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 13, 2021 19:54

Yuriy Lyfenko

Score: 5,670

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 13, 2021 19:53	5,618	543,158,395	15,982,000	1,997,000	2,330,624
2	Jul 13, 2021 19:54	5,623	543,297,552	14,995,000	2,999,000	2,342,912
3	Jul 13, 2021 19:54	5,627	546,614,466	16,006,000	2,000,000	2,330,624
4	Jul 13, 2021 19:53	5,628	575,269,659	18,008,571	0	2,256,896
5	Jul 13, 2021 19:53	5,628	546,617,558	16,009,000	2,001,000	2,330,624
6	Jul 13, 2021 19:53	5,628	542,781,758	15,008,000	3,001,000	2,519,040
7	Jul 13, 2021 19:53	5,634	542,328,571	16,025,000	2,003,000	2,519,040
8	Jul 13, 2021 19:53	5,636	540,961,548	15,029,000	3,005,000	2,330,624
9	Jul 13, 2021 19:53	5,637	545,366,477	15,033,000	3,006,000	2,334,720
10	Jul 13, 2021 19:53	5,641	549,037,664	16,046,000	2,005,000	2,523,136
11	Jul 13, 2021 19:53	5,644	546,953,550	15,050,000	3,010,000	2,523,136
12	Jul 13, 2021 19:53	5,645	542,209,063	17,061,000	1,003,000	2,334,720
13	Jul 13, 2021 19:53	5,655	548,555,351	16,087,000	2,010,000	2,519,040
14	Jul 13, 2021 19:53	5,657	546,904,127	16,090,000	2,011,000	2,527,232
15	Jul 13, 2021 19:53	5,658	544,967,897	15,088,000	3,017,000	2,330,624
16	Jul 13, 2021 19:53	5,663	545,756,356	16,108,000	2,013,000	2,322,432
17	Jul 13, 2021 19:53	5,663	543,084,616	15,100,000	3,020,000	2,514,944
18	Jul 13, 2021 19:53	5,663	542,989,769	15,101,000	3,020,000	2,330,624
19	Jul 13, 2021 19:54	5,663	544,999,046	16,109,000	2,013,000	2,330,624
20	Jul 13, 2021 19:53	5,664	545,844,113	15,104,000	3,020,000	2,330,624
21	Jul 13, 2021 19:53	5,668	545,674,781	15,114,000	3,022,000	2,527,232
22	Jul 13, 2021 19:53	5,668	541,137,574	16,122,000	2,015,000	2,330,624
23	Jul 13, 2021 19:53	5,668	540,956,607	16,121,000	2,015,000	2,334,720
24	Jul 13, 2021 19:53	5,669	539,018,227	16,127,000	2,015,000	2,330,624
25	Jul 13, 2021 19:54	5,670	541,112,283	15,120,000	3,024,000	2,330,624
26	Jul 13, 2021 19:53	5,675	542,246,676	16,142,000	2,017,000	2,330,624
27	Jul 13, 2021 19:53	5,676	541,179,368	16,145,000	2,018,000	2,330,624
28	Jul 13, 2021 19:53	5,677	579,840,931	18,166,807	0	2,220,032
29	Jul 13, 2021 19:53	5,678	579,704,311	18,169,397	0	2,224,128
30	Jul 13, 2021 19:53	5,685	542,727,770	15,161,000	3,032,000	2,330,624
31	Jul 13, 2021 19:53	5,685	539,493,076	15,161,000	3,032,000	2,334,720
32	Jul 13, 2021 19:54	5,685	571,645,908	18,192,846	0	2,228,224
33	Jul 13, 2021 19:54	5,686	540,872,166	15,162,000	3,032,000	2,330,624
34	Jul 13, 2021 19:53	5,687	594,350,376	18,196,982	0	2,224,128
35	Jul 13, 2021 19:53	5,690	574,693,894	18,208,613	0	2,256,896
36	Jul 13, 2021 19:54	5,690	542,607,433	16,185,000	2,023,000	2,330,624
37	Jul 13, 2021 19:54	5,695	545,031,863	16,200,000	2,025,000	2,334,720
38	Jul 13, 2021 19:54	5,696	543,305,562	15,190,000	3,038,000	2,330,624
39	Jul 13, 2021 19:54	5,696	572,879,608	18,226,107	0	2,236,416
40	Jul 13, 2021 19:54	5,697	540,329,490	16,205,000	2,025,000	2,330,624
41	Jul 13, 2021 19:53	5,701	581,784,533	18,242,906	0	2,256,896
42	Jul 13, 2021 19:53	5,718	538,252,722	17,280,000	1,016,000	2,334,720
43	Jul 13, 2021 19:53	5,725	541,130,080	16,284,000	2,035,000	2,523,136
44	Jul 13, 2021 19:53	5,730	574,022,085	18,336,218	0	2,228,224
45	Jul 13, 2021 19:53	5,736	541,995,484	16,316,000	2,039,000	2,330,624
46	Jul 13, 2021 19:53	5,739	602,472,674	18,363,290	0	2,215,936
47	Jul 13, 2021 19:53	5,748	573,964,064	18,392,843	0	2,256,896
48	Jul 13, 2021 19:54	5,752	590,911,050	18,407,225	0	2,256,896

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