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 listSep 19, 2022 10:41

Kenneth Maples

Score: 5,319

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 19, 2022 10:41	5,278	43,814,959	13,909,000	2,980,000	2,387,968
2	Sep 19, 2022 10:41	5,279	46,707,153	16,893,000	0	2,379,776
3	Sep 19, 2022 10:41	5,282	48,498,896	15,909,000	994,000	2,519,040
4	Sep 19, 2022 10:41	5,285	49,777,364	15,917,000	994,000	2,383,872
5	Sep 19, 2022 10:41	5,286	43,940,961	14,926,000	1,990,000	2,387,968
6	Sep 19, 2022 10:41	5,286	31,833,997	14,925,000	1,990,000	2,387,968
7	Sep 19, 2022 10:41	5,287	48,930,677	15,922,000	995,000	2,519,040
8	Sep 19, 2022 10:41	5,294	42,702,692	14,949,000	1,993,000	2,396,160
9	Sep 19, 2022 10:41	5,295	42,901,471	13,955,000	2,990,000	2,519,040
10	Sep 19, 2022 10:41	5,297	34,172,115	15,953,000	997,000	2,383,872
11	Sep 19, 2022 10:41	5,298	47,312,035	15,955,000	997,000	2,392,064
12	Sep 19, 2022 10:41	5,298	43,176,601	14,960,000	1,994,000	2,387,968
13	Sep 19, 2022 10:41	5,298	47,050,037	15,955,000	997,000	2,392,064
14	Sep 19, 2022 10:41	5,300	43,632,771	15,963,000	997,000	2,519,040
15	Sep 19, 2022 10:41	5,312	47,011,185	13,998,000	2,999,000	2,392,064
16	Sep 19, 2022 10:41	5,315	46,427,560	15,007,000	2,001,000	2,396,160
17	Sep 19, 2022 10:41	5,315	42,459,743	16,008,000	1,000,000	2,519,040
18	Sep 19, 2022 10:41	5,316	32,283,925	16,010,000	1,000,000	2,392,064
19	Sep 19, 2022 10:41	5,319	43,101,267	16,021,000	1,001,000	2,269,184
20	Sep 19, 2022 10:41	5,322	42,661,485	15,027,000	2,003,000	2,519,040
21	Sep 19, 2022 10:41	5,323	44,953,954	14,029,000	3,006,000	2,392,064
22	Sep 19, 2022 10:41	5,327	41,309,082	16,045,000	1,002,000	2,260,992
23	Sep 19, 2022 10:41	5,328	43,697,779	15,043,000	2,005,000	2,519,040
24	Sep 19, 2022 10:41	5,328	40,756,181	15,044,000	2,005,000	2,396,160
25	Sep 19, 2022 10:41	5,339	46,734,749	16,081,000	1,005,000	2,519,040
26	Sep 19, 2022 10:41	5,344	41,349,998	14,084,000	3,018,000	2,523,136
27	Sep 19, 2022 10:41	5,358	46,384,327	15,127,000	2,017,000	2,519,040
28	Sep 19, 2022 10:41	5,496	77,809,042	17,586,583	0	2,273,280
29	Sep 19, 2022 10:41	5,524	86,849,088	17,678,282	0	2,281,472
30	Sep 19, 2022 10:41	5,529	63,182,003	17,693,986	0	2,281,472
31	Sep 19, 2022 10:41	5,532	82,904,625	17,700,966	0	2,285,568
32	Sep 19, 2022 10:41	5,538	87,459,915	17,722,060	0	2,273,280
33	Sep 19, 2022 10:41	5,547	90,729,510	17,751,002	0	2,281,472
34	Sep 19, 2022 10:41	5,558	83,750,635	17,786,837	0	2,285,568
35	Sep 19, 2022 10:41	5,571	87,928,592	17,827,402	0	2,269,184
36	Sep 19, 2022 10:41	5,573	79,542,444	17,832,585	0	2,285,568

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