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 04:24	5,268	46,999,734	15,866,000	991,000	2,293,760
2	Jun 13, 2024 04:24	5,269	46,233,203	15,870,000	991,000	2,293,760
3	Jun 13, 2024 03:27	5,269	34,313,848	16,860,000	0	2,293,760
4	Jun 13, 2024 03:27	5,270	38,315,625	15,873,000	992,000	2,293,760
5	Jun 13, 2024 04:24	5,272	44,664,196	14,886,000	1,984,000	2,371,584
6	Jun 13, 2024 03:27	5,273	43,570,385	16,873,000	0	2,293,760
7	Jun 13, 2024 03:47	5,275	42,680,232	15,888,000	993,000	2,375,680
8	Jun 13, 2024 03:47	5,275	47,612,851	15,888,000	993,000	2,293,760
9	Jun 13, 2024 04:24	5,275	46,794,302	16,881,000	0	2,363,392
10	Jun 13, 2024 03:27	5,275	49,994,798	14,894,000	1,985,000	2,293,760
11	Jun 13, 2024 03:47	5,276	41,597,764	15,889,000	993,000	2,363,392
12	Jun 13, 2024 03:47	5,278	47,053,662	14,903,000	1,987,000	2,293,760
13	Jun 13, 2024 03:47	5,280	36,774,337	14,909,000	1,987,000	2,371,584
14	Jun 13, 2024 03:47	5,281	49,020,613	14,910,000	1,988,000	2,293,760
15	Jun 13, 2024 04:24	5,281	35,156,724	14,910,000	1,988,000	2,371,584
16	Jun 13, 2024 03:47	5,282	41,801,740	14,914,000	1,988,000	2,371,584
17	Jun 13, 2024 04:24	5,282	44,022,340	14,913,000	1,988,000	2,293,760
18	Jun 13, 2024 03:27	5,283	44,256,968	14,916,000	1,988,000	2,363,392
19	Jun 13, 2024 03:47	5,289	42,596,276	14,934,000	1,991,000	2,293,760
20	Jun 13, 2024 03:47	5,292	48,608,527	14,942,000	1,992,000	2,293,760
21	Jun 13, 2024 04:24	5,292	45,545,710	15,939,000	996,000	2,478,080
22	Jun 13, 2024 03:27	5,292	45,326,047	14,943,000	1,992,000	2,293,760
23	Jun 13, 2024 03:27	5,292	42,985,909	15,939,000	996,000	2,293,760
24	Jun 13, 2024 04:24	5,298	42,309,007	14,961,000	1,994,000	2,375,680
25	Jun 13, 2024 04:24	5,298	42,903,051	14,959,000	1,994,000	2,293,760
26	Jun 13, 2024 03:27	5,320	39,727,334	15,022,000	2,002,000	2,375,680
27	Jun 13, 2024 03:27	5,321	43,784,317	15,024,000	2,003,000	2,367,488
28	Jun 13, 2024 03:27	5,484	86,691,569	17,549,798	0	2,244,608
29	Jun 13, 2024 04:24	5,504	82,645,797	17,613,115	0	2,244,608
30	Jun 13, 2024 03:47	5,504	85,850,696	17,611,943	0	2,236,416
31	Jun 13, 2024 03:47	5,516	65,518,427	17,651,976	0	2,265,088
32	Jun 13, 2024 03:47	5,520	101,938,388	17,663,286	0	2,252,800
33	Jun 13, 2024 03:27	5,526	71,433,432	17,683,326	0	2,379,776
34	Jun 13, 2024 04:24	5,527	89,609,831	17,687,954	0	2,244,608
35	Jun 13, 2024 03:27	5,530	69,375,178	17,695,550	0	2,252,800
36	Jun 13, 2024 04:24	5,537	64,523,750	17,719,676	0	2,252,800

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