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

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 21, 2024 21:02	4,133	29,058,399	12,210,000	1,017,000	2,498,560
2	Aug 21, 2024 21:02	4,135	31,456,332	12,215,000	1,017,000	2,498,560
3	Aug 21, 2024 21:03	4,140	35,091,885	13,248,000	0	2,490,368
4	Aug 21, 2024 21:03	4,140	31,058,080	12,229,000	1,019,000	2,531,328
5	Aug 21, 2024 21:03	4,143	28,287,256	13,259,000	0	2,269,184
6	Aug 21, 2024 21:02	4,147	30,215,713	12,251,000	1,020,000	2,494,464
7	Aug 21, 2024 21:02	4,147	28,664,548	13,270,000	0	2,494,464
8	Aug 21, 2024 21:03	4,147	28,029,895	13,270,000	0	2,490,368
9	Aug 21, 2024 21:03	4,147	27,458,960	13,271,000	0	2,490,368
10	Aug 21, 2024 21:02	4,153	32,612,640	12,266,000	1,022,000	2,498,560
11	Aug 21, 2024 21:02	4,155	32,675,949	13,297,000	0	2,494,464
12	Aug 21, 2024 21:03	4,155	38,710,690	12,346,000	949,000	2,269,184
13	Aug 21, 2024 21:03	4,161	33,700,400	13,315,000	0	2,486,272
14	Aug 21, 2024 21:03	4,162	34,234,933	13,317,000	0	2,490,368
15	Aug 21, 2024 21:03	4,164	27,540,894	13,326,000	0	2,531,328
16	Aug 21, 2024 21:03	4,164	33,226,358	13,326,000	0	2,531,328
17	Aug 21, 2024 21:03	4,168	31,739,152	13,336,000	0	2,531,328
18	Aug 21, 2024 21:02	4,171	31,805,015	13,347,000	0	2,494,464
19	Aug 21, 2024 21:03	4,173	30,227,438	13,354,000	0	2,490,368
20	Aug 21, 2024 21:03	4,173	29,286,532	13,353,000	0	2,531,328
21	Aug 21, 2024 21:03	4,175	30,460,401	13,360,000	0	2,269,184
22	Aug 21, 2024 21:02	4,178	29,497,899	13,371,000	0	2,490,368
23	Aug 21, 2024 21:03	4,180	29,941,423	13,376,000	0	2,490,368
24	Aug 21, 2024 21:03	4,187	27,287,554	12,369,000	1,030,000	2,531,328
25	Aug 21, 2024 21:03	4,193	29,290,122	13,417,000	0	2,531,328
26	Aug 21, 2024 21:02	4,194	31,646,202	12,389,000	1,032,000	2,269,184
27	Aug 21, 2024 21:03	4,199	33,084,905	13,438,000	0	2,269,184
28	Aug 21, 2024 21:03	4,408	91,232,875	14,104,890	0	2,252,800
29	Aug 21, 2024 21:02	4,420	65,992,740	14,145,200	0	2,256,896
30	Aug 21, 2024 21:03	4,432	64,982,164	14,181,288	0	2,363,392
31	Aug 21, 2024 21:03	4,432	76,632,769	14,183,135	0	2,236,416
32	Aug 21, 2024 21:02	4,433	81,077,197	14,185,630	0	2,248,704
33	Aug 21, 2024 21:03	4,437	94,500,542	14,199,241	0	2,383,872
34	Aug 21, 2024 21:02	4,451	65,011,380	14,242,153	0	2,236,416
35	Aug 21, 2024 21:03	4,471	69,262,605	14,306,373	0	2,236,416
36	Aug 21, 2024 21:03	4,486	75,744,291	14,354,236	0	2,236,416

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