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 20:53	4,144	30,909,999	13,261,000	0	2,531,328
2	Aug 21, 2024 20:53	4,145	34,088,530	13,263,000	0	2,269,184
3	Aug 21, 2024 20:53	4,146	33,197,063	13,268,000	0	2,531,328
4	Aug 21, 2024 20:53	4,147	33,530,501	13,269,000	0	2,269,184
5	Aug 21, 2024 20:53	4,149	31,568,450	13,276,000	0	2,531,328
6	Aug 21, 2024 20:53	4,152	35,794,531	13,285,000	0	2,494,464
7	Aug 21, 2024 20:53	4,155	32,470,603	13,296,000	0	2,531,328
8	Aug 21, 2024 20:53	4,155	34,132,391	13,295,000	0	2,269,184
9	Aug 21, 2024 20:53	4,156	28,817,441	13,300,000	0	2,490,368
10	Aug 21, 2024 20:53	4,156	30,932,466	13,298,000	0	2,531,328
11	Aug 21, 2024 20:53	4,157	24,766,729	13,303,000	0	2,494,464
12	Aug 21, 2024 20:53	4,158	30,819,925	13,305,000	0	2,490,368
13	Aug 21, 2024 20:53	4,165	31,293,720	13,328,000	0	2,486,272
14	Aug 21, 2024 20:53	4,165	28,590,895	12,303,000	1,025,000	2,490,368
15	Aug 21, 2024 20:53	4,166	30,110,149	12,306,000	1,025,000	2,269,184
16	Aug 21, 2024 20:53	4,167	34,648,960	12,308,000	1,025,000	2,498,560
17	Aug 21, 2024 20:53	4,169	31,836,762	13,342,000	0	2,531,328
18	Aug 21, 2024 20:53	4,173	27,645,851	13,354,000	0	2,531,328
19	Aug 21, 2024 20:53	4,175	38,608,370	13,361,000	0	2,269,184
20	Aug 21, 2024 20:53	4,178	37,419,186	13,370,000	0	2,502,656
21	Aug 21, 2024 20:53	4,179	25,590,284	13,374,000	0	2,494,464
22	Aug 21, 2024 20:53	4,179	37,562,106	12,345,000	1,028,000	2,531,328
23	Aug 21, 2024 20:53	4,182	29,103,890	12,354,000	1,029,000	2,490,368
24	Aug 21, 2024 20:53	4,183	34,306,833	13,384,000	0	2,531,328
25	Aug 21, 2024 20:53	4,186	30,731,780	13,396,000	0	2,531,328
26	Aug 21, 2024 20:53	4,189	34,340,350	13,404,000	0	2,494,464
27	Aug 21, 2024 20:53	4,206	33,807,743	12,423,000	1,035,000	2,498,560
28	Aug 21, 2024 20:53	4,418	103,316,400	14,138,158	0	2,265,088
29	Aug 21, 2024 20:53	4,418	57,670,430	14,137,832	0	2,236,416
30	Aug 21, 2024 20:53	4,421	80,478,681	14,148,396	0	2,236,416
31	Aug 21, 2024 20:53	4,425	52,856,088	14,161,046	0	2,371,584
32	Aug 21, 2024 20:53	4,431	83,050,575	14,178,423	0	2,236,416
33	Aug 21, 2024 20:53	4,435	88,103,804	14,190,639	0	2,367,488
34	Aug 21, 2024 20:53	4,437	52,567,933	14,198,445	0	2,244,608
35	Aug 21, 2024 20:53	4,439	72,768,153	14,205,766	0	2,252,800
36	Aug 21, 2024 20:53	4,441	84,234,336	14,211,507	0	2,371,584

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