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 listSep 7, 2022 04:50

Yuriy Lyfenko

Score: 4,523

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 7, 2022 04:49	4,378	543,048,278	12,008,000	2,001,000	2,265,088
2	Sep 7, 2022 04:52	4,399	541,035,660	12,066,000	2,011,000	2,265,088
3	Sep 7, 2022 04:52	4,401	538,769,743	12,071,000	2,011,000	2,387,968
4	Sep 7, 2022 04:49	4,406	539,625,305	12,086,000	2,014,000	2,514,944
5	Sep 7, 2022 04:49	4,407	541,304,172	12,089,000	2,014,000	2,387,968
6	Sep 7, 2022 04:52	4,410	542,945,134	13,105,000	1,008,000	2,523,136
7	Sep 7, 2022 04:52	4,414	538,779,963	13,117,000	1,009,000	2,265,088
8	Sep 7, 2022 04:49	4,423	538,630,902	12,131,000	2,021,000	2,527,232
9	Sep 7, 2022 04:49	4,424	539,010,840	12,135,000	2,022,000	2,260,992
10	Sep 7, 2022 04:52	4,424	544,843,891	12,135,000	2,022,000	2,265,088
11	Sep 7, 2022 04:49	4,428	545,519,711	12,144,000	2,024,000	2,265,088
12	Sep 7, 2022 04:52	4,431	537,284,623	13,167,000	1,012,000	2,260,992
13	Sep 7, 2022 04:49	4,433	544,085,600	13,171,000	1,013,000	2,392,064
14	Sep 7, 2022 04:49	4,440	538,582,687	14,207,000	0	2,527,232
15	Sep 7, 2022 04:49	4,444	545,895,764	12,190,000	2,031,000	2,265,088
16	Sep 7, 2022 04:49	4,457	545,477,107	13,245,000	1,018,000	2,523,136
17	Sep 7, 2022 04:52	4,468	540,891,353	13,275,000	1,021,000	2,523,136
18	Sep 7, 2022 04:49	4,472	542,042,941	14,310,000	0	2,392,064
19	Sep 7, 2022 04:49	4,475	536,099,365	14,320,000	0	2,523,136
20	Sep 7, 2022 04:49	4,480	541,843,334	13,312,000	1,024,000	2,523,136
21	Sep 7, 2022 04:49	4,481	536,534,990	14,340,000	0	2,383,872
22	Sep 7, 2022 04:49	4,486	544,890,650	13,331,000	1,025,000	2,523,136
23	Sep 7, 2022 04:49	4,486	537,098,521	13,331,000	1,025,000	2,260,992
24	Sep 7, 2022 04:52	4,497	542,301,717	13,362,000	1,027,000	2,260,992
25	Sep 7, 2022 04:49	4,523	539,892,423	14,474,000	0	2,260,992
26	Sep 7, 2022 04:52	4,548	540,247,596	14,553,000	0	2,527,232
27	Sep 7, 2022 04:49	4,549	547,552,709	13,517,000	1,039,000	2,260,992
28	Sep 7, 2022 04:52	4,598	573,356,501	14,713,055	0	2,244,608
29	Sep 7, 2022 04:49	4,598	568,484,472	14,712,642	0	2,277,376
30	Sep 7, 2022 04:49	4,600	569,043,166	14,721,442	0	2,240,512
31	Sep 7, 2022 04:52	4,603	570,777,547	14,730,216	0	2,244,608
32	Sep 7, 2022 04:52	4,611	579,114,206	14,753,901	0	2,269,184
33	Sep 7, 2022 04:49	4,627	572,124,244	14,805,708	0	2,281,472
34	Sep 7, 2022 04:49	4,648	580,557,050	14,872,579	0	2,244,608
35	Sep 7, 2022 04:49	4,653	582,918,765	14,890,740	0	2,277,376
36	Sep 7, 2022 04:49	4,666	578,450,629	14,929,747	0	2,240,512
37	Sep 7, 2022 04:50	5,339	542,881,859	15,076,000	2,010,000	2,523,136
38	Sep 7, 2022 04:50	5,344	551,704,053	15,090,000	2,012,000	2,265,088
39	Sep 7, 2022 04:50	5,348	547,666,735	16,108,000	1,006,000	2,523,136
40	Sep 7, 2022 04:50	5,355	549,034,436	15,120,000	2,016,000	2,523,136
41	Sep 7, 2022 04:50	5,360	543,890,769	16,144,000	1,009,000	2,523,136
42	Sep 7, 2022 04:50	5,365	545,262,724	16,159,000	1,009,000	2,265,088
43	Sep 7, 2022 04:50	5,374	542,878,537	16,187,000	1,011,000	2,265,088
44	Sep 7, 2022 04:50	5,377	539,112,603	16,194,000	1,012,000	2,260,992
45	Sep 7, 2022 04:50	5,401	541,239,801	17,284,000	0	2,523,136
46	Sep 7, 2022 04:50	5,495	578,674,607	17,583,082	0	2,277,376
47	Sep 7, 2022 04:50	5,515	580,883,908	17,646,414	0	2,277,376
48	Sep 7, 2022 04:50	5,538	582,755,553	17,722,475	0	2,240,512

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