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 9, 2024 21:09	5,276	40,840,901	15,891,000	993,000	2,293,760
2	Jun 9, 2024 21:09	5,282	43,870,803	14,914,000	1,988,000	2,375,680
3	Jun 9, 2024 21:11	5,291	42,900,260	15,936,000	996,000	2,293,760
4	Jun 9, 2024 21:11	5,297	46,219,108	15,953,000	997,000	2,379,776
5	Jun 9, 2024 21:09	5,300	39,653,641	14,964,000	1,995,000	2,367,488
6	Jun 9, 2024 21:09	5,303	34,197,248	15,970,000	998,000	2,375,680
7	Jun 9, 2024 21:09	5,304	32,083,584	14,976,000	1,996,000	2,293,760
8	Jun 9, 2024 21:11	5,306	42,980,605	15,980,000	998,000	2,355,200
9	Jun 9, 2024 21:11	5,306	43,330,266	14,982,000	1,997,000	2,293,760
10	Jun 9, 2024 21:11	5,307	33,856,474	14,984,000	1,997,000	2,367,488
11	Jun 9, 2024 21:09	5,308	35,624,114	14,987,000	1,998,000	2,379,776
12	Jun 9, 2024 21:09	5,308	42,464,967	14,989,000	1,998,000	2,363,392
13	Jun 9, 2024 21:09	5,311	41,328,386	14,997,000	1,999,000	2,367,488
14	Jun 9, 2024 21:11	5,314	42,576,659	15,006,000	2,000,000	2,371,584
15	Jun 9, 2024 21:09	5,314	42,688,776	16,004,000	1,000,000	2,375,680
16	Jun 9, 2024 21:09	5,315	49,131,470	16,007,000	1,000,000	2,293,760
17	Jun 9, 2024 21:09	5,318	41,385,538	16,018,000	1,001,000	2,293,760
18	Jun 9, 2024 21:11	5,318	31,641,763	16,016,000	1,001,000	2,293,760
19	Jun 9, 2024 21:11	5,319	43,590,103	16,019,000	1,001,000	2,367,488
20	Jun 9, 2024 21:09	5,323	36,047,935	15,029,000	2,003,000	2,469,888
21	Jun 9, 2024 21:09	5,324	44,444,664	16,036,000	1,002,000	2,293,760
22	Jun 9, 2024 21:09	5,326	42,560,817	15,037,000	2,005,000	2,293,760
23	Jun 9, 2024 21:11	5,328	32,804,213	16,047,000	1,002,000	2,379,776
24	Jun 9, 2024 21:09	5,341	49,768,705	15,081,000	2,010,000	2,363,392
25	Jun 9, 2024 21:09	5,341	42,952,186	15,082,000	2,010,000	2,293,760
26	Jun 9, 2024 21:09	5,345	43,439,669	16,097,000	1,006,000	2,293,760
27	Jun 9, 2024 21:09	5,350	39,313,119	16,112,000	1,007,000	2,371,584
28	Jun 9, 2024 21:09	5,553	95,707,901	17,770,101	0	2,252,800
29	Jun 9, 2024 21:09	5,569	68,964,745	17,822,129	0	2,248,704
30	Jun 9, 2024 21:09	5,578	85,063,647	17,848,067	0	2,252,800
31	Jun 9, 2024 21:09	5,639	72,002,166	18,046,016	0	2,248,704
32	Jun 9, 2024 21:09	5,675	98,628,621	18,161,500	0	2,260,992
33	Jun 9, 2024 21:11	5,681	99,990,381	18,180,030	0	2,252,800
34	Jun 9, 2024 21:11	5,709	96,361,861	18,268,083	0	2,265,088
35	Jun 9, 2024 21:09	5,719	93,644,487	18,300,860	0	2,240,512
36	Jun 9, 2024 21:11	6,599	123,754,438	21,117,176	0	2,277,376

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