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 listJan 18, 2024 22:46

Franek Korta

Score: 4,709

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 18, 2024 22:45	4,656	29,746,870	12,912,000	1,986,000	2,445,312
2	Jan 18, 2024 22:45	4,658	41,122,712	13,912,000	993,000	2,531,328
3	Jan 18, 2024 22:47	4,659	36,681,462	13,915,000	993,000	2,437,120
4	Jan 18, 2024 22:47	4,660	37,035,861	13,917,000	994,000	2,269,184
5	Jan 18, 2024 22:45	4,665	36,103,043	13,933,000	995,000	2,449,408
6	Jan 18, 2024 22:45	4,666	32,724,909	12,940,000	1,990,000	2,531,328
7	Jan 18, 2024 22:47	4,667	34,789,752	12,944,000	1,991,000	2,269,184
8	Jan 18, 2024 22:47	4,671	33,818,689	13,951,000	996,000	2,531,328
9	Jan 18, 2024 22:47	4,674	33,326,855	12,963,000	1,994,000	2,445,312
10	Jan 18, 2024 22:47	4,675	32,495,025	13,964,000	997,000	2,531,328
11	Jan 18, 2024 22:45	4,677	32,170,588	12,972,000	1,995,000	2,531,328
12	Jan 18, 2024 22:45	4,681	30,757,409	13,982,000	998,000	2,531,328
13	Jan 18, 2024 22:47	4,684	32,603,855	13,989,000	999,000	2,269,184
14	Jan 18, 2024 22:47	4,688	33,203,089	14,003,000	1,000,000	2,531,328
15	Jan 18, 2024 22:45	4,688	38,462,834	13,003,000	2,000,000	2,531,328
16	Jan 18, 2024 22:47	4,690	44,427,250	14,008,000	1,000,000	2,531,328
17	Jan 18, 2024 22:45	4,690	30,806,470	14,008,000	1,000,000	2,531,328
18	Jan 18, 2024 22:46	4,694	36,008,092	14,020,000	1,001,000	2,269,184
19	Jan 18, 2024 22:46	4,695	27,693,485	14,023,000	1,001,000	2,445,312
20	Jan 18, 2024 22:45	4,707	28,399,468	14,057,000	1,004,000	2,445,312
21	Jan 18, 2024 22:46	4,707	42,991,468	14,058,000	1,004,000	2,531,328
22	Jan 18, 2024 22:46	4,708	33,896,934	14,063,000	1,004,000	2,531,328
23	Jan 18, 2024 22:46	4,708	34,325,221	14,060,000	1,004,000	2,531,328
24	Jan 18, 2024 22:46	4,709	32,147,187	14,064,000	1,004,000	2,269,184
25	Jan 18, 2024 22:46	4,709	28,334,570	14,066,000	1,004,000	2,445,312
26	Jan 18, 2024 22:46	4,710	31,779,971	14,067,000	1,004,000	2,441,216
27	Jan 18, 2024 22:46	4,710	41,379,268	13,062,000	2,009,000	2,531,328
28	Jan 18, 2024 22:46	4,714	37,309,789	14,080,000	1,005,000	2,449,408
29	Jan 18, 2024 22:46	4,718	32,909,471	14,090,000	1,006,000	2,441,216
30	Jan 18, 2024 22:46	4,721	27,678,562	14,100,000	1,007,000	2,437,120
31	Jan 18, 2024 22:46	4,722	36,941,452	14,102,000	1,007,000	2,269,184
32	Jan 18, 2024 22:46	4,737	38,790,528	14,148,000	1,010,000	2,445,312
33	Jan 18, 2024 22:46	4,737	29,614,535	14,148,000	1,010,000	2,449,408
34	Jan 18, 2024 22:46	4,738	40,138,296	12,129,000	3,032,000	2,269,184
35	Jan 18, 2024 22:46	4,740	28,685,760	14,156,000	1,011,000	2,531,328
36	Jan 18, 2024 22:46	4,746	31,108,237	14,175,000	1,012,000	2,531,328
37	Jan 18, 2024 22:45	4,896	112,953,432	15,667,067	0	2,211,840
38	Jan 18, 2024 22:45	4,916	79,195,854	15,731,213	0	2,199,552
39	Jan 18, 2024 22:47	4,921	84,023,752	15,746,413	0	2,199,552
40	Jan 18, 2024 22:47	4,928	68,465,779	15,771,023	0	2,191,360
41	Jan 18, 2024 22:47	4,938	93,587,376	15,801,596	0	2,211,840
42	Jan 18, 2024 22:45	4,941	90,168,183	15,811,310	0	2,207,744
43	Jan 18, 2024 22:46	4,964	85,810,811	15,885,513	0	2,207,744
44	Jan 18, 2024 22:46	4,965	80,074,538	15,888,318	0	2,203,648
45	Jan 18, 2024 22:46	4,968	98,954,128	15,896,522	0	2,207,744
46	Jan 18, 2024 22:46	4,976	78,541,176	15,923,568	0	2,211,840
47	Jan 18, 2024 22:46	4,986	74,841,972	15,955,704	0	2,207,744
48	Jan 18, 2024 22:46	4,992	93,820,511	15,973,103	0	2,199,552

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