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 listAug 31, 2024 08:08

AnSa

Score: 4,699

Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 31, 2024 08:08	5	31,013,772	11,020	4,007	2,527,232
2	Aug 31, 2024 08:08	5	48,456,799	14,932	995	2,527,232
3	Aug 31, 2024 08:08	5	28,368,282	11,022	4,008	2,527,232
4	Aug 31, 2024 08:08	4,666	33,084,356	12,941,000	1,991,000	2,269,184
5	Jun 30, 2024 13:28	4,676	30,645,708	13,967,000	997,000	2,269,184
6	Aug 31, 2024 08:08	4,679	44,445,718	13,976,000	998,000	2,494,464
7	Jun 30, 2024 13:28	4,681	41,614,963	12,983,000	1,997,000	2,494,464
8	Aug 31, 2024 08:08	4,688	48,724,511	14,002,000	1,000,000	2,527,232
9	Jun 30, 2024 13:28	4,691	31,581,950	12,010,000	3,002,000	2,531,328
10	Aug 31, 2024 08:08	4,691	36,568,782	14,011,000	1,000,000	2,531,328
11	Jun 30, 2024 13:28	4,692	31,540,073	13,012,000	2,001,000	2,531,328
12	Jun 30, 2024 13:28	4,692	32,862,436	13,012,000	2,001,000	2,531,328
13	Jun 30, 2024 13:28	4,693	34,028,285	12,015,000	3,003,000	2,269,184
14	Aug 31, 2024 08:08	4,696	35,450,751	13,023,000	2,003,000	2,527,232
15	Jun 30, 2024 13:28	4,697	31,196,677	14,028,000	1,002,000	2,531,328
16	Aug 31, 2024 08:08	4,699	30,381,947	14,035,000	1,002,000	2,527,232
17	Aug 31, 2024 08:08	4,699	36,281,778	14,036,000	1,002,000	2,269,184
18	Aug 31, 2024 08:08	4,699	40,174,282	12,030,000	3,007,000	2,527,232
19	Aug 31, 2024 08:08	4,700	30,370,022	14,038,000	1,002,000	2,490,368
20	Aug 31, 2024 08:08	4,702	32,029,011	14,042,000	1,003,000	2,265,088
21	Aug 31, 2024 08:08	4,709	30,962,584	14,064,000	1,004,000	2,531,328
22	Aug 31, 2024 08:08	4,714	40,124,488	14,080,000	1,005,000	2,531,328
23	Jun 30, 2024 13:28	4,714	34,592,847	14,081,000	1,005,000	2,531,328
24	Aug 31, 2024 08:08	4,715	35,664,069	12,071,000	3,017,000	2,498,560
25	Jun 30, 2024 13:28	4,716	29,845,928	13,078,000	2,012,000	2,531,328
26	Aug 31, 2024 08:08	4,718	35,590,335	14,092,000	1,006,000	2,498,560
27	Aug 31, 2024 08:08	4,726	29,939,920	14,114,000	1,008,000	2,269,184
28	Jun 30, 2024 13:28	4,911	70,497,318	15,714,491	0	2,244,608
29	Jun 30, 2024 13:28	4,926	76,407,273	15,764,133	0	2,248,704
30	Jun 30, 2024 13:28	4,972	98,812,981	15,911,439	0	2,248,704

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