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 24, 2024 01:21

emily grace

Score: 4,959

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 24, 2024 01:22	4,704	38,182,355	13,046,000	2,007,000	2,289,664
2	Jul 24, 2024 01:22	4,704	37,357,605	13,046,000	2,007,000	2,289,664
3	Jul 24, 2024 01:22	4,710	38,591,669	13,064,000	2,009,000	2,265,088
4	Jul 24, 2024 01:22	4,713	36,460,189	13,072,000	2,011,000	2,289,664
5	Jul 24, 2024 01:22	4,718	40,018,629	13,086,000	2,013,000	2,277,376
6	Jul 24, 2024 01:22	4,722	42,250,652	13,095,000	2,014,000	2,277,376
7	Jul 24, 2024 01:22	4,734	31,203,569	15,148,000	0	2,277,376
8	Jul 24, 2024 01:22	4,745	36,842,683	13,161,000	2,024,000	2,289,664
9	Jul 24, 2024 01:22	4,750	38,601,698	13,174,000	2,026,000	2,281,472
10	Jul 24, 2024 01:22	4,801	31,115,714	14,339,000	1,024,000	2,285,568
11	Jul 24, 2024 01:22	4,804	30,339,578	14,348,000	1,024,000	2,277,376
12	Jul 24, 2024 01:22	4,805	36,785,499	15,377,000	0	2,289,664
13	Jul 24, 2024 01:22	4,806	34,727,106	13,328,000	2,050,000	2,289,664
14	Jul 24, 2024 01:22	4,811	37,213,308	15,396,000	0	2,281,472
15	Jul 24, 2024 01:22	4,831	43,535,511	14,430,000	1,030,000	2,273,280
16	Jul 24, 2024 01:22	4,835	35,095,755	14,440,000	1,031,000	2,289,664
17	Jul 24, 2024 01:22	4,843	33,220,750	14,463,000	1,033,000	2,531,328
18	Jul 24, 2024 01:22	4,862	35,581,473	14,522,000	1,037,000	2,355,200
19	Jul 24, 2024 01:21	4,959	48,962,382	13,886,000	1,983,000	2,269,184
20	Jul 24, 2024 01:21	4,960	42,113,059	15,873,000	0	2,281,472
21	Jul 24, 2024 01:21	4,969	31,928,877	13,913,000	1,987,000	2,273,280
22	Jul 24, 2024 01:21	4,971	32,207,176	14,847,000	1,060,000	2,289,664
23	Jul 24, 2024 01:21	4,976	42,732,482	13,933,000	1,990,000	2,289,664
24	Jul 24, 2024 01:21	4,976	36,016,848	14,863,000	1,061,000	2,277,376
25	Jul 24, 2024 01:22	4,979	87,478,052	15,931,999	0	2,297,856
26	Jul 24, 2024 01:21	4,980	37,841,676	13,945,000	1,992,000	2,289,664
27	Jul 24, 2024 01:22	4,994	88,096,482	15,980,200	0	2,174,976
28	Jul 24, 2024 01:21	5,003	36,842,630	15,010,000	1,000,000	2,289,664
29	Jul 24, 2024 01:21	5,006	33,151,616	15,018,000	1,001,000	2,273,280
30	Jul 24, 2024 01:22	5,025	92,194,328	16,078,425	0	2,297,856
31	Jul 24, 2024 01:22	5,042	80,799,664	16,132,866	0	2,293,760
32	Jul 24, 2024 01:22	5,060	54,330,755	16,190,552	0	2,289,664
33	Jul 24, 2024 01:22	5,076	89,717,399	16,241,930	0	2,301,952
34	Jul 24, 2024 01:21	5,191	75,617,946	16,611,148	0	2,301,952
35	Jul 24, 2024 01:21	5,224	86,623,845	16,718,246	0	2,297,856
36	Jul 24, 2024 01:21	5,224	53,198,640	16,716,846	0	2,285,568

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