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 22, 2021 16:34

Andrey Tsvetkov

Score: 6,015

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 22, 2021 16:34	5,953	35,130,382	16,043,000	3,008,000	2,514,944
2	May 22, 2021 16:35	5,958	46,039,006	17,060,000	2,007,000	2,506,752
3	May 22, 2021 16:34	5,959	49,064,337	16,059,000	3,011,000	2,519,040
4	May 22, 2021 16:34	5,964	33,614,304	16,071,000	3,013,000	2,334,720
5	May 22, 2021 16:35	5,966	45,292,854	16,078,000	3,014,000	2,334,720
6	May 22, 2021 16:35	5,969	46,265,728	15,079,000	4,021,000	2,392,064
7	May 22, 2021 16:34	5,973	40,355,437	15,091,000	4,024,000	2,334,720
8	May 22, 2021 16:34	5,973	46,265,718	17,103,000	2,012,000	2,334,720
9	May 22, 2021 16:35	5,978	32,582,970	16,111,000	3,020,000	2,523,136
10	May 22, 2021 16:34	5,978	38,055,796	16,110,000	3,020,000	2,334,720
11	May 22, 2021 16:35	5,978	47,733,301	16,111,000	3,020,000	2,326,528
12	May 22, 2021 16:34	5,983	43,069,526	16,124,000	3,023,000	2,334,720
13	May 22, 2021 16:34	5,988	45,499,988	16,135,000	3,025,000	2,342,912
14	May 22, 2021 16:34	5,990	43,216,670	17,150,000	2,017,000	2,334,720
15	May 22, 2021 16:34	5,990	44,494,627	17,151,000	2,017,000	2,523,136
16	May 22, 2021 16:34	5,993	44,527,935	18,168,000	1,009,000	2,514,944
17	May 22, 2021 16:34	5,995	46,325,247	17,165,000	2,019,000	2,510,848
18	May 22, 2021 16:34	5,996	82,999,667	19,187,003	0	2,228,224
19	May 22, 2021 16:34	5,998	79,640,696	19,193,007	0	2,220,032
20	May 22, 2021 16:35	6,002	44,340,226	17,184,000	2,021,000	2,334,720
21	May 22, 2021 16:35	6,004	57,231,319	19,212,957	0	2,236,416
22	May 22, 2021 16:35	6,015	40,356,543	16,208,000	3,039,000	2,514,944
23	May 22, 2021 16:34	6,015	44,439,126	18,235,000	1,013,000	2,334,720
24	May 22, 2021 16:34	6,018	34,442,676	17,230,000	2,027,000	2,379,776
25	May 22, 2021 16:34	6,018	35,441,022	17,232,000	2,027,000	2,338,816
26	May 22, 2021 16:35	6,021	42,043,927	18,252,000	1,014,000	2,514,944
27	May 22, 2021 16:34	6,021	39,378,898	16,225,000	3,042,000	2,519,040
28	May 22, 2021 16:34	6,024	43,868,507	17,247,000	2,029,000	2,334,720
29	May 22, 2021 16:34	6,025	35,354,424	17,251,000	2,029,000	2,334,720
30	May 22, 2021 16:34	6,025	79,822,643	19,279,687	0	2,220,032
31	May 22, 2021 16:35	6,033	36,119,971	16,258,000	3,048,000	2,514,944
32	May 22, 2021 16:34	6,036	81,269,072	19,316,615	0	2,232,320
33	May 22, 2021 16:34	6,037	78,446,135	19,318,211	0	2,220,032
34	May 22, 2021 16:34	6,040	86,916,779	19,327,949	0	2,220,032
35	May 22, 2021 16:34	6,070	67,935,118	19,424,892	0	2,224,128
36	May 22, 2021 16:34	6,070	86,721,310	19,424,680	0	2,224,128
37	May 22, 2021 16:34	6,081	95,172,901	19,459,934	0	2,224,128
38	May 22, 2021 16:34	6,083	95,167,645	19,464,139	0	2,211,840
39	May 22, 2021 16:35	6,098	63,757,980	19,514,035	0	2,224,128
40	May 22, 2021 16:35	6,108	88,909,845	19,545,280	0	2,220,032
41	May 22, 2021 16:34	6,110	104,890,471	19,552,509	0	2,224,128
42	May 22, 2021 16:35	6,122	83,600,424	19,590,832	0	2,220,032
43	May 22, 2021 16:35	6,166	85,973,082	19,730,157	0	2,224,128
44	May 22, 2021 16:34	6,178	93,632,960	19,768,546	0	2,220,032
45	May 22, 2021 16:35	6,184	83,739,324	19,788,093	0	2,228,224

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