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 11:00

Matt Stuchlik

Score: 5,016

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 21, 2024 11:00	4,984	40,656,178	13,957,000	1,993,000	2,289,664
2	Jul 21, 2024 11:00	4,989	36,044,028	13,970,000	1,995,000	2,269,184
3	Jul 21, 2024 11:00	4,992	36,805,533	13,978,000	1,996,000	2,289,664
4	Jul 21, 2024 11:00	4,993	40,829,422	14,981,000	998,000	2,273,280
5	Jul 21, 2024 11:00	4,993	47,219,306	13,982,000	1,997,000	2,289,664
6	Jul 21, 2024 11:00	4,994	37,486,192	13,984,000	1,997,000	2,289,664
7	Jul 21, 2024 11:00	4,994	34,130,671	13,983,000	1,997,000	2,269,184
8	Jul 21, 2024 11:00	4,998	32,815,914	13,995,000	1,999,000	2,289,664
9	Jul 21, 2024 11:00	4,998	38,485,859	13,994,000	1,999,000	2,289,664
10	Jul 21, 2024 11:00	4,999	41,158,987	13,999,000	1,999,000	2,289,664
11	Jul 21, 2024 11:00	5,001	39,818,383	15,004,000	1,000,000	2,289,664
12	Jul 21, 2024 11:00	5,007	31,788,561	15,022,000	1,001,000	2,289,664
13	Jul 21, 2024 11:00	5,010	37,514,190	14,029,000	2,004,000	2,273,280
14	Jul 21, 2024 11:00	5,011	39,198,257	14,030,000	2,004,000	2,281,472
15	Jul 21, 2024 11:00	5,011	31,580,762	14,032,000	2,004,000	2,265,088
16	Jul 21, 2024 11:00	5,012	39,697,017	14,033,000	2,004,000	2,289,664
17	Jul 21, 2024 11:00	5,012	36,549,937	14,033,000	2,004,000	2,527,232
18	Jul 21, 2024 11:00	5,014	52,640,056	15,042,000	1,002,000	2,289,664
19	Jul 21, 2024 11:00	5,016	39,415,820	14,046,000	2,006,000	2,273,280
20	Jul 21, 2024 11:00	5,018	39,734,790	14,051,000	2,007,000	2,289,664
21	Jul 21, 2024 11:00	5,018	37,965,890	14,049,000	2,007,000	2,527,232
22	Jul 21, 2024 11:00	5,019	37,002,124	14,053,000	2,007,000	2,289,664
23	Jul 21, 2024 11:00	5,027	39,852,417	15,081,000	1,005,000	2,273,280
24	Jul 21, 2024 11:00	5,028	42,928,725	14,080,000	2,011,000	2,527,232
25	Jul 21, 2024 11:00	5,029	35,898,907	14,082,000	2,011,000	2,289,664
26	Jul 21, 2024 11:00	5,034	42,461,280	14,095,000	2,013,000	2,289,664
27	Jul 21, 2024 11:00	5,048	33,854,284	14,133,000	2,019,000	2,273,280
28	Jul 21, 2024 11:00	5,235	85,517,773	16,753,582	0	2,297,856
29	Jul 21, 2024 11:00	5,245	74,420,647	16,782,472	0	2,289,664
30	Jul 21, 2024 11:00	5,250	98,245,467	16,798,496	0	2,289,664
31	Jul 21, 2024 11:00	5,251	81,283,209	16,803,284	0	2,289,664
32	Jul 21, 2024 11:00	5,256	80,464,548	16,817,734	0	2,293,760
33	Jul 21, 2024 11:00	5,263	91,011,237	16,843,050	0	2,289,664
34	Jul 21, 2024 11:00	5,266	83,016,070	16,852,297	0	2,293,760
35	Jul 21, 2024 11:00	5,276	96,193,513	16,884,366	0	2,289,664
36	Jul 21, 2024 11:00	5,282	103,779,775	16,902,719	0	2,293,760

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