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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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 13, 2024 13:52	5,263	36,210,456	16,840,000	0	2,359,296
2	Jun 13, 2024 15:57	5,269	45,584,062	14,879,000	1,983,000	2,371,584
3	Jun 13, 2024 15:57	5,269	41,855,181	15,869,000	991,000	2,367,488
4	Jun 13, 2024 14:07	5,270	45,375,483	14,881,000	1,984,000	2,293,760
5	Jun 13, 2024 14:07	5,272	42,525,510	15,878,000	992,000	2,293,760
6	Jun 13, 2024 15:57	5,272	32,988,060	15,879,000	992,000	2,367,488
7	Jun 13, 2024 14:07	5,273	40,370,789	15,883,000	992,000	2,367,488
8	Jun 13, 2024 15:57	5,273	35,217,800	14,888,000	1,985,000	2,293,760
9	Jun 13, 2024 14:07	5,274	31,474,518	15,885,000	992,000	2,293,760
10	Jun 13, 2024 14:07	5,275	37,217,231	15,887,000	992,000	2,371,584
11	Jun 13, 2024 13:52	5,276	40,911,658	16,883,000	0	2,293,760
12	Jun 13, 2024 13:52	5,277	33,980,674	15,894,000	993,000	2,375,680
13	Jun 13, 2024 13:52	5,278	47,919,415	14,902,000	1,986,000	2,293,760
14	Jun 13, 2024 15:57	5,278	43,854,267	15,896,000	993,000	2,375,680
15	Jun 13, 2024 13:52	5,281	40,759,170	14,912,000	1,988,000	2,293,760
16	Jun 13, 2024 14:07	5,281	43,539,002	14,912,000	1,988,000	2,355,200
17	Jun 13, 2024 13:52	5,282	34,220,182	14,915,000	1,988,000	2,371,584
18	Jun 13, 2024 13:52	5,283	45,424,155	14,918,000	1,989,000	2,469,888
19	Jun 13, 2024 15:57	5,285	36,774,571	14,922,000	1,989,000	2,293,760
20	Jun 13, 2024 15:57	5,286	40,615,225	15,921,000	995,000	2,363,392
21	Jun 13, 2024 14:07	5,289	46,657,649	15,869,000	1,057,000	2,293,760
22	Jun 13, 2024 14:07	5,293	48,099,845	15,941,000	996,000	2,293,760
23	Jun 13, 2024 13:52	5,293	31,679,867	14,944,000	1,992,000	2,379,776
24	Jun 13, 2024 14:07	5,296	43,176,177	15,951,000	996,000	2,375,680
25	Jun 13, 2024 13:52	5,302	37,987,794	14,970,000	1,996,000	2,371,584
26	Jun 13, 2024 15:57	5,303	40,593,106	15,973,000	998,000	2,363,392
27	Jun 13, 2024 15:57	5,303	35,297,911	14,972,000	1,996,000	2,293,760
28	Jun 13, 2024 13:52	5,492	83,759,970	17,574,046	0	2,244,608
29	Jun 13, 2024 13:52	5,499	83,692,327	17,597,920	0	2,244,608
30	Jun 13, 2024 14:07	5,501	75,301,234	17,604,217	0	2,256,896
31	Jun 13, 2024 14:07	5,502	83,987,135	17,607,430	0	2,248,704
32	Jun 13, 2024 13:52	5,512	70,945,323	17,639,287	0	2,236,416
33	Jun 13, 2024 14:07	5,515	90,091,449	17,648,808	0	2,236,416
34	Jun 13, 2024 15:57	5,516	98,203,878	17,652,058	0	2,244,608
35	Jun 13, 2024 15:57	5,582	97,847,541	17,863,416	0	2,240,512
36	Jun 13, 2024 15:57	5,623	70,322,064	17,992,237	0	2,248,704

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