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 listOct 7, 2023 16:16

Pavel Zagrebin

Score: 5,300

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Oct 7, 2023 16:16	5,271	47,228,687	14,882,000	1,984,000	2,392,064
2	Oct 7, 2023 16:17	5,274	47,064,916	15,886,000	992,000	2,396,160
3	Oct 7, 2023 16:16	5,274	36,650,634	14,891,000	1,985,000	2,392,064
4	Oct 7, 2023 16:17	5,275	46,824,840	15,888,000	993,000	2,265,088
5	Oct 7, 2023 16:16	5,277	44,489,937	15,893,000	993,000	2,392,064
6	Oct 7, 2023 16:16	5,277	39,420,486	14,901,000	1,986,000	2,392,064
7	Oct 7, 2023 16:16	5,278	38,366,009	15,897,000	993,000	2,265,088
8	Oct 7, 2023 16:17	5,278	32,924,828	15,895,000	993,000	2,387,968
9	Oct 7, 2023 16:16	5,283	30,572,214	15,910,000	994,000	2,265,088
10	Oct 7, 2023 16:17	5,287	46,752,332	14,928,000	1,990,000	2,265,088
11	Oct 7, 2023 16:17	5,287	42,181,875	15,923,000	995,000	2,265,088
12	Oct 7, 2023 16:17	5,288	34,001,608	15,864,000	1,057,000	2,387,968
13	Oct 7, 2023 16:17	5,288	50,748,299	15,866,000	1,057,000	2,383,872
14	Oct 7, 2023 16:16	5,289	30,739,975	14,934,000	1,991,000	2,265,088
15	Oct 7, 2023 16:17	5,290	40,538,656	15,933,000	995,000	2,527,232
16	Oct 7, 2023 16:16	5,291	43,684,215	15,935,000	995,000	2,527,232
17	Oct 7, 2023 16:16	5,294	41,966,020	15,944,000	996,000	2,265,088
18	Oct 7, 2023 16:16	5,300	40,432,683	14,964,000	1,995,000	2,527,232
19	Oct 7, 2023 16:16	5,300	43,106,214	15,964,000	997,000	2,265,088
20	Oct 7, 2023 16:17	5,303	36,201,765	15,973,000	998,000	2,387,968
21	Oct 7, 2023 16:16	5,303	36,371,688	15,973,000	998,000	2,387,968
22	Oct 7, 2023 16:16	5,311	46,918,390	15,996,000	999,000	2,387,968
23	Oct 7, 2023 16:16	5,313	49,238,688	16,000,000	1,000,000	2,265,088
24	Oct 7, 2023 16:16	5,320	33,930,604	16,023,000	1,001,000	2,265,088
25	Oct 7, 2023 16:16	5,325	37,701,634	15,036,000	2,004,000	2,490,368
26	Oct 7, 2023 16:16	5,328	47,616,275	16,047,000	1,002,000	2,265,088
27	Oct 7, 2023 16:16	5,340	34,097,363	15,079,000	2,010,000	2,387,968
28	Oct 7, 2023 16:16	5,504	90,461,213	17,611,606	0	2,281,472
29	Oct 7, 2023 16:16	5,510	107,612,910	17,631,697	0	2,265,088
30	Oct 7, 2023 16:16	5,514	74,779,332	17,643,778	0	2,281,472
31	Oct 7, 2023 16:17	5,515	62,870,994	17,649,254	0	2,281,472
32	Oct 7, 2023 16:16	5,526	90,446,791	17,681,600	0	2,277,376
33	Oct 7, 2023 16:17	5,532	64,912,501	17,700,806	0	2,277,376
34	Oct 7, 2023 16:17	5,541	60,916,604	17,731,166	0	2,248,704
35	Oct 7, 2023 16:16	5,552	65,611,265	17,767,068	0	2,277,376
36	Oct 7, 2023 16:16	5,553	103,577,089	17,768,197	0	2,281,472

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