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 30, 2023 17:01

Alexander Monakov

Score: 4,552

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 30, 2023 16:59	4,502	31,943,355	14,407,000	0	2,277,376
2	Jun 30, 2023 17:01	4,506	29,797,204	14,419,000	0	2,277,376
3	Jun 30, 2023 16:59	4,507	37,043,413	14,423,000	0	2,277,376
4	Jun 30, 2023 17:01	4,510	35,115,427	14,432,000	0	2,277,376
5	Jun 30, 2023 16:59	4,515	30,042,361	14,449,000	0	2,502,656
6	Jun 30, 2023 16:59	4,516	33,190,482	14,452,000	0	2,277,376
7	Jun 30, 2023 17:01	4,519	36,132,166	14,460,000	0	2,277,376
8	Jun 30, 2023 16:59	4,522	35,190,254	14,470,000	0	2,277,376
9	Jun 30, 2023 17:01	4,524	35,892,705	14,476,000	0	2,277,376
10	Jun 30, 2023 17:01	4,526	31,946,256	14,482,000	0	2,494,464
11	Jun 30, 2023 17:01	4,527	34,102,071	14,486,000	0	2,277,376
12	Jun 30, 2023 17:01	4,528	28,751,363	14,489,000	0	2,277,376
13	Jun 30, 2023 16:59	4,529	35,057,907	14,494,000	0	2,277,376
14	Jun 30, 2023 17:01	4,529	31,614,644	13,459,000	1,035,000	2,277,376
15	Jun 30, 2023 17:01	4,531	30,052,843	14,499,000	0	2,490,368
16	Jun 30, 2023 16:59	4,534	31,022,132	14,509,000	0	2,273,280
17	Jun 30, 2023 16:59	4,537	30,459,554	14,519,000	0	2,535,424
18	Jun 30, 2023 17:01	4,537	32,123,653	13,482,000	1,037,000	2,277,376
19	Jun 30, 2023 16:59	4,539	28,865,934	14,526,000	0	2,277,376
20	Jun 30, 2023 16:59	4,543	29,216,892	13,501,000	1,038,000	2,277,376
21	Jun 30, 2023 17:01	4,543	35,380,233	14,537,000	0	2,494,464
22	Jun 30, 2023 16:59	4,543	30,778,811	14,536,000	0	2,273,280
23	Jun 30, 2023 16:59	4,545	27,800,004	13,506,000	1,038,000	2,494,464
24	Jun 30, 2023 17:01	4,547	39,379,451	14,551,000	0	2,498,560
25	Jun 30, 2023 17:01	4,552	38,257,245	13,525,000	1,040,000	2,277,376
26	Jun 30, 2023 16:59	4,552	29,645,219	14,565,000	0	2,498,560
27	Jun 30, 2023 17:01	4,556	35,060,628	13,537,000	1,041,000	2,277,376
28	Jun 30, 2023 16:59	4,561	27,694,640	13,553,000	1,042,000	2,277,376
29	Jun 30, 2023 16:59	4,564	30,540,869	13,563,000	1,043,000	2,498,560
30	Jun 30, 2023 17:01	4,565	36,750,902	12,660,000	1,947,000	2,498,560
31	Jun 30, 2023 17:01	4,567	31,154,845	14,615,000	0	2,494,464
32	Jun 30, 2023 16:59	4,567	30,819,605	13,570,000	1,043,000	2,277,376
33	Jun 30, 2023 16:59	4,569	34,820,838	14,622,000	0	2,486,272
34	Jun 30, 2023 17:01	4,569	29,188,113	13,576,000	1,044,000	2,277,376
35	Jun 30, 2023 16:59	4,591	29,002,126	13,712,000	979,000	2,498,560
36	Jun 30, 2023 17:01	4,607	32,729,502	14,741,000	0	2,502,656
37	Jun 30, 2023 17:01	4,739	76,769,930	15,165,829	0	2,240,512
38	Jun 30, 2023 16:59	4,759	91,299,087	15,227,874	0	2,240,512
39	Jun 30, 2023 16:59	4,767	80,879,719	15,255,352	0	2,244,608
40	Jun 30, 2023 17:01	4,772	92,145,931	15,269,140	0	2,260,992
41	Jun 30, 2023 16:59	4,776	81,904,899	15,281,703	0	2,236,416
42	Jun 30, 2023 17:01	4,787	74,403,439	15,317,710	0	2,248,704
43	Jun 30, 2023 16:59	4,787	86,207,408	15,318,367	0	2,236,416
44	Jun 30, 2023 16:59	4,794	75,638,200	15,342,011	0	2,240,512
45	Jun 30, 2023 17:01	4,828	74,902,601	15,449,533	0	2,244,608
46	Jun 30, 2023 16:59	4,835	86,576,225	15,471,059	0	2,260,992
47	Jun 30, 2023 17:01	4,836	74,928,907	15,474,923	0	2,244,608
48	Jun 30, 2023 17:01	4,846	60,539,959	15,506,797	0	2,240,512

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