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 31, 2024 21:25

Yuriy Lyfenko

Score: 4,436

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 31, 2024 21:25	4,400	538,025,035	12,997,000	1,083,000	2,269,184
2	Aug 31, 2024 21:25	4,408	534,736,241	13,021,000	1,085,000	2,445,312
3	Aug 31, 2024 21:25	4,413	540,979,468	13,035,000	1,086,000	2,269,184
4	Aug 31, 2024 21:26	4,415	538,157,400	12,109,000	2,018,000	2,269,184
5	Aug 31, 2024 21:25	4,417	536,675,063	12,116,000	2,019,000	2,531,328
6	Aug 31, 2024 21:25	4,417	538,012,145	12,114,000	2,019,000	2,531,328
7	Aug 31, 2024 21:25	4,425	533,290,162	12,137,000	2,022,000	2,273,280
8	Aug 31, 2024 21:26	4,426	542,366,162	12,141,000	2,023,000	2,273,280
9	Aug 31, 2024 21:25	4,427	541,089,482	12,142,000	2,023,000	2,535,424
10	Aug 31, 2024 21:26	4,428	535,438,024	13,156,000	1,012,000	2,535,424
11	Aug 31, 2024 21:25	4,430	534,070,504	12,152,000	2,025,000	2,273,280
12	Aug 31, 2024 21:25	4,430	534,478,552	12,152,000	2,025,000	2,453,504
13	Aug 31, 2024 21:25	4,431	535,216,944	12,153,000	2,025,000	2,273,280
14	Aug 31, 2024 21:26	4,433	537,561,375	13,173,000	1,013,000	2,535,424
15	Aug 31, 2024 21:25	4,433	538,638,026	13,171,000	1,013,000	2,273,280
16	Aug 31, 2024 21:26	4,433	541,988,328	13,171,000	1,013,000	2,531,328
17	Aug 31, 2024 21:26	4,434	536,566,437	13,175,000	1,013,000	2,535,424
18	Aug 31, 2024 21:26	4,435	534,403,107	13,180,000	1,013,000	2,449,408
19	Aug 31, 2024 21:25	4,436	533,616,284	12,167,000	2,027,000	2,535,424
20	Aug 31, 2024 21:26	4,437	542,563,226	13,185,000	1,014,000	2,273,280
21	Aug 31, 2024 21:25	4,437	534,697,012	13,185,000	1,014,000	2,453,504
22	Aug 31, 2024 21:25	4,437	533,155,573	13,183,000	1,014,000	2,535,424
23	Aug 31, 2024 21:25	4,438	535,948,305	13,187,000	1,014,000	2,535,424
24	Aug 31, 2024 21:25	4,439	532,798,526	13,191,000	1,014,000	2,535,424
25	Aug 31, 2024 21:25	4,440	535,704,648	13,194,000	1,014,000	2,539,520
26	Aug 31, 2024 21:26	4,440	538,120,275	12,178,000	2,029,000	2,535,424
27	Aug 31, 2024 21:26	4,441	536,179,266	13,197,000	1,015,000	2,453,504
28	Aug 31, 2024 21:25	4,446	538,290,998	13,212,000	1,016,000	2,273,280
29	Aug 31, 2024 21:25	4,447	540,488,295	13,215,000	1,016,000	2,273,280
30	Aug 31, 2024 21:25	4,448	541,550,226	13,218,000	1,016,000	2,535,424
31	Aug 31, 2024 21:25	4,448	537,754,766	12,202,000	2,033,000	2,535,424
32	Aug 31, 2024 21:26	4,448	541,454,622	13,217,000	1,016,000	2,273,280
33	Aug 31, 2024 21:25	4,450	537,752,799	13,224,000	1,017,000	2,535,424
34	Aug 31, 2024 21:25	4,456	538,532,950	13,242,000	1,018,000	2,535,424
35	Aug 31, 2024 21:26	4,456	534,023,028	13,241,000	1,018,000	2,269,184
36	Aug 31, 2024 21:25	4,456	533,569,336	13,241,000	1,018,000	2,535,424

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