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 00:02	5,278	46,880,179	14,904,000	1,987,000	2,371,584
2	Jun 13, 2024 00:03	5,289	41,971,550	14,933,000	1,991,000	2,293,760
3	Jun 13, 2024 00:02	5,294	41,379,426	15,944,000	996,000	2,371,584
4	Jun 13, 2024 00:03	5,294	42,828,214	14,949,000	1,993,000	2,375,680
5	Jun 13, 2024 00:04	5,299	42,539,954	14,963,000	1,995,000	2,371,584
6	Jun 13, 2024 00:02	5,301	44,135,497	14,967,000	1,995,000	2,363,392
7	Jun 13, 2024 00:04	5,301	44,638,493	15,967,000	997,000	2,379,776
8	Jun 13, 2024 00:04	5,303	41,331,801	15,971,000	998,000	2,371,584
9	Jun 13, 2024 00:03	5,304	41,880,413	14,977,000	1,996,000	2,293,760
10	Jun 13, 2024 00:03	5,305	43,222,035	15,977,000	998,000	2,367,488
11	Jun 13, 2024 00:03	5,308	44,440,458	14,989,000	1,998,000	2,375,680
12	Jun 13, 2024 00:02	5,310	36,379,653	14,992,000	1,999,000	2,375,680
13	Jun 13, 2024 00:04	5,312	37,870,584	15,998,000	999,000	2,371,584
14	Jun 13, 2024 00:03	5,313	51,889,878	15,001,000	2,000,000	2,293,760
15	Jun 13, 2024 00:02	5,313	47,232,401	16,003,000	1,000,000	2,297,856
16	Jun 13, 2024 00:03	5,314	41,072,255	15,005,000	2,000,000	2,371,584
17	Jun 13, 2024 00:04	5,314	32,920,439	16,005,000	1,000,000	2,371,584
18	Jun 13, 2024 00:02	5,316	32,642,899	15,009,000	2,001,000	2,293,760
19	Jun 13, 2024 00:03	5,317	42,217,865	15,012,000	2,001,000	2,371,584
20	Jun 13, 2024 00:02	5,318	44,538,235	15,015,000	2,002,000	2,371,584
21	Jun 13, 2024 00:02	5,318	45,472,358	16,018,000	1,001,000	2,293,760
22	Jun 13, 2024 00:04	5,323	42,352,460	16,031,000	1,001,000	2,478,080
23	Jun 13, 2024 00:04	5,325	49,854,040	16,039,000	1,002,000	2,375,680
24	Jun 13, 2024 00:03	5,328	42,729,225	15,044,000	2,005,000	2,293,760
25	Jun 13, 2024 00:02	5,329	44,870,604	15,046,000	2,006,000	2,293,760
26	Jun 13, 2024 00:04	5,333	41,331,455	16,062,000	1,003,000	2,293,760
27	Jun 13, 2024 00:04	5,335	42,004,428	16,067,000	1,004,000	2,379,776
28	Jun 13, 2024 00:02	5,534	84,634,859	17,708,570	0	2,244,608
29	Jun 13, 2024 00:03	5,539	103,789,724	17,726,111	0	2,244,608
30	Jun 13, 2024 00:03	5,539	92,475,313	17,725,508	0	2,236,416
31	Jun 13, 2024 00:02	5,544	84,023,839	17,740,667	0	2,351,104
32	Jun 13, 2024 00:04	5,545	62,933,539	17,745,540	0	2,240,512
33	Jun 13, 2024 00:02	5,560	91,667,061	17,792,572	0	2,375,680
34	Jun 13, 2024 00:03	5,563	75,128,415	17,801,215	0	2,256,896
35	Jun 13, 2024 00:04	5,583	61,130,379	17,867,019	0	2,240,512
36	Jun 13, 2024 00:04	5,590	85,732,875	17,888,969	0	2,240,512

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