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 19:55	5,211	42,430,178	16,674,000	0	2,371,584
2	Jun 13, 2024 19:55	5,212	45,637,878	16,678,000	0	2,363,392
3	Jun 13, 2024 19:55	5,214	38,967,853	15,642,000	1,042,000	2,293,760
4	Jun 13, 2024 19:56	5,216	49,061,775	15,647,000	1,043,000	2,375,680
5	Jun 13, 2024 19:55	5,219	41,677,343	16,700,000	0	2,371,584
6	Jun 13, 2024 19:55	5,220	38,012,889	15,661,000	1,044,000	2,367,488
7	Jun 13, 2024 19:55	5,220	45,922,079	16,703,000	0	2,375,680
8	Jun 13, 2024 19:55	5,223	44,051,796	15,669,000	1,044,000	2,371,584
9	Jun 13, 2024 19:56	5,225	45,441,553	16,721,000	0	2,379,776
10	Jun 13, 2024 19:55	5,228	32,541,973	16,729,000	0	2,371,584
11	Jun 13, 2024 19:56	5,229	45,056,388	15,689,000	1,045,000	2,371,584
12	Jun 13, 2024 19:56	5,231	46,005,200	16,739,000	0	2,379,776
13	Jun 13, 2024 19:55	5,258	35,016,530	14,846,000	1,979,000	2,371,584
14	Jun 13, 2024 19:56	5,264	44,543,841	16,844,000	0	2,371,584
15	Jun 13, 2024 19:55	5,268	45,436,480	14,876,000	1,983,000	2,371,584
16	Jun 13, 2024 19:55	5,268	39,218,857	15,868,000	991,000	2,367,488
17	Jun 13, 2024 19:55	5,269	49,709,875	15,871,000	991,000	2,363,392
18	Jun 13, 2024 19:55	5,271	42,804,437	15,875,000	992,000	2,293,760
19	Jun 13, 2024 19:56	5,272	31,466,961	14,885,000	1,984,000	2,375,680
20	Jun 13, 2024 19:56	5,272	46,434,139	15,879,000	992,000	2,293,760
21	Jun 13, 2024 19:55	5,273	47,958,833	15,883,000	992,000	2,293,760
22	Jun 13, 2024 19:56	5,273	42,441,574	15,882,000	992,000	2,494,464
23	Jun 13, 2024 19:55	5,275	34,080,538	14,894,000	1,985,000	2,293,760
24	Jun 13, 2024 19:55	5,279	43,176,218	14,906,000	1,987,000	2,375,680
25	Jun 13, 2024 19:55	5,279	43,604,174	14,907,000	1,987,000	2,371,584
26	Jun 13, 2024 19:56	5,281	43,707,361	14,911,000	1,988,000	2,293,760
27	Jun 13, 2024 19:55	5,282	44,927,799	14,913,000	1,988,000	2,293,760
28	Jun 13, 2024 19:55	5,457	66,792,342	17,463,892	0	2,379,776
29	Jun 13, 2024 19:56	5,464	77,045,459	17,483,562	0	2,387,968
30	Jun 13, 2024 19:56	5,465	62,298,983	17,487,508	0	2,244,608
31	Jun 13, 2024 19:55	5,467	82,607,537	17,495,459	0	2,375,680
32	Jun 13, 2024 19:55	5,471	75,809,295	17,505,767	0	2,248,704
33	Jun 13, 2024 19:55	5,485	94,029,873	17,553,596	0	2,371,584
34	Jun 13, 2024 19:56	5,495	66,783,820	17,584,535	0	2,236,416
35	Jun 13, 2024 19:55	5,501	82,299,944	17,602,146	0	2,367,488
36	Jun 13, 2024 19:55	5,534	56,925,954	17,709,000	0	2,240,512

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