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 21, 2024 14:20

Matt Stuchlik

Score: 5,513

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 21, 2024 14:22	5,419	44,202,371	15,302,000	2,040,000	2,265,088
2	Jul 21, 2024 14:22	5,426	44,485,893	17,362,000	0	2,289,664
3	Jul 21, 2024 14:22	5,434	34,867,405	15,343,000	2,045,000	2,289,664
4	Jul 21, 2024 14:22	5,435	40,226,101	15,347,000	2,046,000	2,371,584
5	Jul 21, 2024 14:21	5,437	34,356,674	17,397,000	0	2,265,088
6	Jul 21, 2024 14:21	5,443	39,439,031	16,394,000	1,024,000	2,383,872
7	Jul 21, 2024 14:21	5,448	34,549,384	16,408,000	1,025,000	2,289,664
8	Jul 21, 2024 14:21	5,448	44,928,029	16,407,000	1,025,000	2,289,664
9	Jul 21, 2024 14:22	5,451	38,800,461	16,418,000	1,026,000	2,265,088
10	Jul 21, 2024 14:22	5,453	42,011,214	16,422,000	1,026,000	2,527,232
11	Jul 21, 2024 14:22	5,458	45,208,625	16,438,000	1,027,000	2,273,280
12	Jul 21, 2024 14:22	5,462	43,327,627	16,451,000	1,028,000	2,269,184
13	Jul 21, 2024 14:21	5,463	33,333,169	16,452,000	1,028,000	2,289,664
14	Jul 21, 2024 14:21	5,463	39,296,407	16,452,000	1,028,000	2,523,136
15	Jul 21, 2024 14:21	5,469	39,991,846	16,471,000	1,029,000	2,269,184
16	Jul 21, 2024 14:21	5,478	33,623,097	17,531,000	0	2,371,584
17	Jul 21, 2024 14:22	5,482	42,938,009	16,510,000	1,031,000	2,289,664
18	Jul 21, 2024 14:22	5,496	39,007,065	17,588,000	0	2,265,088
19	Jul 21, 2024 14:22	5,499	48,174,809	16,561,000	1,035,000	2,273,280
20	Jul 21, 2024 14:22	5,500	44,639,254	17,601,000	0	2,289,664
21	Jul 21, 2024 14:22	5,504	36,039,295	17,612,000	0	2,293,760
22	Jul 21, 2024 14:22	5,505	40,507,219	16,581,000	1,036,000	2,269,184
23	Jul 21, 2024 14:22	5,507	46,558,754	16,585,000	1,036,000	2,289,664
24	Jul 21, 2024 14:20	5,508	43,897,113	16,588,000	1,036,000	2,289,664
25	Jul 21, 2024 14:21	5,513	49,625,237	17,640,000	0	2,289,664
26	Jul 21, 2024 14:20	5,517	42,925,611	16,615,000	1,038,000	2,269,184
27	Jul 21, 2024 14:20	5,517	44,927,494	16,617,000	1,038,000	2,289,664
28	Jul 21, 2024 14:20	5,520	38,918,978	16,625,000	1,039,000	2,289,664
29	Jul 21, 2024 14:20	5,524	47,830,480	16,639,000	1,039,000	2,289,664
30	Jul 21, 2024 14:22	5,531	44,826,752	16,657,000	1,041,000	2,289,664
31	Jul 21, 2024 14:20	5,537	38,504,333	17,718,000	0	2,273,280
32	Jul 21, 2024 14:22	5,539	47,991,284	17,724,000	0	2,273,280
33	Jul 21, 2024 14:20	5,581	33,738,843	16,867,000	992,000	2,523,136
34	Jul 21, 2024 14:20	5,582	48,756,729	16,870,000	992,000	2,289,664
35	Jul 21, 2024 14:20	5,583	48,602,477	16,875,000	992,000	2,351,104
36	Jul 21, 2024 14:22	5,587	45,380,304	15,893,000	1,986,000	2,289,664
37	Jul 21, 2024 14:22	5,645	92,768,905	18,062,825	0	2,174,976
38	Jul 21, 2024 14:21	5,677	94,406,040	18,167,913	0	2,174,976
39	Jul 21, 2024 14:21	5,677	98,735,333	18,166,281	0	2,183,168
40	Jul 21, 2024 14:22	5,678	82,082,517	18,170,901	0	2,289,664
41	Jul 21, 2024 14:22	5,682	77,804,108	18,182,205	0	2,174,976
42	Jul 21, 2024 14:22	5,704	82,278,193	18,252,431	0	2,256,896
43	Jul 21, 2024 14:21	5,707	99,880,861	18,262,827	0	2,297,856
44	Jul 21, 2024 14:22	5,712	88,262,782	18,279,043	0	2,293,760
45	Jul 21, 2024 14:20	5,753	72,175,595	18,408,565	0	2,174,976
46	Jul 21, 2024 14:22	5,756	78,511,459	18,418,346	0	2,179,072
47	Jul 21, 2024 14:20	5,759	95,409,775	18,429,192	0	2,297,856
48	Jul 21, 2024 14:20	5,779	79,240,639	18,492,002	0	2,306,048

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