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 listJan 26, 2024 00:32

Franek Korta

Score: 4,779

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 26, 2024 00:32	4,520	33,955,950	13,432,000	1,033,000	2,527,232
2	Jan 26, 2024 00:32	4,528	30,483,639	14,489,000	0	2,441,216
3	Jan 26, 2024 00:32	4,543	30,186,933	14,539,000	0	2,531,328
4	Jan 26, 2024 00:32	4,543	35,092,730	14,538,000	0	2,269,184
5	Jan 26, 2024 00:32	4,543	36,085,711	14,536,000	0	2,531,328
6	Jan 26, 2024 00:32	4,548	32,928,738	14,552,000	0	2,441,216
7	Jan 26, 2024 00:32	4,554	34,290,058	14,573,000	0	2,449,408
8	Jan 26, 2024 00:32	4,558	41,093,895	11,460,000	3,125,000	2,441,216
9	Jan 26, 2024 00:32	4,565	30,838,176	14,607,000	0	2,531,328
10	Jan 26, 2024 00:32	4,573	29,551,181	14,634,000	0	2,445,312
11	Jan 26, 2024 00:32	4,582	40,185,897	13,614,000	1,047,000	2,531,328
12	Jan 26, 2024 00:32	4,583	43,706,533	14,665,000	0	2,445,312
13	Jan 26, 2024 00:32	4,588	28,238,663	14,683,000	0	2,269,184
14	Jan 26, 2024 00:32	4,591	35,606,640	14,692,000	0	2,441,216
15	Jan 26, 2024 00:32	4,592	31,446,995	13,646,000	1,049,000	2,449,408
16	Jan 26, 2024 00:32	4,634	31,172,989	12,853,000	1,977,000	2,531,328
17	Jan 26, 2024 00:32	4,644	29,577,354	13,872,000	990,000	2,265,088
18	Jan 26, 2024 00:32	4,653	38,351,348	13,896,000	992,000	2,449,408
19	Jan 26, 2024 00:32	4,779	34,911,876	15,292,000	0	2,531,328
20	Jan 26, 2024 00:32	4,780	42,220,177	13,256,000	2,039,000	2,269,184
21	Jan 26, 2024 00:32	4,784	39,163,195	14,289,000	1,020,000	2,273,280
22	Jan 26, 2024 00:32	4,789	36,545,032	15,326,000	0	2,445,312
23	Jan 26, 2024 00:32	4,794	34,653,151	14,318,000	1,022,000	2,527,232
24	Jan 26, 2024 00:32	4,802	80,580,102	15,365,800	0	2,187,264
25	Jan 26, 2024 00:32	4,808	38,627,061	15,387,000	0	2,445,312
26	Jan 26, 2024 00:32	4,822	31,287,284	14,402,000	1,028,000	2,445,312
27	Jan 26, 2024 00:32	4,824	37,156,393	15,436,000	0	2,269,184
28	Jan 26, 2024 00:32	4,824	37,424,794	14,408,000	1,029,000	2,531,328
29	Jan 26, 2024 00:32	4,830	76,998,549	15,454,542	0	2,260,992
30	Jan 26, 2024 00:32	4,831	89,790,500	15,458,101	0	2,207,744
31	Jan 26, 2024 00:32	4,836	77,293,894	15,476,252	0	2,260,992
32	Jan 26, 2024 00:32	4,850	80,246,040	15,519,752	0	2,195,456
33	Jan 26, 2024 00:32	4,859	83,074,507	15,548,264	0	2,199,552
34	Jan 26, 2024 00:32	5,037	90,610,182	16,118,026	0	2,199,552
35	Jan 26, 2024 00:32	5,044	70,306,910	16,140,844	0	2,203,648
36	Jan 26, 2024 00:32	5,080	83,862,773	16,254,687	0	2,207,744

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