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 listMay 11, 2021 20:16

Yuriy Lyfenko

Score: 5,586

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 11, 2021 20:16	5,533	43,143,780	14,581,000	3,124,000	2,260,992
2	May 11, 2021 20:14	5,538	48,280,033	17,723,000	0	2,387,968
3	May 11, 2021 20:16	5,542	45,809,708	16,691,000	1,043,000	2,400,256
4	May 11, 2021 20:16	5,567	33,958,775	15,834,000	1,979,000	2,265,088
5	May 11, 2021 20:14	5,582	43,262,477	15,878,000	1,984,000	2,523,136
6	May 11, 2021 20:16	5,583	38,889,522	15,881,000	1,985,000	2,523,136
7	May 11, 2021 20:15	5,584	44,972,301	16,876,000	992,000	2,523,136
8	May 11, 2021 20:15	5,584	48,583,278	14,891,000	2,978,000	2,523,136
9	May 11, 2021 20:15	5,584	32,811,256	14,891,000	2,978,000	2,260,992
10	May 11, 2021 20:15	5,584	44,855,292	16,878,000	992,000	2,519,040
11	May 11, 2021 20:14	5,584	50,932,495	15,883,000	1,985,000	2,269,184
12	May 11, 2021 20:14	5,584	34,432,302	16,876,000	992,000	2,260,992
13	May 11, 2021 20:14	5,584	45,907,798	16,876,000	992,000	2,506,752
14	May 11, 2021 20:14	5,584	46,945,697	16,876,000	992,000	2,392,064
15	May 11, 2021 20:14	5,584	48,485,862	16,878,000	992,000	2,392,064
16	May 11, 2021 20:16	5,585	48,041,639	16,880,000	992,000	2,523,136
17	May 11, 2021 20:15	5,585	45,591,904	16,879,000	992,000	2,523,136
18	May 11, 2021 20:15	5,586	34,381,807	15,889,000	1,986,000	2,523,136
19	May 11, 2021 20:14	5,586	47,620,132	15,772,000	2,102,000	2,260,992
20	May 11, 2021 20:16	5,586	36,954,556	16,882,000	993,000	2,387,968
21	May 11, 2021 20:16	5,587	50,291,339	16,884,000	993,000	2,392,064
22	May 11, 2021 20:15	5,587	41,444,572	15,892,000	1,986,000	2,260,992
23	May 11, 2021 20:15	5,588	34,881,316	15,895,000	1,986,000	2,400,256
24	May 11, 2021 20:16	5,591	49,823,357	15,903,000	1,987,000	2,260,992
25	May 11, 2021 20:16	5,592	45,627,926	14,912,000	2,982,000	2,392,064
26	May 11, 2021 20:14	5,597	43,285,913	16,857,000	1,053,000	2,523,136
27	May 11, 2021 20:15	5,603	44,057,509	15,938,000	1,992,000	2,392,064
28	May 11, 2021 20:16	5,736	64,782,888	18,355,016	0	2,285,568
29	May 11, 2021 20:14	5,742	84,954,319	18,373,749	0	2,277,376
30	May 11, 2021 20:15	5,742	82,338,907	18,374,440	0	2,277,376
31	May 11, 2021 20:14	5,749	59,989,223	18,396,574	0	2,277,376
32	May 11, 2021 20:15	5,755	78,882,856	18,414,614	0	2,265,088
33	May 11, 2021 20:16	5,760	87,814,968	18,432,797	0	2,269,184
34	May 11, 2021 20:16	5,767	87,050,237	18,453,568	0	2,277,376
35	May 11, 2021 20:15	5,768	85,905,399	18,456,855	0	2,277,376
36	May 11, 2021 20:14	5,771	67,006,799	18,465,724	0	2,277,376

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