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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HattonuriScore: 4,452Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 2, 2026 04:37	4,395	35,257,213	12,056,000	2,009,000	2,445,312
2	Jan 2, 2026 04:38	4,416	31,274,403	12,112,000	2,018,000	2,453,504
3	Jan 2, 2026 04:37	4,417	38,613,882	12,115,000	2,019,000	2,281,472
4	Jan 2, 2026 04:38	4,424	30,191,339	12,135,000	2,022,000	2,281,472
5	Jan 2, 2026 04:38	4,427	29,134,662	12,143,000	2,023,000	2,281,472
6	Jan 2, 2026 04:38	4,428	36,842,406	12,147,000	2,024,000	2,441,216
7	Jan 2, 2026 04:38	4,428	40,847,906	12,146,000	2,024,000	2,453,504
8	Jan 2, 2026 04:38	4,429	26,605,801	12,149,000	2,024,000	2,449,408
9	Jan 2, 2026 04:38	4,437	31,364,499	12,169,000	2,028,000	2,281,472
10	Jan 2, 2026 04:38	4,439	31,482,811	12,175,000	2,029,000	2,281,472
11	Jan 2, 2026 04:38	4,441	33,149,101	12,182,000	2,030,000	2,281,472
12	Jan 2, 2026 04:38	4,443	30,221,350	12,188,000	2,031,000	2,445,312
13	Jan 2, 2026 04:38	4,443	36,717,051	12,186,000	2,031,000	2,441,216
14	Jan 2, 2026 04:38	4,447	31,292,096	12,197,000	2,032,000	2,449,408
15	Jan 2, 2026 04:38	4,448	36,424,744	12,200,000	2,033,000	2,281,472
16	Jan 2, 2026 04:38	4,448	34,697,351	12,199,000	2,033,000	2,281,472
17	Jan 2, 2026 04:38	4,452	31,642,669	12,212,000	2,035,000	2,281,472
18	Jan 2, 2026 04:38	4,452	34,102,648	12,210,000	2,035,000	2,281,472
19	Jan 2, 2026 04:38	4,453	32,726,889	13,231,000	1,017,000	2,281,472
20	Jan 2, 2026 04:37	4,454	43,979,610	12,216,000	2,036,000	2,281,472
21	Jan 2, 2026 04:38	4,454	28,281,005	12,217,000	2,036,000	2,281,472
22	Jan 2, 2026 04:37	4,455	36,026,223	13,238,000	1,018,000	2,445,312
23	Jan 2, 2026 04:38	4,456	32,835,838	12,222,000	2,037,000	2,281,472
24	Jan 2, 2026 04:38	4,463	30,303,173	13,261,000	1,020,000	2,281,472
25	Jan 2, 2026 04:38	4,465	35,908,539	13,269,000	1,020,000	2,281,472
26	Jan 2, 2026 04:38	4,469	29,126,551	13,279,000	1,021,000	2,281,472
27	Jan 2, 2026 04:38	4,469	38,820,989	13,281,000	1,021,000	2,445,312
28	Jan 2, 2026 04:38	4,474	35,245,573	12,271,000	2,045,000	2,535,424
29	Jan 2, 2026 04:38	4,534	31,862,774	13,473,000	1,036,000	2,441,216
30	Jan 2, 2026 04:38	4,588	42,687,414	13,633,000	1,048,000	2,449,408
31	Jan 2, 2026 04:38	4,657	50,807,007	13,910,000	993,000	2,281,472
32	Jan 2, 2026 04:37	4,661	44,468,041	13,921,000	994,000	2,445,312
33	Jan 2, 2026 04:37	4,662	40,139,575	12,928,000	1,989,000	2,441,216

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