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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Score: 5,308

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 12, 2024 23:30	5,270	44,303,188	14,881,000	1,984,000	2,371,584
2	Jun 12, 2024 23:30	5,273	48,028,950	15,820,000	1,054,000	2,375,680
3	Jun 12, 2024 23:31	5,273	43,188,268	15,883,000	992,000	2,379,776
4	Jun 12, 2024 23:30	5,276	48,288,534	16,884,000	0	2,375,680
5	Jun 12, 2024 23:30	5,277	32,506,055	15,894,000	993,000	2,293,760
6	Jun 12, 2024 23:31	5,277	44,943,643	14,899,000	1,986,000	2,367,488
7	Jun 12, 2024 23:31	5,279	45,906,284	14,906,000	1,987,000	2,293,760
8	Jun 12, 2024 23:30	5,281	45,887,904	15,904,000	994,000	2,367,488
9	Jun 12, 2024 23:31	5,283	32,773,086	15,912,000	994,000	2,379,776
10	Jun 12, 2024 23:30	5,286	44,162,468	14,925,000	1,990,000	2,293,760
11	Jun 12, 2024 23:30	5,289	32,666,577	15,931,000	995,000	2,371,584
12	Jun 12, 2024 23:30	5,290	41,518,335	14,936,000	1,991,000	2,371,584
13	Jun 12, 2024 23:30	5,293	42,549,429	14,945,000	1,992,000	2,375,680
14	Jun 12, 2024 23:31	5,295	43,544,710	14,950,000	1,993,000	2,375,680
15	Jun 12, 2024 23:30	5,298	31,970,769	15,955,000	997,000	2,371,584
16	Jun 12, 2024 23:30	5,300	45,280,798	15,963,000	997,000	2,375,680
17	Jun 12, 2024 23:30	5,303	48,777,607	14,973,000	1,996,000	2,293,760
18	Jun 12, 2024 23:31	5,304	46,401,352	15,975,000	998,000	2,293,760
19	Jun 12, 2024 23:30	5,308	42,641,524	14,988,000	1,998,000	2,371,584
20	Jun 12, 2024 23:31	5,315	48,826,150	16,008,000	1,000,000	2,293,760
21	Jun 12, 2024 23:30	5,317	34,181,727	16,015,000	1,000,000	2,371,584
22	Jun 12, 2024 23:30	5,317	43,173,775	16,015,000	1,000,000	2,473,984
23	Jun 12, 2024 23:31	5,320	34,019,232	16,023,000	1,001,000	2,293,760
24	Jun 12, 2024 23:30	5,322	38,317,360	16,030,000	1,001,000	2,293,760
25	Jun 12, 2024 23:30	5,322	37,598,399	15,027,000	2,003,000	2,293,760
26	Jun 12, 2024 23:30	5,324	32,888,793	15,032,000	2,004,000	2,469,888
27	Jun 12, 2024 23:31	5,337	42,534,696	16,075,000	1,004,000	2,293,760
28	Jun 12, 2024 23:30	5,510	95,166,095	17,633,532	0	2,240,512
29	Jun 12, 2024 23:31	5,518	76,921,439	17,658,021	0	2,375,680
30	Jun 12, 2024 23:30	5,525	85,516,259	17,679,153	0	2,244,608
31	Jun 12, 2024 23:30	5,530	62,005,029	17,694,744	0	2,240,512
32	Jun 12, 2024 23:31	5,542	81,346,820	17,733,185	0	2,248,704
33	Jun 12, 2024 23:30	5,548	75,964,337	17,753,165	0	2,363,392
34	Jun 12, 2024 23:31	5,552	88,938,532	17,766,013	0	2,371,584
35	Jun 12, 2024 23:30	5,566	74,665,708	17,809,633	0	2,375,680
36	Jun 12, 2024 23:30	5,567	79,675,878	17,813,386	0	2,252,800

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