0	2,260,992

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