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: 4,398

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 3, 2024 20:32	4,366	37,464,774	12,973,000	997,000	2,277,376
2	Aug 3, 2024 20:32	4,368	29,297,032	12,979,000	998,000	2,490,368
3	Aug 3, 2024 20:34	4,371	33,878,454	12,987,000	999,000	2,277,376
4	Aug 3, 2024 20:32	4,374	30,407,010	12,999,000	999,000	2,498,560
5	Aug 3, 2024 20:32	4,377	29,198,878	13,007,000	1,000,000	2,494,464
6	Aug 3, 2024 20:32	4,377	39,367,705	13,006,000	1,000,000	2,277,376
7	Aug 3, 2024 20:34	4,378	35,784,988	13,008,000	1,000,000	2,502,656
8	Aug 3, 2024 20:32	4,378	33,924,471	13,009,000	1,000,000	2,277,376
9	Aug 3, 2024 20:32	4,379	34,525,193	13,013,000	1,001,000	2,502,656
10	Aug 3, 2024 20:32	4,381	40,186,729	13,018,000	1,001,000	2,277,376
11	Aug 3, 2024 20:32	4,382	31,277,151	13,022,000	1,001,000	2,277,376
12	Aug 3, 2024 20:34	4,382	29,461,906	13,022,000	1,001,000	2,277,376
13	Aug 3, 2024 20:34	4,383	28,104,189	13,024,000	1,001,000	2,277,376
14	Aug 3, 2024 20:32	4,387	27,815,063	13,037,000	1,002,000	2,535,424
15	Aug 3, 2024 20:32	4,391	36,382,384	13,048,000	1,003,000	2,498,560
16	Aug 3, 2024 20:34	4,393	32,845,941	13,054,000	1,004,000	2,498,560
17	Aug 3, 2024 20:32	4,393	42,663,943	13,055,000	1,004,000	2,502,656
18	Aug 3, 2024 20:34	4,397	29,682,961	13,066,000	1,005,000	2,494,464
19	Aug 3, 2024 20:32	4,398	28,929,023	13,070,000	1,005,000	2,277,376
20	Aug 3, 2024 20:34	4,403	34,902,704	13,082,000	1,006,000	2,502,656
21	Aug 3, 2024 20:32	4,406	31,573,365	13,091,000	1,007,000	2,498,560
22	Aug 3, 2024 20:32	4,408	35,634,086	13,097,000	1,007,000	2,506,752
23	Aug 3, 2024 20:34	4,413	30,331,065	13,113,000	1,008,000	2,277,376
24	Aug 3, 2024 20:32	4,416	34,404,768	13,123,000	1,009,000	2,277,376
25	Aug 3, 2024 20:32	4,420	32,450,315	12,123,000	2,020,000	2,277,376
26	Aug 3, 2024 20:34	4,432	29,347,913	13,169,000	1,013,000	2,535,424
27	Aug 3, 2024 20:32	4,443	32,156,061	12,186,000	2,031,000	2,498,560
28	Aug 3, 2024 20:32	4,652	88,790,038	14,887,982	0	2,371,584
29	Aug 3, 2024 20:34	4,661	76,470,759	14,915,641	0	2,236,416
30	Aug 3, 2024 20:34	4,667	87,195,061	14,933,823	0	2,240,512
31	Aug 3, 2024 20:32	4,675	56,359,891	14,959,461	0	2,244,608
32	Aug 3, 2024 20:32	4,679	86,348,938	14,973,546	0	2,252,800
33	Aug 3, 2024 20:32	4,680	88,867,225	14,975,857	0	2,236,416
34	Aug 3, 2024 20:32	4,689	73,438,074	15,004,848	0	2,248,704
35	Aug 3, 2024 20:32	4,731	79,619,792	15,140,242	0	2,375,680
36	Aug 3, 2024 20:34	4,732	88,187,073	15,143,023	0	2,367,488

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