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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kytans

Score: 5,314

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 14, 2024 11:52	5,267	42,298,134	15,864,000	991,000	2,531,328
2	Jul 14, 2024 11:52	5,274	41,580,430	15,885,000	992,000	2,269,184
3	Jul 14, 2024 11:51	5,276	44,115,532	16,883,000	0	2,269,184
4	Jul 14, 2024 11:52	5,276	32,366,842	16,884,000	0	2,498,560
5	Jul 14, 2024 11:51	5,281	41,830,204	14,912,000	1,988,000	2,269,184
6	Jul 14, 2024 11:52	5,281	42,393,576	14,911,000	1,988,000	2,498,560
7	Jul 14, 2024 11:51	5,283	41,222,458	15,910,000	994,000	2,506,752
8	Jul 14, 2024 11:52	5,289	39,024,572	14,935,000	1,991,000	2,269,184
9	Jul 14, 2024 11:51	5,290	37,863,151	15,934,000	995,000	2,531,328
10	Jul 14, 2024 11:51	5,291	41,425,749	14,939,000	1,991,000	2,494,464
11	Jul 14, 2024 11:51	5,293	41,891,563	15,943,000	996,000	2,498,560
12	Jul 14, 2024 11:52	5,300	42,127,825	15,964,000	997,000	2,498,560
13	Jul 14, 2024 11:51	5,304	40,734,304	15,974,000	998,000	2,531,328
14	Jul 14, 2024 11:52	5,304	33,413,083	15,976,000	998,000	2,531,328
15	Jul 14, 2024 11:51	5,311	35,327,562	15,995,000	999,000	2,498,560
16	Jul 14, 2024 11:52	5,311	33,009,614	13,996,000	2,999,000	2,269,184
17	Jul 14, 2024 11:51	5,312	34,533,893	14,998,000	1,999,000	2,269,184
18	Jul 14, 2024 11:52	5,313	48,154,802	14,003,000	3,000,000	2,269,184
19	Jul 14, 2024 11:51	5,314	36,630,514	16,006,000	1,000,000	2,498,560
20	Jul 14, 2024 11:51	5,319	30,163,646	16,019,000	1,001,000	2,531,328
21	Jul 14, 2024 11:51	5,320	38,530,268	16,024,000	1,001,000	2,265,088
22	Jul 14, 2024 11:51	5,323	43,093,605	15,029,000	2,003,000	2,498,560
23	Jul 14, 2024 11:51	5,327	40,910,857	16,043,000	1,002,000	2,531,328
24	Jul 14, 2024 11:51	5,332	39,787,893	15,055,000	2,007,000	2,531,328
25	Jul 14, 2024 11:51	5,343	39,028,932	14,079,000	3,017,000	2,269,184
26	Jul 14, 2024 11:51	5,346	41,480,324	16,100,000	1,006,000	2,531,328
27	Jul 14, 2024 11:51	5,355	36,904,126	16,129,000	1,008,000	2,531,328
28	Jul 14, 2024 11:52	5,584	63,299,370	17,867,892	0	2,244,608
29	Jul 14, 2024 11:52	5,591	75,993,827	17,892,558	0	2,244,608
30	Jul 14, 2024 11:51	5,591	68,666,104	17,890,865	0	2,232,320
31	Jul 14, 2024 11:51	5,593	78,644,539	17,896,028	0	2,248,704
32	Jul 14, 2024 11:51	5,598	88,731,902	17,913,722	0	2,248,704
33	Jul 14, 2024 11:51	5,608	85,749,227	17,946,693	0	2,375,680
34	Jul 14, 2024 11:52	5,616	85,818,022	17,970,532	0	2,260,992
35	Jul 14, 2024 11:51	5,616	100,773,761	17,970,720	0	2,244,608
36	Jul 14, 2024 11:51	5,662	76,379,518	18,116,867	0	2,240,512

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