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 21, 2024 10:58

Matt Stuchlik

Score: 5,036

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 21, 2024 10:58	4,996	44,106,815	15,987,000	0	2,523,136
2	Jul 21, 2024 10:58	4,998	36,790,320	13,993,000	1,999,000	2,285,568
3	Jul 21, 2024 10:58	4,999	38,945,625	14,999,000	999,000	2,289,664
4	Jul 21, 2024 10:59	5,006	40,812,546	14,018,000	2,002,000	2,289,664
5	Jul 21, 2024 10:59	5,008	35,858,138	14,022,000	2,003,000	2,289,664
6	Jul 21, 2024 10:58	5,010	38,793,492	14,028,000	2,004,000	2,265,088
7	Jul 21, 2024 10:59	5,010	33,850,715	14,028,000	2,004,000	2,265,088
8	Jul 21, 2024 10:58	5,014	44,277,558	14,040,000	2,005,000	2,273,280
9	Jul 21, 2024 10:58	5,014	33,238,409	14,040,000	2,005,000	2,289,664
10	Jul 21, 2024 10:59	5,016	39,878,897	15,047,000	1,003,000	2,289,664
11	Jul 21, 2024 10:59	5,023	36,184,765	15,068,000	1,004,000	2,289,664
12	Jul 21, 2024 10:58	5,023	36,900,948	14,064,000	2,009,000	2,273,280
13	Jul 21, 2024 10:58	5,030	47,322,892	14,085,000	2,012,000	2,289,664
14	Jul 21, 2024 10:58	5,031	34,496,444	15,094,000	1,006,000	2,289,664
15	Jul 21, 2024 10:58	5,031	35,811,203	14,088,000	2,012,000	2,285,568
16	Jul 21, 2024 10:58	5,033	35,337,354	14,093,000	2,013,000	2,289,664
17	Jul 21, 2024 10:59	5,033	37,764,531	14,092,000	2,013,000	2,289,664
18	Jul 21, 2024 10:58	5,034	39,241,003	15,102,000	1,006,000	2,281,472
19	Jul 21, 2024 10:58	5,036	37,560,448	14,100,000	2,014,000	2,289,664
20	Jul 21, 2024 10:59	5,036	33,015,277	15,107,000	1,007,000	2,289,664
21	Jul 21, 2024 10:58	5,038	34,222,956	14,107,000	2,015,000	2,269,184
22	Jul 21, 2024 10:58	5,042	34,164,970	14,118,000	2,016,000	2,269,184
23	Jul 21, 2024 10:58	5,043	33,386,952	15,130,000	1,008,000	2,289,664
24	Jul 21, 2024 10:58	5,051	39,878,409	14,144,000	2,020,000	2,289,664
25	Jul 21, 2024 10:59	5,054	33,029,766	15,163,000	1,010,000	2,289,664
26	Jul 21, 2024 10:58	5,065	34,463,331	15,195,000	1,012,000	2,269,184
27	Jul 21, 2024 10:59	5,076	37,771,258	14,213,000	2,030,000	2,531,328
28	Jul 21, 2024 10:58	5,239	88,739,156	16,763,826	0	2,289,664
29	Jul 21, 2024 10:59	5,253	92,940,875	16,810,131	0	2,289,664
30	Jul 21, 2024 10:58	5,257	83,814,245	16,822,256	0	2,285,568
31	Jul 21, 2024 10:59	5,260	78,291,036	16,831,891	0	2,281,472
32	Jul 21, 2024 10:58	5,260	96,020,677	16,831,480	0	2,293,760
33	Jul 21, 2024 10:58	5,263	98,646,570	16,842,725	0	2,289,664
34	Jul 21, 2024 10:59	5,267	68,362,977	16,853,234	0	2,297,856
35	Jul 21, 2024 10:58	5,267	81,483,371	16,854,491	0	2,289,664
36	Jul 21, 2024 10:58	5,308	83,320,287	16,985,067	0	2,293,760

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