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 16, 2021 18:15

Yuriy Lyfenko

Score: 5,650

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 18:15	5,411	1,889,437,048	16,298,000	1,018,000	2,523,136
2	May 16, 2021 18:15	5,413	694,214,819	15,396,000	1,924,000	2,265,088
3	May 16, 2021 18:15	5,414	1,320,553,750	16,363,000	962,000	2,523,136
4	May 16, 2021 18:15	5,415	2,009,892,134	16,308,000	1,019,000	2,519,040
5	May 16, 2021 18:15	5,417	61,688,133	16,372,000	963,000	2,265,088
6	May 16, 2021 18:15	5,417	777,169,618	16,371,000	963,000	2,260,992
7	May 16, 2021 18:15	5,419	682,239,111	16,378,000	963,000	2,519,040
8	May 16, 2021 18:15	5,423	1,493,763,405	16,334,000	1,020,000	2,523,136
9	May 16, 2021 18:15	5,424	727,886,166	16,337,000	1,021,000	2,269,184
10	May 16, 2021 18:15	5,431	906,099,113	15,335,000	2,044,000	2,514,944
11	May 16, 2021 18:15	5,437	1,423,330,230	17,399,000	0	2,392,064
12	May 16, 2021 18:15	5,438	1,122,470,466	17,402,000	0	2,260,992
13	May 16, 2021 18:15	5,447	330,711,532	15,495,000	1,936,000	2,519,040
14	May 16, 2021 18:15	5,448	751,268,464	13,559,000	3,874,000	2,523,136
15	May 16, 2021 18:15	5,451	1,450,447,625	17,442,000	0	2,523,136
16	May 16, 2021 18:15	5,457	194,027,273	17,461,000	0	2,269,184
17	May 16, 2021 18:15	5,471	2,022,784,525	16,535,000	972,000	2,523,136
18	May 16, 2021 18:15	5,512	594,430,536	14,699,000	2,939,000	2,260,992
19	May 16, 2021 18:15	5,618	1,144,394,193	17,977,848	0	2,277,376
20	May 16, 2021 18:15	5,624	2,055,341,556	17,997,565	0	2,281,472
21	May 16, 2021 18:15	5,640	475,339,656	18,046,840	0	2,281,472
22	May 16, 2021 18:15	5,640	365,325,538	18,046,775	0	2,277,376
23	May 16, 2021 18:15	5,641	1,908,904,709	17,100,000	950,000	2,523,136
24	May 16, 2021 18:15	5,648	1,702,826,746	16,065,000	2,008,000	2,260,992
25	May 16, 2021 18:15	5,650	1,777,083,418	17,076,000	1,004,000	2,523,136
26	May 16, 2021 18:15	5,653	1,918,605,927	18,089,362	0	2,281,472
27	May 16, 2021 18:15	5,655	1,329,680,729	17,145,000	952,000	2,523,136
28	May 16, 2021 18:15	5,656	891,569,791	16,088,000	2,011,000	2,519,040
29	May 16, 2021 18:15	5,657	1,153,723,570	18,102,887	0	2,281,472
30	May 16, 2021 18:15	5,658	320,649,009	18,105,000	0	2,265,088
31	May 16, 2021 18:15	5,660	600,006,015	17,107,000	1,006,000	2,260,992
32	May 16, 2021 18:15	5,660	690,265,730	16,101,000	2,012,000	2,265,088
33	May 16, 2021 18:15	5,661	1,122,850,372	16,102,000	2,012,000	2,523,136
34	May 16, 2021 18:15	5,662	661,196,298	16,104,000	2,013,000	2,523,136
35	May 16, 2021 18:15	5,663	218,947,398	17,117,000	1,006,000	2,392,064
36	May 16, 2021 18:15	5,670	1,289,951,648	17,136,000	1,008,000	2,387,968
37	May 16, 2021 18:15	5,674	798,996,425	16,141,000	2,017,000	2,265,088
38	May 16, 2021 18:15	5,684	218,392,337	17,178,000	1,010,000	2,523,136
39	May 16, 2021 18:15	5,687	882,076,550	17,242,000	957,000	2,523,136
40	May 16, 2021 18:15	5,690	263,200,731	18,207,000	0	2,519,040
41	May 16, 2021 18:15	5,695	1,132,284,232	16,305,000	1,918,000	2,523,136
42	May 16, 2021 18:15	5,699	327,151,718	17,225,000	1,013,000	2,527,232
43	May 16, 2021 18:15	6,107	640,570,643	19,541,231	0	2,277,376
44	May 16, 2021 18:15	6,120	210,241,558	19,584,591	0	2,281,472
45	May 16, 2021 18:15	6,120	644,520,763	19,585,459	0	2,285,568
46	May 16, 2021 18:15	6,127	1,488,093,555	19,606,091	0	2,285,568
47	May 16, 2021 18:15	6,158	1,039,509,916	19,706,283	0	2,285,568
48	May 16, 2021 18:15	6,174	850,297,325	19,757,178	0	2,277,376

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