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 listApr 5, 2025 16:32

CountHarebourg

Score: 4,694

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 5, 2025 16:31	4,656	31,664,538	13,836,000	1,064,000	2,285,568
2	Apr 5, 2025 16:32	4,666	36,078,206	12,940,000	1,990,000	2,289,664
3	Apr 5, 2025 16:33	4,666	41,728,157	12,940,000	1,990,000	2,527,232
4	Apr 5, 2025 16:32	4,667	42,619,445	12,942,000	1,991,000	2,277,376
5	Apr 5, 2025 16:32	4,671	42,113,736	12,954,000	1,993,000	2,269,184
6	Apr 5, 2025 16:32	4,673	38,056,110	12,961,000	1,994,000	2,289,664
7	Apr 5, 2025 16:33	4,673	31,031,004	12,960,000	1,993,000	2,289,664
8	Apr 5, 2025 16:33	4,675	38,240,274	13,962,000	997,000	2,289,664
9	Apr 5, 2025 16:32	4,675	39,966,351	13,962,000	997,000	2,289,664
10	Apr 5, 2025 16:33	4,675	40,386,977	12,966,000	1,994,000	2,289,664
11	Apr 5, 2025 16:33	4,679	39,654,521	12,978,000	1,996,000	2,273,280
12	Apr 5, 2025 16:30	4,682	38,341,350	12,985,000	1,997,000	2,289,664
13	Apr 5, 2025 16:33	4,684	35,630,956	13,989,000	999,000	2,289,664
14	Apr 5, 2025 16:32	4,685	31,520,741	12,993,000	1,999,000	2,289,664
15	Apr 5, 2025 16:32	4,685	37,265,868	13,992,000	999,000	2,523,136
16	Apr 5, 2025 16:32	4,687	30,694,285	12,998,000	1,999,000	2,523,136
17	Apr 5, 2025 16:33	4,690	32,947,466	13,006,000	2,001,000	2,289,664
18	Apr 5, 2025 16:30	4,690	34,057,745	14,008,000	1,000,000	2,289,664
19	Apr 5, 2025 16:32	4,691	32,106,232	13,010,000	2,001,000	2,289,664
20	Apr 5, 2025 16:31	4,694	32,639,988	13,018,000	2,002,000	2,289,664
21	Apr 5, 2025 16:32	4,696	32,122,960	13,024,000	2,003,000	2,527,232
22	Apr 5, 2025 16:31	4,697	39,681,654	13,026,000	2,004,000	2,269,184
23	Apr 5, 2025 16:32	4,698	32,395,666	14,033,000	1,002,000	2,273,280
24	Apr 5, 2025 16:32	4,699	36,804,740	13,032,000	2,004,000	2,289,664
25	Apr 5, 2025 16:32	4,703	37,210,014	14,045,000	1,003,000	2,289,664
26	Apr 5, 2025 16:32	4,704	34,710,211	14,049,000	1,003,000	2,289,664
27	Apr 5, 2025 16:31	4,705	38,597,834	13,050,000	2,007,000	2,527,232
28	Apr 5, 2025 16:32	4,706	30,246,315	13,052,000	2,008,000	2,269,184
29	Apr 5, 2025 16:32	4,706	39,302,629	13,051,000	2,007,000	2,289,664
30	Apr 5, 2025 16:33	4,708	33,373,121	13,058,000	2,009,000	2,265,088
31	Apr 5, 2025 16:32	4,711	41,820,207	14,071,000	1,005,000	2,269,184
32	Apr 5, 2025 16:31	4,712	33,972,934	13,069,000	2,010,000	2,527,232
33	Apr 5, 2025 16:32	4,713	32,162,404	13,072,000	2,011,000	2,523,136
34	Apr 5, 2025 16:30	4,713	31,815,211	13,070,000	2,010,000	2,289,664
35	Apr 5, 2025 16:31	4,714	37,965,728	14,081,000	1,005,000	2,289,664
36	Apr 5, 2025 16:32	4,718	32,716,448	13,085,000	2,013,000	2,285,568
37	Apr 5, 2025 16:32	4,719	29,996,489	14,096,000	1,006,000	2,269,184
38	Apr 5, 2025 16:33	4,723	38,859,873	13,100,000	2,015,000	2,289,664
39	Apr 5, 2025 16:32	4,735	32,408,768	14,143,000	1,010,000	2,289,664

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