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, 2022 22:03

Franek Korta

Score: 5,424

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 21, 2022 22:02	4,816	33,730,638	13,356,000	2,054,000	2,523,136
2	Aug 21, 2022 22:02	4,818	37,702,780	12,333,000	3,083,000	2,514,944
3	Aug 21, 2022 22:02	4,834	39,439,486	13,406,000	2,062,000	2,379,776
4	Aug 21, 2022 22:02	4,835	48,520,964	13,409,000	2,062,000	2,375,680
5	Aug 21, 2022 22:02	4,839	42,312,193	15,485,000	0	2,523,136
6	Aug 21, 2022 22:02	4,841	37,818,804	14,460,000	1,032,000	2,379,776
7	Aug 21, 2022 22:02	4,841	41,995,681	15,490,000	0	2,387,968
8	Aug 21, 2022 22:02	4,858	32,739,982	14,508,000	1,036,000	2,523,136
9	Aug 21, 2022 22:02	4,868	35,667,442	13,500,000	2,077,000	2,523,136
10	Aug 21, 2022 22:02	5,027	56,520,018	16,085,899	0	2,265,088
11	Aug 21, 2022 22:02	5,078	73,715,836	16,250,331	0	2,273,280
12	Aug 21, 2022 22:02	5,080	76,529,470	16,256,785	0	2,269,184
13	Aug 21, 2022 22:03	5,316	103,952,895	17,009,983	0	2,269,184
14	Aug 21, 2022 22:03	5,343	62,745,588	17,097,687	0	2,273,280
15	Aug 21, 2022 22:03	5,347	83,720,877	17,108,869	0	2,277,376
16	Aug 21, 2022 22:03	5,394	33,767,115	15,231,000	2,030,000	2,478,080
17	Aug 21, 2022 22:03	5,395	44,231,389	13,202,000	4,062,000	2,523,136
18	Aug 21, 2022 22:03	5,407	40,962,256	15,266,000	2,035,000	2,473,984
19	Aug 21, 2022 22:03	5,424	40,979,318	13,274,000	4,084,000	2,523,136
20	Aug 21, 2022 22:03	5,432	45,257,512	14,316,000	3,067,000	2,265,088
21	Aug 21, 2022 22:03	5,435	32,698,792	15,346,000	2,046,000	2,363,392
22	Aug 21, 2022 22:03	5,437	40,114,070	14,329,000	3,070,000	2,269,184
23	Aug 21, 2022 22:03	5,438	36,268,209	15,355,000	2,047,000	2,523,136
24	Aug 21, 2022 22:03	5,447	42,273,133	15,380,000	2,050,000	2,523,136
25	Aug 21, 2022 22:03	5,870	107,128,082	18,785,290	0	2,273,280
26	Aug 21, 2022 22:03	5,883	77,723,408	18,826,718	0	2,285,568
27	Aug 21, 2022 22:03	5,902	86,201,529	18,887,313	0	2,260,992
28	Aug 21, 2022 22:03	6,010	46,842,982	16,196,000	3,036,000	2,523,136
29	Aug 21, 2022 22:03	6,011	42,769,481	16,199,000	3,037,000	2,523,136
30	Aug 21, 2022 22:03	6,019	50,893,486	17,235,000	2,027,000	2,527,232
31	Aug 21, 2022 22:03	6,021	48,024,087	18,254,000	1,014,000	2,523,136
32	Aug 21, 2022 22:03	6,021	50,064,295	17,240,000	2,028,000	2,523,136
33	Aug 21, 2022 22:03	6,028	46,046,837	16,245,000	3,045,000	2,338,816
34	Aug 21, 2022 22:03	6,033	45,670,541	18,288,000	1,016,000	2,523,136
35	Aug 21, 2022 22:03	6,048	40,920,918	16,297,000	3,055,000	2,523,136
36	Aug 21, 2022 22:03	6,104	35,845,609	18,506,000	1,028,000	2,523,136

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