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: 4,425Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Dec 29, 2025 03:55	4,392	34,966,336	12,047,000	2,007,000	2,535,424
2	Dec 29, 2025 03:55	4,398	29,695,473	12,063,000	2,010,000	2,535,424
3	Dec 29, 2025 03:09	4,402	32,065,514	12,073,000	2,012,000	2,273,280
4	Dec 29, 2025 03:09	4,402	36,784,833	12,073,000	2,012,000	2,273,280
5	Dec 29, 2025 03:08	4,405	31,283,372	12,083,000	2,013,000	2,449,408
6	Dec 29, 2025 03:08	4,407	29,346,490	12,087,000	2,014,000	2,535,424
7	Dec 29, 2025 03:55	4,409	36,232,747	12,095,000	2,015,000	2,535,424
8	Dec 29, 2025 03:55	4,415	35,235,176	12,111,000	2,018,000	2,535,424
9	Dec 29, 2025 03:55	4,415	32,690,337	12,111,000	2,018,000	2,535,424
10	Dec 29, 2025 03:55	4,417	34,747,716	12,115,000	2,019,000	2,535,424
11	Dec 29, 2025 03:55	4,419	29,533,603	12,122,000	2,020,000	2,437,120
12	Dec 29, 2025 03:08	4,419	35,841,066	12,121,000	2,020,000	2,453,504
13	Dec 29, 2025 03:55	4,420	37,839,581	12,123,000	2,020,000	2,535,424
14	Dec 29, 2025 03:08	4,420	33,897,403	12,124,000	2,020,000	2,453,504
15	Dec 29, 2025 03:08	4,422	37,499,448	12,130,000	2,021,000	2,457,600
16	Dec 29, 2025 03:08	4,424	36,937,851	12,136,000	2,022,000	2,281,472
17	Dec 29, 2025 03:55	4,425	39,941,506	12,138,000	2,023,000	2,535,424
18	Dec 29, 2025 03:09	4,426	32,491,276	12,140,000	2,023,000	2,535,424
19	Dec 29, 2025 03:08	4,426	37,259,808	12,139,000	2,023,000	2,453,504
20	Dec 29, 2025 03:55	4,428	29,383,084	12,145,000	2,024,000	2,273,280
21	Dec 29, 2025 03:09	4,428	36,191,770	12,147,000	2,024,000	2,535,424
22	Dec 29, 2025 03:09	4,428	32,269,469	12,144,000	2,024,000	2,535,424
23	Dec 29, 2025 03:09	4,430	28,894,077	12,151,000	2,025,000	2,531,328
24	Dec 29, 2025 03:55	4,432	28,461,015	12,156,000	2,026,000	2,535,424
25	Dec 29, 2025 03:55	4,433	31,927,620	12,161,000	2,026,000	2,535,424
26	Dec 29, 2025 03:55	4,434	29,738,055	12,162,000	2,027,000	2,449,408
27	Dec 29, 2025 03:55	4,435	40,700,606	12,166,000	2,027,000	2,445,312
28	Dec 29, 2025 03:08	4,435	30,720,201	12,165,000	2,027,000	2,531,328
29	Dec 29, 2025 03:55	4,436	33,484,302	12,168,000	2,028,000	2,441,216
30	Dec 29, 2025 03:08	4,439	32,155,482	12,175,000	2,029,000	2,449,408
31	Dec 29, 2025 03:55	4,444	36,399,469	12,189,000	2,031,000	2,273,280
32	Dec 29, 2025 03:55	4,468	31,839,067	13,277,000	1,021,000	2,273,280
33	Dec 29, 2025 03:55	4,813	34,261,478	14,376,000	1,026,000	2,449,408

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