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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jeffplaisance

Score: 4,394

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 3, 2024 20:30	4,364	31,532,377	12,969,000	997,000	2,494,464
2	Aug 3, 2024 20:31	4,367	32,563,063	12,977,000	998,000	2,277,376
3	Aug 3, 2024 20:30	4,367	32,734,474	12,977,000	998,000	2,277,376
4	Aug 3, 2024 20:31	4,379	27,547,273	13,012,000	1,000,000	2,502,656
5	Aug 3, 2024 20:30	4,381	38,818,565	13,018,000	1,001,000	2,277,376
6	Aug 3, 2024 20:30	4,383	36,717,328	13,024,000	1,001,000	2,277,376
7	Aug 3, 2024 20:31	4,383	35,237,865	13,024,000	1,001,000	2,494,464
8	Aug 3, 2024 20:30	4,384	30,010,395	13,026,000	1,002,000	2,494,464
9	Aug 3, 2024 20:31	4,385	35,704,554	13,031,000	1,002,000	2,494,464
10	Aug 3, 2024 20:30	4,387	29,759,726	13,036,000	1,002,000	2,277,376
11	Aug 3, 2024 20:30	4,387	34,336,608	13,036,000	1,002,000	2,498,560
12	Aug 3, 2024 20:31	4,387	30,872,952	13,036,000	1,002,000	2,502,656
13	Aug 3, 2024 20:30	4,388	35,179,223	13,040,000	1,003,000	2,277,376
14	Aug 3, 2024 20:30	4,390	28,213,246	13,044,000	1,003,000	2,535,424
15	Aug 3, 2024 20:30	4,391	33,123,093	13,048,000	1,003,000	2,498,560
16	Aug 3, 2024 20:31	4,391	27,123,253	13,047,000	1,003,000	2,535,424
17	Aug 3, 2024 20:31	4,392	28,710,780	13,051,000	1,003,000	2,535,424
18	Aug 3, 2024 20:31	4,393	35,727,811	13,055,000	1,004,000	2,277,376
19	Aug 3, 2024 20:30	4,394	41,728,407	13,056,000	1,004,000	2,277,376
20	Aug 3, 2024 20:31	4,399	30,714,165	13,072,000	1,005,000	2,494,464
21	Aug 3, 2024 20:30	4,399	33,837,695	13,071,000	1,005,000	2,494,464
22	Aug 3, 2024 20:30	4,402	39,030,152	13,079,000	1,006,000	2,498,560
23	Aug 3, 2024 20:30	4,411	28,531,948	13,108,000	1,008,000	2,494,464
24	Aug 3, 2024 20:30	4,413	33,488,926	12,105,000	2,017,000	2,498,560
25	Aug 3, 2024 20:30	4,423	32,967,359	13,143,000	1,011,000	2,277,376
26	Aug 3, 2024 20:30	4,513	33,727,176	13,409,000	1,031,000	2,277,376
27	Aug 3, 2024 20:30	4,515	36,484,050	13,416,000	1,032,000	2,535,424
28	Aug 3, 2024 20:30	4,638	75,537,858	14,840,575	0	2,244,608
29	Aug 3, 2024 20:30	4,655	68,048,180	14,897,248	0	2,252,800
30	Aug 3, 2024 20:30	4,667	80,133,438	14,934,680	0	2,252,800
31	Aug 3, 2024 20:31	4,687	75,272,555	14,998,300	0	2,248,704
32	Aug 3, 2024 20:31	4,689	64,123,760	15,005,269	0	2,248,704
33	Aug 3, 2024 20:30	4,706	86,677,293	15,059,944	0	2,371,584
34	Aug 3, 2024 20:31	4,707	79,804,060	15,062,236	0	2,240,512
35	Aug 3, 2024 20:30	4,721	81,256,007	15,107,462	0	2,244,608
36	Aug 3, 2024 20:30	4,721	73,125,878	15,107,820	0	2,240,512

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