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 25, 2021 22:58

Mikhail Dektyarev

Score: 4,864

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 25, 2021 22:53	4,807	32,783,145	14,358,000	1,025,000	2,281,472
2	May 25, 2021 23:04	4,820	32,637,902	14,396,000	1,028,000	2,281,472
3	May 25, 2021 23:04	4,826	35,471,844	15,444,000	0	2,277,376
4	May 25, 2021 22:53	4,828	36,773,185	14,420,000	1,030,000	2,281,472
5	May 25, 2021 22:53	4,829	31,562,396	14,422,000	1,030,000	2,400,256
6	May 25, 2021 22:53	4,831	31,558,740	14,430,000	1,030,000	2,412,544
7	May 25, 2021 22:53	4,833	33,001,205	15,467,000	0	2,281,472
8	May 25, 2021 22:53	4,835	37,878,032	14,441,000	1,031,000	2,281,472
9	May 25, 2021 23:04	4,843	38,181,965	15,499,000	0	2,404,352
10	May 25, 2021 22:58	4,843	38,630,168	14,464,000	1,033,000	2,400,256
11	May 25, 2021 22:53	4,846	33,080,484	14,473,000	1,033,000	2,404,352
12	May 25, 2021 22:58	4,847	37,064,909	15,511,000	0	2,281,472
13	May 25, 2021 22:58	4,848	38,076,333	14,478,000	1,034,000	2,412,544
14	May 25, 2021 22:53	4,848	36,351,332	14,478,000	1,034,000	2,400,256
15	May 25, 2021 23:04	4,850	35,102,097	15,520,000	0	2,281,472
16	May 25, 2021 23:04	4,851	29,213,921	15,522,000	0	2,281,472
17	May 25, 2021 23:04	4,852	30,606,590	15,527,000	0	2,400,256
18	May 25, 2021 22:53	4,854	42,355,539	14,498,000	1,035,000	2,400,256
19	May 25, 2021 22:58	4,859	37,821,681	14,513,000	1,036,000	2,281,472
20	May 25, 2021 22:53	4,859	46,074,548	15,548,000	0	2,281,472
21	May 25, 2021 22:53	4,859	41,293,245	15,548,000	0	2,281,472
22	May 25, 2021 23:04	4,860	32,315,206	15,553,000	0	2,281,472
23	May 25, 2021 22:53	4,860	38,745,634	14,516,000	1,036,000	2,396,160
24	May 25, 2021 23:04	4,863	28,383,567	14,526,000	1,037,000	2,281,472
25	May 25, 2021 22:53	4,864	44,493,570	14,527,000	1,037,000	2,404,352
26	May 25, 2021 23:04	4,866	39,871,983	14,533,000	1,038,000	2,281,472
27	May 25, 2021 22:58	4,868	38,879,386	14,539,000	1,038,000	2,404,352
28	May 25, 2021 22:53	4,868	30,560,867	15,576,000	0	2,404,352
29	May 25, 2021 22:53	4,868	38,191,103	14,539,000	1,038,000	2,400,256
30	May 25, 2021 22:58	4,869	31,904,670	15,582,000	0	2,281,472
31	May 25, 2021 22:58	4,872	31,271,283	15,591,000	0	2,404,352
32	May 25, 2021 22:53	4,878	46,669,686	14,570,000	1,040,000	2,281,472
33	May 25, 2021 22:53	4,879	32,522,664	15,614,000	0	2,281,472
34	May 25, 2021 22:53	4,880	45,182,750	14,574,000	1,041,000	2,281,472
35	May 25, 2021 22:58	4,886	42,048,651	15,635,000	0	2,281,472
36	May 25, 2021 22:58	4,926	41,085,119	14,779,000	985,000	2,404,352
37	May 25, 2021 22:53	4,967	43,984,083	15,893,134	0	2,289,664
38	May 25, 2021 22:58	4,984	79,906,243	15,950,125	0	2,285,568
39	May 25, 2021 22:58	4,984	47,947,712	15,950,312	0	2,301,952
40	May 25, 2021 22:53	5,007	70,255,384	16,023,204	0	2,289,664
41	May 25, 2021 23:04	5,010	82,622,403	16,032,764	0	2,289,664
42	May 25, 2021 23:04	5,010	61,646,483	16,032,758	0	2,285,568
43	May 25, 2021 22:53	5,016	43,642,532	16,051,643	0	2,301,952
44	May 25, 2021 22:53	5,026	44,244,601	16,083,390	0	2,289,664
45	May 25, 2021 22:53	5,047	83,340,474	16,151,729	0	2,289,664
46	May 25, 2021 23:04	5,087	105,284,329	16,277,687	0	2,289,664
47	May 25, 2021 22:58	5,111	47,520,313	16,356,082	0	2,301,952
48	May 25, 2021 22:53	5,182	82,437,364	16,581,786	0	2,301,952

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