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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Myles

Score: 4,463

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 3, 2024 04:29	4,430	35,553,995	12,150,000	2,025,000	2,281,472
2	Aug 3, 2024 04:29	4,431	37,764,036	12,155,000	2,025,000	2,281,472
3	Aug 3, 2024 04:27	4,436	32,702,094	12,168,000	2,028,000	2,457,600
4	Aug 3, 2024 04:29	4,438	31,534,941	12,174,000	2,029,000	2,281,472
5	Aug 3, 2024 04:27	4,438	35,665,468	12,173,000	2,028,000	2,449,408
6	Aug 3, 2024 04:29	4,442	37,460,587	12,184,000	2,030,000	2,449,408
7	Aug 3, 2024 04:29	4,444	28,702,640	12,190,000	2,031,000	2,281,472
8	Aug 3, 2024 04:29	4,445	40,285,671	12,192,000	2,032,000	2,449,408
9	Aug 3, 2024 04:29	4,446	31,733,634	12,195,000	2,032,000	2,281,472
10	Aug 3, 2024 04:27	4,448	38,065,964	12,202,000	2,033,000	2,449,408
11	Aug 3, 2024 04:29	4,448	28,604,958	12,200,000	2,033,000	2,281,472
12	Aug 3, 2024 04:27	4,449	30,076,733	12,203,000	2,033,000	2,281,472
13	Aug 3, 2024 04:29	4,452	33,881,700	12,210,000	2,035,000	2,281,472
14	Aug 3, 2024 04:27	4,452	36,309,809	12,210,000	2,035,000	2,437,120
15	Aug 3, 2024 04:29	4,452	29,812,278	12,212,000	2,035,000	2,281,472
16	Aug 3, 2024 04:27	4,454	34,935,767	12,216,000	2,036,000	2,281,472
17	Aug 3, 2024 04:29	4,459	31,795,998	12,231,000	2,038,000	2,445,312
18	Aug 3, 2024 04:27	4,461	35,424,023	13,257,000	1,019,000	2,281,472
19	Aug 3, 2024 04:29	4,463	29,856,560	13,261,000	1,020,000	2,445,312
20	Aug 3, 2024 04:27	4,464	38,098,364	13,266,000	1,020,000	2,281,472
21	Aug 3, 2024 04:29	4,465	32,349,646	13,269,000	1,020,000	2,449,408
22	Aug 3, 2024 04:29	4,465	45,549,745	13,267,000	1,020,000	2,445,312
23	Aug 3, 2024 04:29	4,466	37,245,354	13,272,000	1,020,000	2,281,472
24	Aug 3, 2024 04:29	4,468	27,547,758	13,277,000	1,021,000	2,277,376
25	Aug 3, 2024 04:29	4,469	32,432,322	13,281,000	1,021,000	2,449,408
26	Aug 3, 2024 04:29	4,470	28,138,545	13,283,000	1,021,000	2,281,472
27	Aug 3, 2024 04:27	4,472	28,866,959	13,288,000	1,022,000	2,281,472
28	Aug 3, 2024 04:29	4,687	75,554,323	14,997,542	0	2,326,528
29	Aug 3, 2024 04:29	4,709	57,835,000	15,067,361	0	2,207,744
30	Aug 3, 2024 04:29	4,717	65,743,580	15,094,096	0	2,342,912
31	Aug 3, 2024 04:27	4,718	76,549,739	15,097,847	0	2,203,648
32	Aug 3, 2024 04:27	4,724	103,546,841	15,116,307	0	2,199,552
33	Aug 3, 2024 04:29	4,727	96,116,531	15,127,854	0	2,207,744
34	Aug 3, 2024 04:27	4,732	79,285,796	15,142,387	0	2,338,816
35	Aug 3, 2024 04:29	4,740	60,775,202	15,168,190	0	2,203,648
36	Aug 3, 2024 04:29	4,826	104,138,155	15,444,724	0	2,203,648

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