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 listJun 2, 2024 10:26

matsuoka-601

Score: 4,651

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 2, 2024 10:26	4,602	30,199,754	13,674,000	1,051,000	2,285,568
2	Jun 2, 2024 10:26	4,634	31,534,025	12,853,000	1,977,000	2,404,352
3	Jun 2, 2024 10:26	4,634	33,627,177	13,840,000	988,000	2,285,568
4	Jun 2, 2024 10:26	4,636	29,242,019	13,847,000	989,000	2,408,448
5	Jun 2, 2024 10:26	4,645	33,910,448	12,883,000	1,982,000	2,285,568
6	Jun 2, 2024 10:26	4,646	30,890,650	12,884,000	1,982,000	2,285,568
7	Jun 2, 2024 10:26	4,646	45,794,240	13,877,000	991,000	2,285,568
8	Jun 2, 2024 10:26	4,647	38,036,535	14,869,000	0	2,285,568
9	Jun 2, 2024 10:26	4,647	32,620,231	14,869,000	0	2,400,256
10	Jun 2, 2024 10:26	4,647	36,771,684	12,888,000	1,982,000	2,404,352
11	Jun 2, 2024 10:26	4,648	37,696,137	13,881,000	991,000	2,285,568
12	Jun 2, 2024 10:26	4,648	39,947,093	13,882,000	991,000	2,285,568
13	Jun 2, 2024 10:26	4,648	31,610,389	12,892,000	1,983,000	2,400,256
14	Jun 2, 2024 10:26	4,649	31,668,042	13,885,000	991,000	2,265,088
15	Jun 2, 2024 10:26	4,649	41,682,730	13,885,000	991,000	2,285,568
16	Jun 2, 2024 10:26	4,649	33,961,431	12,894,000	1,983,000	2,396,160
17	Jun 2, 2024 10:26	4,649	41,824,282	12,894,000	1,983,000	2,285,568
18	Jun 2, 2024 10:26	4,650	38,184,726	13,889,000	992,000	2,396,160
19	Jun 2, 2024 10:26	4,650	30,425,126	12,896,000	1,984,000	2,285,568
20	Jun 2, 2024 10:26	4,650	36,226,354	12,897,000	1,984,000	2,285,568
21	Jun 2, 2024 10:26	4,650	37,692,013	13,889,000	992,000	2,285,568
22	Jun 2, 2024 10:26	4,651	42,250,239	12,899,000	1,984,000	2,285,568
23	Jun 2, 2024 10:26	4,651	30,905,903	13,892,000	992,000	2,408,448
24	Jun 2, 2024 10:26	4,651	30,470,651	12,899,000	1,984,000	2,285,568
25	Jun 2, 2024 10:26	4,651	36,865,384	12,898,000	1,984,000	2,285,568
26	Jun 2, 2024 10:26	4,651	35,477,402	13,892,000	992,000	2,285,568
27	Jun 2, 2024 10:26	4,653	31,195,300	13,897,000	992,000	2,412,544
28	Jun 2, 2024 10:26	4,654	40,012,255	12,908,000	1,985,000	2,396,160
29	Jun 2, 2024 10:26	4,654	37,000,323	13,900,000	992,000	2,404,352
30	Jun 2, 2024 10:26	4,655	45,979,214	13,902,000	993,000	2,285,568
31	Jun 2, 2024 10:26	4,655	36,843,686	12,910,000	1,986,000	2,285,568
32	Jun 2, 2024 10:26	4,658	37,780,131	13,912,000	993,000	2,404,352
33	Jun 2, 2024 10:26	4,668	29,532,607	12,945,000	1,991,000	2,408,448
34	Jun 2, 2024 10:26	4,669	33,322,926	13,944,000	996,000	2,285,568
35	Jun 2, 2024 10:26	4,672	43,492,467	12,957,000	1,993,000	2,285,568
36	Jun 2, 2024 10:26	4,692	31,666,035	13,012,000	2,001,000	2,285,568
37	Jun 2, 2024 10:26	4,856	81,677,066	15,538,084	0	2,174,976
38	Jun 2, 2024 10:26	4,869	82,505,116	15,579,296	0	2,297,856
39	Jun 2, 2024 10:26	4,869	86,369,320	15,581,204	0	2,301,952
40	Jun 2, 2024 10:26	4,886	88,542,282	15,634,943	0	2,301,952
41	Jun 2, 2024 10:26	4,889	84,463,997	15,644,255	0	2,301,952
42	Jun 2, 2024 10:26	4,895	61,040,995	15,663,970	0	2,297,856
43	Jun 2, 2024 10:26	4,895	80,668,694	15,662,832	0	2,301,952
44	Jun 2, 2024 10:26	4,897	88,513,105	15,670,061	0	2,179,072
45	Jun 2, 2024 10:26	4,902	56,677,039	15,686,316	0	2,179,072
46	Jun 2, 2024 10:26	4,906	93,951,168	15,700,585	0	2,174,976
47	Jun 2, 2024 10:26	4,915	81,220,380	15,727,903	0	2,174,976
48	Jun 2, 2024 10:26	4,925	68,525,834	15,758,537	0	2,301,952

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