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 12, 2024 23:43	5,268	37,388,398	14,875,000	1,983,000	2,293,760
2	Jun 12, 2024 23:43	5,268	39,983,740	14,874,000	1,983,000	2,293,760
3	Jun 12, 2024 23:43	5,269	46,736,026	14,879,000	1,983,000	2,379,776
4	Jun 12, 2024 23:43	5,269	44,189,433	14,879,000	1,983,000	2,383,872
5	Jun 12, 2024 23:48	5,269	43,536,558	15,871,000	991,000	2,367,488
6	Jun 12, 2024 23:48	5,272	34,176,107	14,885,000	1,984,000	2,359,296
7	Jun 12, 2024 23:43	5,274	36,495,629	14,893,000	1,985,000	2,375,680
8	Jun 12, 2024 23:43	5,276	34,633,815	15,890,000	993,000	2,367,488
9	Jun 12, 2024 23:48	5,277	42,295,333	14,901,000	1,986,000	2,293,760
10	Jun 12, 2024 23:43	5,278	45,121,572	15,896,000	993,000	2,379,776
11	Jun 12, 2024 23:43	5,279	44,917,035	15,900,000	993,000	2,473,984
12	Jun 12, 2024 23:43	5,279	39,372,763	15,838,000	1,055,000	2,355,200
13	Jun 12, 2024 23:48	5,282	32,125,321	14,914,000	1,988,000	2,293,760
14	Jun 12, 2024 23:48	5,283	34,244,306	15,913,000	994,000	2,293,760
15	Jun 12, 2024 23:48	5,284	34,716,775	15,916,000	994,000	2,293,760
16	Jun 12, 2024 23:43	5,284	47,511,332	15,915,000	994,000	2,293,760
17	Jun 12, 2024 23:43	5,284	40,514,070	15,916,000	994,000	2,375,680
18	Jun 12, 2024 23:43	5,287	41,777,963	14,927,000	1,990,000	2,293,760
19	Jun 12, 2024 23:48	5,290	34,739,867	15,932,000	995,000	2,289,664
20	Jun 12, 2024 23:43	5,298	48,977,462	15,958,000	997,000	2,379,776
21	Jun 12, 2024 23:48	5,300	47,696,880	14,965,000	1,995,000	2,367,488
22	Jun 12, 2024 23:43	5,302	42,590,198	15,968,000	998,000	2,375,680
23	Jun 12, 2024 23:48	5,302	30,890,917	15,968,000	998,000	2,293,760
24	Jun 12, 2024 23:43	5,302	43,651,189	14,971,000	1,996,000	2,367,488
25	Jun 12, 2024 23:43	5,308	35,399,477	15,985,000	999,000	2,285,568
26	Jun 12, 2024 23:43	5,318	47,325,019	16,016,000	1,001,000	2,371,584
27	Jun 12, 2024 23:43	5,329	45,142,822	15,046,000	2,006,000	2,293,760
28	Jun 12, 2024 23:48	5,495	97,579,499	17,583,544	0	2,375,680
29	Jun 12, 2024 23:43	5,495	103,402,472	17,585,312	0	2,244,608
30	Jun 12, 2024 23:48	5,501	91,411,928	17,602,647	0	2,248,704
31	Jun 12, 2024 23:43	5,510	103,552,924	17,632,685	0	2,252,800
32	Jun 12, 2024 23:43	5,512	97,664,353	17,638,806	0	2,240,512
33	Jun 12, 2024 23:43	5,530	74,208,959	17,695,293	0	2,240,512
34	Jun 12, 2024 23:43	5,530	107,094,758	17,695,052	0	2,232,320
35	Jun 12, 2024 23:43	5,532	85,916,041	17,701,742	0	2,236,416
36	Jun 12, 2024 23:48	5,534	83,227,032	17,710,082	0	2,244,608

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