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.

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zielaj

Score: 4,698

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 4, 2024 21:33	4,656	33,718,169	12,912,000	1,986,000	2,289,664
2	Aug 4, 2024 21:31	4,670	39,821,459	12,953,000	1,992,000	2,277,376
3	Aug 4, 2024 21:32	4,670	30,990,882	12,951,000	1,992,000	2,289,664
4	Aug 4, 2024 21:31	4,672	30,863,483	12,957,000	1,993,000	2,277,376
5	Aug 4, 2024 21:33	4,672	38,032,116	12,958,000	1,993,000	2,289,664
6	Aug 4, 2024 21:32	4,675	33,330,056	12,966,000	1,994,000	2,273,280
7	Aug 4, 2024 21:32	4,678	33,871,233	13,972,000	998,000	2,289,664
8	Aug 4, 2024 21:31	4,679	40,029,179	12,978,000	1,996,000	2,289,664
9	Aug 4, 2024 21:32	4,682	35,547,698	13,985,000	998,000	2,523,136
10	Aug 4, 2024 21:31	4,686	30,738,487	12,996,000	1,999,000	2,281,472
11	Aug 4, 2024 21:33	4,687	35,031,015	12,998,000	1,999,000	2,285,568
12	Aug 4, 2024 21:32	4,690	38,837,678	13,008,000	2,001,000	2,277,376
13	Aug 4, 2024 21:31	4,690	33,199,970	13,007,000	2,001,000	2,273,280
14	Aug 4, 2024 21:33	4,690	30,701,745	14,008,000	1,000,000	2,269,184
15	Aug 4, 2024 21:32	4,691	33,025,731	13,009,000	2,001,000	2,289,664
16	Aug 4, 2024 21:31	4,696	33,357,740	13,023,000	2,003,000	2,289,664
17	Aug 4, 2024 21:33	4,698	42,591,651	13,031,000	2,004,000	2,273,280
18	Aug 4, 2024 21:33	4,698	42,470,546	13,031,000	2,004,000	2,289,664
19	Aug 4, 2024 21:31	4,698	38,063,256	14,030,000	1,002,000	2,277,376
20	Aug 4, 2024 21:33	4,702	35,939,293	13,041,000	2,006,000	2,281,472
21	Aug 4, 2024 21:31	4,704	43,650,488	13,045,000	2,007,000	2,273,280
22	Aug 4, 2024 21:32	4,707	32,745,175	13,055,000	2,008,000	2,285,568
23	Aug 4, 2024 21:32	4,711	33,028,840	13,066,000	2,010,000	2,269,184
24	Aug 4, 2024 21:31	4,712	39,845,069	13,067,000	2,010,000	2,289,664
25	Aug 4, 2024 21:33	4,719	31,916,928	13,089,000	2,013,000	2,273,280
26	Aug 4, 2024 21:33	4,725	32,635,046	14,113,000	1,008,000	2,289,664
27	Aug 4, 2024 21:32	4,725	31,329,763	14,113,000	1,008,000	2,277,376
28	Aug 4, 2024 21:32	4,927	88,327,256	15,765,195	0	2,318,336
29	Aug 4, 2024 21:33	4,929	74,405,209	15,773,506	0	2,179,072
30	Aug 4, 2024 21:33	4,944	88,420,574	15,819,480	0	2,306,048
31	Aug 4, 2024 21:32	4,944	80,147,032	15,819,523	0	2,174,976
32	Aug 4, 2024 21:31	4,953	92,302,718	15,849,322	0	2,301,952
33	Aug 4, 2024 21:32	4,963	62,811,546	15,881,734	0	2,174,976
34	Aug 4, 2024 21:31	4,968	67,238,103	15,897,050	0	2,301,952
35	Aug 4, 2024 21:33	4,977	87,283,815	15,927,050	0	2,318,336
36	Aug 4, 2024 21:31	4,978	80,993,891	15,930,691	0	2,306,048

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