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 17, 2024 17:54

Joad Nacer

Score: 4,872

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 17, 2024 17:54	4,828	30,858,350	14,421,000	1,030,000	2,269,184
2	Apr 17, 2024 17:52	4,830	39,316,149	14,425,000	1,030,000	2,289,664
3	Apr 17, 2024 17:59	4,831	35,752,483	14,429,000	1,030,000	2,289,664
4	Apr 17, 2024 17:54	4,838	36,502,938	15,483,000	0	2,289,664
5	Apr 17, 2024 17:55	4,838	33,660,163	14,451,000	1,032,000	2,289,664
6	Apr 17, 2024 17:52	4,841	41,391,108	14,460,000	1,032,000	2,289,664
7	Apr 17, 2024 17:55	4,842	38,767,951	14,461,000	1,032,000	2,371,584
8	Apr 17, 2024 17:55	4,844	35,431,224	14,469,000	1,033,000	2,289,664
9	Apr 17, 2024 17:52	4,846	32,279,032	14,473,000	1,033,000	2,289,664
10	Apr 17, 2024 17:59	4,846	37,013,268	14,475,000	1,033,000	2,289,664
11	Apr 17, 2024 17:54	4,849	32,759,503	14,483,000	1,034,000	2,289,664
12	Apr 17, 2024 17:59	4,850	41,740,113	15,520,000	0	2,523,136
13	Apr 17, 2024 17:55	4,851	31,314,177	14,489,000	1,034,000	2,277,376
14	Apr 17, 2024 17:55	4,851	35,630,385	14,488,000	1,034,000	2,527,232
15	Apr 17, 2024 17:54	4,852	38,845,181	15,527,000	0	2,531,328
16	Apr 17, 2024 17:52	4,853	38,954,917	14,493,000	1,035,000	2,289,664
17	Apr 17, 2024 17:59	4,854	37,081,634	14,499,000	1,035,000	2,269,184
18	Apr 17, 2024 17:52	4,855	31,713,714	14,501,000	1,035,000	2,273,280
19	Apr 17, 2024 17:59	4,857	31,388,375	14,507,000	1,036,000	2,289,664
20	Apr 17, 2024 17:52	4,859	31,661,561	14,577,000	971,000	2,523,136
21	Apr 17, 2024 17:55	4,862	42,351,958	14,522,000	1,037,000	2,273,280
22	Apr 17, 2024 17:52	4,864	36,786,752	14,528,000	1,037,000	2,523,136
23	Apr 17, 2024 17:52	4,867	39,593,187	14,537,000	1,038,000	2,269,184
24	Apr 17, 2024 17:54	4,868	39,118,040	14,541,000	1,038,000	2,519,040
25	Apr 17, 2024 17:54	4,872	41,726,248	14,552,000	1,039,000	2,277,376
26	Apr 17, 2024 17:59	4,873	33,476,497	15,594,000	0	2,273,280
27	Apr 17, 2024 17:54	4,874	32,624,833	14,557,000	1,039,000	2,289,664
28	Apr 17, 2024 17:59	4,876	32,202,599	14,564,000	1,040,000	2,289,664
29	Apr 17, 2024 17:59	4,878	39,129,304	15,610,000	0	2,289,664
30	Apr 17, 2024 17:54	4,878	34,134,154	14,568,000	1,040,000	2,289,664
31	Apr 17, 2024 17:52	4,879	32,512,754	14,572,000	1,040,000	2,281,472
32	Apr 17, 2024 17:55	4,883	42,312,497	14,584,000	1,041,000	2,523,136
33	Apr 17, 2024 17:54	4,888	33,525,564	14,599,000	1,042,000	2,289,664
34	Apr 17, 2024 17:55	4,893	46,189,955	14,613,000	1,043,000	2,289,664
35	Apr 17, 2024 17:55	4,895	44,289,033	14,621,000	1,044,000	2,531,328
36	Apr 17, 2024 17:59	4,905	41,340,825	15,696,000	0	2,359,296
37	Apr 17, 2024 17:59	5,037	96,871,005	16,117,202	0	2,301,952
38	Apr 17, 2024 17:54	5,041	81,042,069	16,130,549	0	2,301,952
39	Apr 17, 2024 17:55	5,047	80,924,108	16,149,338	0	2,174,976
40	Apr 17, 2024 17:59	5,053	77,016,204	16,169,510	0	2,187,264
41	Apr 17, 2024 17:55	5,057	87,373,015	16,183,430	0	2,297,856
42	Apr 17, 2024 17:52	5,067	82,744,960	16,213,849	0	2,301,952
43	Apr 17, 2024 17:54	5,067	94,551,367	16,213,037	0	2,187,264
44	Apr 17, 2024 17:59	5,072	83,012,528	16,230,698	0	2,179,072
45	Apr 17, 2024 17:55	5,094	88,982,513	16,300,543	0	2,301,952
46	Apr 17, 2024 17:54	5,105	81,246,152	16,337,556	0	2,285,568
47	Apr 17, 2024 17:52	5,115	100,793,080	16,366,984	0	2,179,072
48	Apr 17, 2024 17:52	5,130	86,322,923	16,416,726	0	2,174,976

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