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 listApr 18, 2024 16:15

Robert Burke

Score: 4,454

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 18, 2024 16:14	4,407	30,809,707	12,089,000	2,014,000	2,445,312
2	Apr 18, 2024 16:09	4,423	28,460,392	12,133,000	2,022,000	2,449,408
3	Apr 18, 2024 16:09	4,428	32,017,365	12,144,000	2,024,000	2,449,408
4	Apr 18, 2024 16:06	4,429	35,688,500	12,148,000	2,024,000	2,441,216
5	Apr 18, 2024 16:06	4,429	37,956,305	12,148,000	2,024,000	2,281,472
6	Apr 18, 2024 16:09	4,430	33,842,092	12,151,000	2,025,000	2,277,376
7	Apr 18, 2024 16:14	4,430	33,856,286	12,152,000	2,025,000	2,457,600
8	Apr 18, 2024 16:09	4,433	38,810,069	12,158,000	2,026,000	2,535,424
9	Apr 18, 2024 16:14	4,434	29,314,264	12,162,000	2,027,000	2,281,472
10	Apr 18, 2024 16:14	4,435	34,458,685	12,166,000	2,027,000	2,281,472
11	Apr 18, 2024 16:06	4,439	38,683,113	12,175,000	2,029,000	2,445,312
12	Apr 18, 2024 16:09	4,439	31,245,299	12,176,000	2,029,000	2,281,472
13	Apr 18, 2024 16:06	4,440	35,146,069	12,178,000	2,029,000	2,449,408
14	Apr 18, 2024 16:14	4,441	41,192,273	12,180,000	2,030,000	2,445,312
15	Apr 18, 2024 16:06	4,442	31,506,844	12,184,000	2,030,000	2,281,472
16	Apr 18, 2024 16:06	4,444	32,456,828	12,190,000	2,031,000	2,281,472
17	Apr 18, 2024 16:14	4,445	33,908,040	12,192,000	2,032,000	2,445,312
18	Apr 18, 2024 16:06	4,445	30,133,543	12,192,000	2,032,000	2,281,472
19	Apr 18, 2024 16:06	4,446	28,917,877	12,194,000	2,032,000	2,281,472
20	Apr 18, 2024 16:15	4,448	26,338,438	12,202,000	2,033,000	2,281,472
21	Apr 18, 2024 16:15	4,449	35,796,329	12,203,000	2,033,000	2,441,216
22	Apr 18, 2024 16:15	4,450	32,412,130	12,205,000	2,034,000	2,281,472
23	Apr 18, 2024 16:06	4,452	36,422,387	13,230,000	1,017,000	2,281,472
24	Apr 18, 2024 16:09	4,453	35,040,272	12,215,000	2,035,000	2,449,408
25	Apr 18, 2024 16:09	4,454	29,609,471	13,234,000	1,018,000	2,281,472
26	Apr 18, 2024 16:14	4,454	32,092,186	13,236,000	1,018,000	2,281,472
27	Apr 18, 2024 16:14	4,454	35,367,691	14,254,000	0	2,281,472
28	Apr 18, 2024 16:14	4,455	30,363,793	13,237,000	1,018,000	2,449,408
29	Apr 18, 2024 16:15	4,463	30,250,947	13,261,000	1,020,000	2,281,472
30	Apr 18, 2024 16:15	4,464	30,468,717	13,264,000	1,020,000	2,281,472
31	Apr 18, 2024 16:15	4,464	29,146,671	13,264,000	1,020,000	2,281,472
32	Apr 18, 2024 16:15	4,468	36,481,393	13,278,000	1,021,000	2,441,216
33	Apr 18, 2024 16:15	4,469	37,404,472	13,279,000	1,021,000	2,445,312
34	Apr 18, 2024 16:09	4,471	33,605,791	13,285,000	1,021,000	2,281,472
35	Apr 18, 2024 16:09	4,473	33,007,998	13,291,000	1,022,000	2,445,312
36	Apr 18, 2024 16:15	4,483	27,912,932	13,323,000	1,024,000	2,281,472
37	Apr 18, 2024 16:06	4,703	84,185,037	15,049,688	0	2,199,552
38	Apr 18, 2024 16:06	4,713	76,015,407	15,081,308	0	2,203,648
39	Apr 18, 2024 16:09	4,720	75,794,864	15,102,998	0	2,207,744
40	Apr 18, 2024 16:14	4,735	100,247,526	15,151,440	0	2,203,648
41	Apr 18, 2024 16:14	4,737	84,364,044	15,158,798	0	2,203,648
42	Apr 18, 2024 16:06	4,737	83,033,762	15,158,723	0	2,207,744
43	Apr 18, 2024 16:09	4,743	62,514,740	15,176,828	0	2,203,648
44	Apr 18, 2024 16:09	4,746	93,459,895	15,186,069	0	2,203,648
45	Apr 18, 2024 16:14	4,754	88,738,274	15,213,210	0	2,260,992
46	Apr 18, 2024 16:15	4,756	55,551,388	15,218,601	0	2,203,648
47	Apr 18, 2024 16:15	4,757	65,645,033	15,222,010	0	2,215,936
48	Apr 18, 2024 16:15	4,787	85,942,711	15,318,224	0	2,203,648

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