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 listMay 13, 2021 23:16

Yuriy Lyfenko

Score: 5,458

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 13, 2021 23:16	5,422	43,747,312	16,330,000	1,020,000	2,260,992
2	May 13, 2021 23:16	5,429	39,853,972	16,351,000	1,021,000	2,396,160
3	May 13, 2021 23:16	5,429	44,052,933	16,351,000	1,021,000	2,523,136
4	May 13, 2021 23:16	5,431	41,013,082	16,356,000	1,022,000	2,396,160
5	May 13, 2021 23:16	5,433	33,733,371	15,340,000	2,045,000	2,523,136
6	May 13, 2021 23:16	5,435	43,391,476	17,392,000	0	2,265,088
7	May 13, 2021 23:16	5,440	40,117,176	15,361,000	2,048,000	2,392,064
8	May 13, 2021 23:16	5,440	33,406,588	17,409,000	0	2,265,088
9	May 13, 2021 23:16	5,441	46,984,741	17,412,000	0	2,260,992
10	May 13, 2021 23:16	5,441	37,934,661	16,386,000	1,024,000	2,527,232
11	May 13, 2021 23:16	5,442	40,652,419	16,389,000	1,024,000	2,265,088
12	May 13, 2021 23:16	5,442	39,775,283	15,365,000	2,048,000	2,527,232
13	May 13, 2021 23:16	5,443	48,755,607	15,369,000	2,049,000	2,265,088
14	May 13, 2021 23:16	5,447	45,481,538	15,379,000	2,050,000	2,396,160
15	May 13, 2021 23:16	5,447	41,479,964	17,430,000	0	2,260,992
16	May 13, 2021 23:16	5,450	37,909,589	15,389,000	2,051,000	2,260,992
17	May 13, 2021 23:16	5,452	41,823,544	16,420,000	1,026,000	2,265,088
18	May 13, 2021 23:16	5,453	35,039,315	16,423,000	1,026,000	2,400,256
19	May 13, 2021 23:16	5,454	32,065,363	17,453,000	0	2,383,872
20	May 13, 2021 23:16	5,456	34,868,950	15,406,000	2,054,000	2,260,992
21	May 13, 2021 23:16	5,456	39,402,533	17,460,000	0	2,523,136
22	May 13, 2021 23:16	5,457	38,195,132	16,435,000	1,027,000	2,510,848
23	May 13, 2021 23:16	5,458	39,488,612	14,385,000	3,082,000	2,260,992
24	May 13, 2021 23:16	5,458	34,961,456	16,439,000	1,027,000	2,396,160
25	May 13, 2021 23:16	5,458	39,235,771	17,465,000	0	2,260,992
26	May 13, 2021 23:16	5,460	40,696,668	17,473,000	0	2,260,992
27	May 13, 2021 23:16	5,461	34,590,696	16,448,000	1,028,000	2,523,136
28	May 13, 2021 23:16	5,462	33,496,462	16,450,000	1,028,000	2,265,088
29	May 13, 2021 23:16	5,462	44,797,999	17,479,000	0	2,523,136
30	May 13, 2021 23:16	5,466	35,813,916	15,434,000	2,057,000	2,387,968
31	May 13, 2021 23:16	5,466	39,887,156	16,462,000	1,028,000	2,387,968
32	May 13, 2021 23:16	5,474	47,904,401	17,517,000	0	2,400,256
33	May 13, 2021 23:16	5,475	38,805,834	16,489,000	1,030,000	2,379,776
34	May 13, 2021 23:16	5,482	40,337,842	16,510,000	1,031,000	2,265,088
35	May 13, 2021 23:16	5,484	37,447,234	17,549,000	0	2,523,136
36	May 13, 2021 23:16	5,487	35,434,138	16,525,000	1,032,000	2,523,136
37	May 13, 2021 23:16	5,628	72,972,143	18,009,463	0	2,281,472
38	May 13, 2021 23:16	5,631	79,842,128	18,019,404	0	2,277,376
39	May 13, 2021 23:16	5,640	73,860,946	18,049,232	0	2,277,376
40	May 13, 2021 23:16	5,641	81,368,447	18,052,331	0	2,269,184
41	May 13, 2021 23:16	5,642	65,428,168	18,054,828	0	2,277,376
42	May 13, 2021 23:16	5,643	79,946,301	18,058,317	0	2,273,280
43	May 13, 2021 23:16	5,659	91,035,217	18,107,536	0	2,281,472
44	May 13, 2021 23:16	5,672	89,180,253	18,149,121	0	2,269,184
45	May 13, 2021 23:16	5,688	57,575,401	18,200,227	0	2,273,280
46	May 13, 2021 23:16	5,706	91,449,477	18,257,610	0	2,269,184
47	May 13, 2021 23:16	5,720	93,852,028	18,304,498	0	2,273,280
48	May 13, 2021 23:16	5,728	70,597,294	18,331,161	0	2,277,376

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