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 listMay 25, 2021 22:58

Mikhail Dektyarev

Score: 4,853

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 25, 2021 22:58	4,819	41,245,944	14,393,000	1,028,000	2,396,160
2	May 25, 2021 22:58	4,820	31,987,434	14,396,000	1,028,000	2,281,472
3	May 25, 2021 22:58	4,826	34,788,157	15,442,000	0	2,281,472
4	May 25, 2021 22:58	4,826	32,910,879	14,415,000	1,029,000	2,404,352
5	May 25, 2021 22:58	4,831	31,809,749	14,430,000	1,030,000	2,281,472
6	May 25, 2021 22:58	4,831	35,260,892	14,428,000	1,030,000	2,281,472
7	May 25, 2021 22:58	4,833	37,583,018	15,466,000	0	2,281,472
8	May 25, 2021 22:58	4,833	38,709,303	14,434,000	1,031,000	2,281,472
9	May 25, 2021 22:58	4,834	31,598,487	14,439,000	1,031,000	2,404,352
10	May 25, 2021 22:58	4,838	29,820,033	14,448,000	1,032,000	2,396,160
11	May 25, 2021 22:58	4,838	31,824,125	15,480,000	0	2,408,448
12	May 25, 2021 22:58	4,839	30,862,688	14,454,000	1,032,000	2,387,968
13	May 25, 2021 22:58	4,841	39,378,018	14,459,000	1,032,000	2,281,472
14	May 25, 2021 22:58	4,843	28,750,876	15,499,000	0	2,404,352
15	May 25, 2021 22:58	4,846	34,546,340	15,508,000	0	2,281,472
16	May 25, 2021 22:58	4,848	35,158,628	15,514,000	0	2,281,472
17	May 25, 2021 22:58	4,848	30,583,069	14,481,000	1,034,000	2,281,472
18	May 25, 2021 22:58	4,849	32,940,270	15,517,000	0	2,400,256
19	May 25, 2021 22:58	4,853	27,126,421	14,495,000	1,035,000	2,281,472
20	May 25, 2021 22:58	4,855	33,738,335	15,536,000	0	2,281,472
21	May 25, 2021 22:58	4,855	37,543,774	15,537,000	0	2,392,064
22	May 25, 2021 22:58	4,856	41,282,413	14,504,000	1,036,000	2,281,472
23	May 25, 2021 22:58	4,860	31,677,350	14,517,000	1,036,000	2,404,352
24	May 25, 2021 22:58	4,864	39,492,204	14,528,000	1,037,000	2,281,472
25	May 25, 2021 22:58	4,867	30,270,400	15,574,000	0	2,281,472
26	May 25, 2021 22:58	4,873	39,276,781	14,554,000	1,039,000	2,281,472
27	May 25, 2021 22:58	4,878	49,260,774	15,608,000	0	2,281,472
28	May 25, 2021 22:58	5,015	44,205,209	16,046,800	0	2,297,856
29	May 25, 2021 22:58	5,031	51,650,824	16,099,630	0	2,256,896
30	May 25, 2021 22:58	5,032	88,431,209	16,102,711	0	2,293,760
31	May 25, 2021 22:58	5,035	79,703,711	16,111,991	0	2,293,760
32	May 25, 2021 22:58	5,037	48,105,523	16,119,170	0	2,281,472
33	May 25, 2021 22:58	5,053	55,752,769	16,170,583	0	2,289,664
34	May 25, 2021 22:58	5,054	82,254,042	16,172,477	0	2,289,664
35	May 25, 2021 22:58	5,054	67,609,468	16,173,368	0	2,285,568
36	May 25, 2021 22:58	5,092	43,668,513	16,294,827	0	2,289,664

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