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.

Back to listJan 18, 2024 22:16

Franek Korta

Score: 4,847

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 18, 2024 22:12	4,609	31,716,119	14,749,000	0	2,449,408
2	Jan 18, 2024 22:12	4,642	30,850,316	12,873,000	1,980,000	2,527,232
3	Jan 18, 2024 22:13	4,644	37,941,051	14,861,000	0	2,269,184
4	Jan 18, 2024 22:12	4,644	32,161,823	12,881,000	1,981,000	2,449,408
5	Jan 18, 2024 22:12	4,648	38,608,136	13,884,000	991,000	2,269,184
6	Jan 18, 2024 22:13	4,648	30,534,485	13,883,000	991,000	2,437,120
7	Jan 18, 2024 22:13	4,648	29,860,131	14,875,000	0	2,531,328
8	Jan 18, 2024 22:12	4,649	33,911,602	13,887,000	991,000	2,449,408
9	Jan 18, 2024 22:12	4,649	28,111,439	11,901,000	2,975,000	2,269,184
10	Jan 18, 2024 22:12	4,649	43,051,238	13,885,000	991,000	2,265,088
11	Jan 18, 2024 22:13	4,649	39,682,379	13,885,000	991,000	2,437,120
12	Jan 18, 2024 22:13	4,649	29,671,461	13,887,000	991,000	2,445,312
13	Jan 18, 2024 22:13	4,649	46,278,152	13,885,000	991,000	2,531,328
14	Jan 18, 2024 22:12	4,650	29,295,599	13,888,000	992,000	2,445,312
15	Jan 18, 2024 22:13	4,652	44,054,412	14,885,000	0	2,445,312
16	Jan 18, 2024 22:13	4,653	30,548,403	13,896,000	992,000	2,445,312
17	Jan 18, 2024 22:13	4,655	31,872,965	13,902,000	993,000	2,269,184
18	Jan 18, 2024 22:12	4,656	39,646,132	13,907,000	993,000	2,441,216
19	Jan 18, 2024 22:12	4,847	83,397,886	15,511,576	0	2,191,360
20	Jan 18, 2024 22:13	4,868	72,181,111	15,576,936	0	2,203,648
21	Jan 18, 2024 22:13	4,873	90,372,741	15,593,317	0	2,207,744
22	Jan 18, 2024 22:12	4,880	75,233,642	15,617,411	0	2,195,456
23	Jan 18, 2024 22:12	4,883	76,024,479	15,625,648	0	2,256,896
24	Jan 18, 2024 22:13	4,896	85,844,386	15,668,613	0	2,203,648
25	Jan 18, 2024 22:16	4,902	41,326,229	15,686,000	0	2,531,328
26	Jan 18, 2024 22:16	4,906	43,895,286	15,700,000	0	2,449,408
27	Jan 18, 2024 22:16	4,907	44,070,080	15,703,000	0	2,531,328
28	Jan 18, 2024 22:16	4,916	30,637,243	15,730,000	0	2,269,184
29	Jan 18, 2024 22:16	4,921	41,492,415	15,746,000	0	2,269,184
30	Jan 18, 2024 22:16	4,960	41,904,693	14,881,000	992,000	2,269,184
31	Jan 18, 2024 22:16	4,963	36,714,428	13,896,000	1,985,000	2,265,088
32	Jan 18, 2024 22:16	4,965	42,042,806	14,895,000	993,000	2,445,312
33	Jan 18, 2024 22:16	4,966	31,368,454	14,899,000	993,000	2,531,328
34	Jan 18, 2024 22:16	5,143	56,581,307	16,459,100	0	2,199,552
35	Jan 18, 2024 22:16	5,157	86,786,047	16,503,845	0	2,207,744
36	Jan 18, 2024 22:16	5,180	77,327,112	16,576,376	0	2,203,648

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