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

Score: 4,336

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 9, 2024 22:42	4,277	31,436,453	12,633,000	1,052,000	2,273,280
2	Aug 9, 2024 22:45	4,281	26,842,356	12,646,000	1,053,000	2,445,312
3	Aug 9, 2024 22:45	4,283	38,360,806	12,652,000	1,054,000	2,449,408
4	Aug 9, 2024 22:43	4,285	32,900,324	12,657,000	1,054,000	2,273,280
5	Aug 9, 2024 22:45	4,286	32,077,000	12,661,000	1,055,000	2,449,408
6	Aug 9, 2024 22:42	4,287	29,422,702	12,664,000	1,055,000	2,445,312
7	Aug 9, 2024 22:42	4,289	38,234,688	12,671,000	1,055,000	2,535,424
8	Aug 9, 2024 22:42	4,290	31,063,228	12,672,000	1,056,000	2,273,280
9	Aug 9, 2024 22:43	4,290	26,785,798	12,672,000	1,056,000	2,535,424
10	Aug 9, 2024 22:43	4,290	37,880,680	12,672,000	1,056,000	2,535,424
11	Aug 9, 2024 22:45	4,291	28,040,707	12,675,000	1,056,000	2,445,312
12	Aug 9, 2024 22:42	4,292	30,876,563	12,678,000	1,056,000	2,535,424
13	Aug 9, 2024 22:45	4,293	33,166,412	12,683,000	1,056,000	2,449,408
14	Aug 9, 2024 22:45	4,294	27,511,236	12,685,000	1,057,000	2,445,312
15	Aug 9, 2024 22:43	4,320	31,672,501	11,849,000	1,974,000	2,535,424
16	Aug 9, 2024 22:45	4,333	39,943,330	12,876,000	990,000	2,453,504
17	Aug 9, 2024 22:43	4,335	29,640,566	11,890,000	1,981,000	2,535,424
18	Aug 9, 2024 22:43	4,335	33,349,355	11,890,000	1,981,000	2,265,088
19	Aug 9, 2024 22:42	4,336	25,951,197	12,884,000	991,000	2,535,424
20	Aug 9, 2024 22:43	4,337	31,133,109	11,895,000	1,982,000	2,445,312
21	Aug 9, 2024 22:43	4,337	30,824,517	12,887,000	991,000	2,273,280
22	Aug 9, 2024 22:42	4,337	37,970,767	12,886,000	991,000	2,449,408
23	Aug 9, 2024 22:42	4,337	27,111,327	12,888,000	991,000	2,265,088
24	Aug 9, 2024 22:42	4,337	30,089,787	12,888,000	991,000	2,535,424
25	Aug 9, 2024 22:45	4,337	30,216,011	11,897,000	1,982,000	2,535,424
26	Aug 9, 2024 22:45	4,339	32,611,410	12,894,000	991,000	2,535,424
27	Aug 9, 2024 22:43	4,341	37,489,673	11,906,000	1,984,000	2,449,408
28	Aug 9, 2024 22:45	4,552	98,332,532	14,565,848	0	2,334,720
29	Aug 9, 2024 22:43	4,553	82,326,619	14,568,534	0	2,203,648
30	Aug 9, 2024 22:42	4,554	84,633,357	14,571,572	0	2,207,744
31	Aug 9, 2024 22:42	4,563	67,189,839	14,602,704	0	2,326,528
32	Aug 9, 2024 22:43	4,565	58,655,241	14,608,649	0	2,203,648
33	Aug 9, 2024 22:45	4,571	58,770,968	14,627,647	0	2,191,360
34	Aug 9, 2024 22:42	4,577	83,308,564	14,647,956	0	2,191,360
35	Aug 9, 2024 22:45	4,587	74,275,828	14,677,571	0	2,330,624
36	Aug 9, 2024 22:43	4,589	84,519,884	14,685,328	0	2,207,744

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