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 17, 2024 13:35

Matt Stuchlik

Score: 5,727

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 17, 2024 13:37	5,671	40,648,617	17,139,000	1,008,000	2,273,280
2	Jul 17, 2024 13:35	5,674	40,469,980	17,150,000	1,008,000	2,289,664
3	Jul 17, 2024 13:35	5,686	34,637,211	16,175,000	2,021,000	2,273,280
4	Jul 17, 2024 13:35	5,688	42,671,356	16,178,000	2,022,000	2,289,664
5	Jul 17, 2024 13:37	5,690	44,120,532	16,186,000	2,023,000	2,269,184
6	Jul 17, 2024 13:36	5,691	39,338,724	17,201,000	1,011,000	2,273,280
7	Jul 17, 2024 13:35	5,695	46,967,953	16,200,000	2,025,000	2,523,136
8	Jul 17, 2024 13:36	5,697	47,718,160	16,206,000	2,025,000	2,273,280
9	Jul 17, 2024 13:37	5,701	41,344,093	16,217,000	2,027,000	2,269,184
10	Jul 17, 2024 13:36	5,702	44,571,756	16,220,000	2,027,000	2,289,664
11	Jul 17, 2024 13:35	5,703	40,441,380	16,223,000	2,027,000	2,527,232
12	Jul 17, 2024 13:35	5,703	44,796,881	16,221,000	2,027,000	2,277,376
13	Jul 17, 2024 13:35	5,706	32,924,698	17,244,000	1,014,000	2,273,280
14	Jul 17, 2024 13:35	5,707	39,298,944	16,232,000	2,029,000	2,289,664
15	Jul 17, 2024 13:36	5,713	42,886,741	16,252,000	2,031,000	2,289,664
16	Jul 17, 2024 13:37	5,717	42,970,841	17,277,000	1,016,000	2,269,184
17	Jul 17, 2024 13:35	5,719	39,203,026	17,285,000	1,016,000	2,289,664
18	Jul 17, 2024 13:35	5,720	40,221,067	16,270,000	2,033,000	2,289,664
19	Jul 17, 2024 13:36	5,721	42,906,230	16,273,000	2,034,000	2,269,184
20	Jul 17, 2024 13:37	5,721	37,185,741	16,274,000	2,034,000	2,289,664
21	Jul 17, 2024 13:37	5,721	45,228,739	17,289,000	1,017,000	2,289,664
22	Jul 17, 2024 13:37	5,722	42,631,173	16,276,000	2,034,000	2,289,664
23	Jul 17, 2024 13:35	5,724	39,857,229	16,283,000	2,035,000	2,277,376
24	Jul 17, 2024 13:35	5,727	43,437,494	16,291,000	2,036,000	2,289,664
25	Jul 17, 2024 13:35	5,727	44,406,665	17,309,000	1,018,000	2,289,664
26	Jul 17, 2024 13:35	5,729	49,742,722	16,297,000	2,037,000	2,527,232
27	Jul 17, 2024 13:35	5,734	38,849,474	16,311,000	2,038,000	2,527,232
28	Jul 17, 2024 13:36	5,735	39,056,952	17,332,000	1,019,000	2,289,664
29	Jul 17, 2024 13:36	5,735	44,158,055	16,314,000	2,039,000	2,289,664
30	Jul 17, 2024 13:37	5,738	39,137,773	17,343,000	1,020,000	2,289,664
31	Jul 17, 2024 13:36	5,738	47,789,925	17,340,000	1,020,000	2,289,664
32	Jul 17, 2024 13:37	5,739	44,892,714	16,325,000	2,040,000	2,277,376
33	Jul 17, 2024 13:35	5,745	35,591,700	16,341,000	2,042,000	2,273,280
34	Jul 17, 2024 13:35	5,748	41,753,004	17,372,000	1,021,000	2,281,472
35	Jul 17, 2024 13:35	5,748	41,055,271	16,349,000	2,043,000	2,527,232
36	Jul 17, 2024 13:36	5,770	45,508,460	16,413,000	2,051,000	2,277,376
37	Jul 17, 2024 13:35	6,148	70,631,640	19,673,681	0	2,179,072
38	Jul 17, 2024 13:35	6,153	86,118,445	19,688,676	0	2,252,800
39	Jul 17, 2024 13:37	6,155	77,579,267	19,696,465	0	2,179,072
40	Jul 17, 2024 13:37	6,168	89,378,604	19,737,481	0	2,174,976
41	Jul 17, 2024 13:35	6,173	96,176,491	19,752,380	0	2,252,800
42	Jul 17, 2024 13:36	6,177	98,097,802	19,765,064	0	2,301,952
43	Jul 17, 2024 13:35	6,179	85,786,898	19,771,328	0	2,297,856
44	Jul 17, 2024 13:36	6,186	79,147,783	19,793,835	0	2,297,856
45	Jul 17, 2024 13:37	6,200	84,182,228	19,840,868	0	2,285,568
46	Jul 17, 2024 13:35	6,200	85,704,268	19,839,876	0	2,301,952
47	Jul 17, 2024 13:36	6,202	99,411,977	19,847,917	0	2,306,048
48	Jul 17, 2024 13:35	6,239	92,390,001	19,966,132	0	2,293,760

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