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 listJul 24, 2024 01:11

emily grace

Score: 4,686

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 24, 2024 01:11	4,646	45,895,775	13,877,000	991,000	2,281,472
2	Jul 24, 2024 01:11	4,648	42,414,335	12,890,000	1,983,000	2,289,664
3	Jul 24, 2024 01:12	4,655	34,856,145	12,911,000	1,986,000	2,527,232
4	Jul 24, 2024 01:12	4,656	32,436,865	12,912,000	1,986,000	2,289,664
5	Jul 24, 2024 01:11	4,657	42,973,994	12,915,000	1,986,000	2,289,664
6	Jul 24, 2024 01:11	4,658	33,967,821	12,918,000	1,987,000	2,289,664
7	Jul 24, 2024 01:11	4,660	32,116,728	12,923,000	1,988,000	2,289,664
8	Jul 24, 2024 01:11	4,660	36,290,249	12,925,000	1,988,000	2,527,232
9	Jul 24, 2024 01:12	4,661	32,875,396	12,927,000	1,988,000	2,273,280
10	Jul 24, 2024 01:11	4,670	38,779,293	12,952,000	1,992,000	2,289,664
11	Jul 24, 2024 01:12	4,670	33,293,997	12,952,000	1,992,000	2,289,664
12	Jul 24, 2024 01:11	4,672	31,151,373	12,958,000	1,993,000	2,289,664
13	Jul 24, 2024 01:12	4,676	37,799,520	13,967,000	997,000	2,289,664
14	Jul 24, 2024 01:11	4,676	38,478,147	12,969,000	1,995,000	2,289,664
15	Jul 24, 2024 01:11	4,682	34,396,961	13,983,000	998,000	2,269,184
16	Jul 24, 2024 01:11	4,683	36,361,770	12,987,000	1,998,000	2,277,376
17	Jul 24, 2024 01:12	4,684	38,939,985	12,992,000	1,998,000	2,289,664
18	Jul 24, 2024 01:11	4,685	37,921,978	12,994,000	1,999,000	2,277,376
19	Jul 24, 2024 01:11	4,686	35,274,354	13,996,000	999,000	2,289,664
20	Jul 24, 2024 01:11	4,688	41,492,462	13,001,000	2,000,000	2,527,232
21	Jul 24, 2024 01:12	4,688	33,955,757	13,001,000	2,000,000	2,289,664
22	Jul 24, 2024 01:12	4,690	39,979,187	13,006,000	2,001,000	2,289,664
23	Jul 24, 2024 01:11	4,692	34,189,512	13,013,000	2,002,000	2,289,664
24	Jul 24, 2024 01:11	4,696	30,603,591	13,024,000	2,003,000	2,527,232
25	Jul 24, 2024 01:12	4,710	35,131,919	14,067,000	1,004,000	2,289,664
26	Jul 24, 2024 01:11	4,721	33,556,710	14,101,000	1,007,000	2,519,040
27	Jul 24, 2024 01:11	4,726	43,519,810	13,107,000	2,016,000	2,273,280
28	Jul 24, 2024 01:11	4,915	94,884,452	15,727,817	0	2,281,472
29	Jul 24, 2024 01:12	4,923	91,964,275	15,752,508	0	2,289,664
30	Jul 24, 2024 01:11	4,923	77,004,132	15,753,649	0	2,289,664
31	Jul 24, 2024 01:12	4,926	80,840,132	15,763,512	0	2,289,664
32	Jul 24, 2024 01:11	4,931	59,355,686	15,779,592	0	2,285,568
33	Jul 24, 2024 01:11	4,936	80,933,212	15,796,544	0	2,285,568
34	Jul 24, 2024 01:12	4,938	84,851,920	15,801,814	0	2,285,568
35	Jul 24, 2024 01:11	4,940	87,002,029	15,809,070	0	2,289,664
36	Jul 24, 2024 01:11	4,940	76,619,863	15,807,809	0	2,293,760

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