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 listSep 3, 2022 22:01

Franek Korta

Score: 4,871

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 3, 2022 22:01	4,819	35,089,461	13,365,000	2,056,000	2,433,024
2	Sep 3, 2022 22:01	4,840	34,497,088	15,487,000	0	2,433,024
3	Sep 3, 2022 22:01	4,842	36,055,108	14,462,000	1,033,000	2,428,928
4	Sep 3, 2022 22:01	4,843	36,821,954	14,464,000	1,033,000	2,437,120
5	Sep 3, 2022 21:59	4,849	34,611,992	14,482,000	1,034,000	2,437,120
6	Sep 3, 2022 21:59	4,851	35,172,397	13,454,000	2,069,000	2,531,328
7	Sep 3, 2022 22:01	4,852	30,343,349	13,457,000	2,070,000	2,269,184
8	Sep 3, 2022 21:59	4,852	28,903,230	15,526,000	0	2,531,328
9	Sep 3, 2022 22:01	4,852	40,375,445	14,492,000	1,035,000	2,433,024
10	Sep 3, 2022 21:59	4,853	38,589,098	15,530,000	0	2,428,928
11	Sep 3, 2022 21:59	4,854	38,935,286	15,532,000	0	2,531,328
12	Sep 3, 2022 21:59	4,856	43,089,331	15,538,000	0	2,531,328
13	Sep 3, 2022 22:01	4,856	38,515,171	15,538,000	0	2,428,928
14	Sep 3, 2022 22:01	4,863	31,593,807	14,523,000	1,037,000	2,437,120
15	Sep 3, 2022 22:01	4,863	34,493,456	14,523,000	1,037,000	2,531,328
16	Sep 3, 2022 22:01	4,865	36,046,006	14,531,000	1,037,000	2,437,120
17	Sep 3, 2022 22:01	4,866	31,322,042	15,571,000	0	2,269,184
18	Sep 3, 2022 22:01	4,867	30,375,030	15,574,000	0	2,433,024
19	Sep 3, 2022 22:01	4,871	42,240,487	14,547,000	1,039,000	2,416,640
20	Sep 3, 2022 21:59	4,871	43,864,969	14,548,000	1,039,000	2,269,184
21	Sep 3, 2022 22:01	4,872	37,061,110	14,552,000	1,039,000	2,437,120
22	Sep 3, 2022 21:59	4,878	32,061,705	15,610,000	0	2,531,328
23	Sep 3, 2022 21:59	4,879	37,037,887	15,614,000	0	2,428,928
24	Sep 3, 2022 22:01	4,879	47,540,612	15,614,000	0	2,269,184
25	Sep 3, 2022 22:01	4,887	42,745,133	15,637,000	0	2,531,328
26	Sep 3, 2022 22:01	4,890	44,006,439	14,604,000	1,043,000	2,433,024
27	Sep 3, 2022 22:01	4,900	42,157,009	13,589,000	2,090,000	2,424,832
28	Sep 3, 2022 22:01	5,011	62,919,885	16,035,314	0	2,199,552
29	Sep 3, 2022 22:01	5,029	88,644,841	16,091,986	0	2,260,992
30	Sep 3, 2022 22:01	5,030	77,526,548	16,097,076	0	2,199,552
31	Sep 3, 2022 22:01	5,032	79,641,745	16,103,928	0	2,211,840
32	Sep 3, 2022 22:01	5,040	63,055,933	16,126,940	0	2,207,744
33	Sep 3, 2022 21:59	5,043	102,770,616	16,136,921	0	2,199,552
34	Sep 3, 2022 21:59	5,050	60,790,211	16,159,131	0	2,191,360
35	Sep 3, 2022 22:01	5,064	85,724,763	16,204,932	0	2,199,552
36	Sep 3, 2022 21:59	5,073	75,790,108	16,233,284	0	2,199,552

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