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 21, 2021 17:09

Yuriy Lyfenko

Score: 5,662

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 21, 2021 17:09	5,619	545,638,369	14,984,000	2,996,000	2,338,816
2	Aug 21, 2021 17:09	5,621	539,393,732	16,928,000	1,058,000	2,334,720
3	Aug 21, 2021 17:12	5,625	540,520,548	16,942,000	1,058,000	2,334,720
4	Dec 22, 2021 04:05	5,625	547,038,120	16,941,000	1,058,000	2,334,720
5	Aug 21, 2021 17:12	5,635	541,134,128	18,031,000	0	2,326,528
6	Aug 21, 2021 17:09	5,636	577,215,194	18,035,051	0	2,256,896
7	Dec 22, 2021 04:05	5,640	545,547,091	16,043,000	2,005,000	2,334,720
8	Aug 21, 2021 17:12	5,641	544,550,604	18,051,000	0	2,334,720
9	Dec 22, 2021 04:05	5,643	535,458,856	18,056,000	0	2,461,696
10	Dec 22, 2021 04:05	5,648	543,861,263	18,075,000	0	2,334,720
11	Aug 21, 2021 17:09	5,649	573,461,389	18,075,541	0	2,256,896
12	Aug 21, 2021 17:12	5,650	586,659,123	18,078,673	0	2,293,760
13	Aug 21, 2021 17:09	5,653	546,692,444	17,025,000	1,064,000	2,334,720
14	Aug 21, 2021 17:12	5,654	550,208,407	16,083,000	2,010,000	2,338,816
15	Dec 22, 2021 04:05	5,657	571,974,564	18,103,997	0	2,256,896
16	Aug 21, 2021 17:12	5,658	572,754,597	18,106,720	0	2,252,800
17	Aug 21, 2021 17:12	5,659	545,565,355	18,108,000	0	2,334,720
18	Dec 22, 2021 04:05	5,661	545,861,688	17,051,000	1,065,000	2,334,720
19	Dec 22, 2021 04:05	5,662	578,094,381	18,117,150	0	2,297,856
20	Aug 21, 2021 17:12	5,664	545,356,718	15,992,000	2,132,000	2,334,720
21	Aug 21, 2021 17:09	5,668	543,464,958	17,072,000	1,067,000	2,334,720
22	Dec 22, 2021 04:05	5,676	545,285,857	15,135,000	3,027,000	2,334,720
23	Aug 21, 2021 17:09	5,679	546,318,820	17,164,000	1,009,000	2,334,720
24	Aug 21, 2021 17:12	5,706	589,158,152	18,258,296	0	2,256,896
25	Aug 21, 2021 17:09	5,710	546,288,791	15,386,000	2,885,000	2,334,720
26	Aug 21, 2021 17:09	5,712	543,352,041	16,354,000	1,924,000	2,338,816
27	Aug 21, 2021 17:12	5,717	548,609,385	15,406,000	2,888,000	2,334,720
28	Aug 21, 2021 17:12	5,720	543,318,802	15,413,000	2,890,000	2,334,720
29	Dec 22, 2021 04:05	5,721	577,261,824	18,308,571	0	2,256,896
30	Dec 22, 2021 04:05	5,730	547,512,342	15,441,000	2,895,000	2,338,816
31	Aug 21, 2021 17:09	5,730	544,179,009	15,442,000	2,895,000	2,338,816
32	Dec 22, 2021 04:05	5,732	546,485,384	16,305,000	2,038,000	2,338,816
33	Aug 21, 2021 17:09	5,733	573,028,856	18,346,096	0	2,256,896
34	Aug 21, 2021 17:12	5,734	547,302,373	17,330,000	1,019,000	2,334,720
35	Aug 21, 2021 17:09	5,734	544,602,527	15,451,000	2,897,000	2,334,720
36	Dec 22, 2021 04:05	5,735	550,866,389	15,455,000	2,897,000	2,338,816

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