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 listAug 21, 2022 22:05

Franek Korta

Score: 4,968

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 21, 2022 22:04	4,893	34,363,657	14,613,000	1,043,000	2,519,040
2	Aug 21, 2022 22:05	4,896	36,874,715	14,622,000	1,044,000	2,519,040
3	Aug 21, 2022 22:04	4,903	47,291,967	14,644,000	1,046,000	2,519,040
4	Aug 21, 2022 22:04	4,905	41,586,640	14,651,000	1,046,000	2,523,136
5	Aug 21, 2022 22:04	4,907	41,298,065	12,562,000	3,140,000	2,519,040
6	Aug 21, 2022 22:05	4,907	32,961,218	13,610,000	2,093,000	2,379,776
7	Aug 21, 2022 22:04	4,908	44,822,451	15,706,000	0	2,519,040
8	Aug 21, 2022 22:04	4,910	36,938,473	14,666,000	1,047,000	2,371,584
9	Aug 21, 2022 22:05	4,914	34,845,956	14,677,000	1,048,000	2,523,136
10	Aug 21, 2022 22:05	4,956	32,794,966	13,877,000	1,982,000	2,519,040
11	Aug 21, 2022 22:05	4,958	42,006,826	14,875,000	991,000	2,375,680
12	Aug 21, 2022 22:05	4,958	44,030,396	13,881,000	1,983,000	2,519,040
13	Aug 21, 2022 22:05	4,959	42,143,126	13,886,000	1,983,000	2,379,776
14	Aug 21, 2022 22:05	4,959	37,143,535	13,885,000	1,983,000	2,375,680
15	Aug 21, 2022 22:04	4,959	32,555,954	14,877,000	991,000	2,375,680
16	Aug 21, 2022 22:05	4,960	39,467,977	12,896,000	2,976,000	2,371,584
17	Aug 21, 2022 22:04	4,961	45,463,596	13,891,000	1,984,000	2,519,040
18	Aug 21, 2022 22:05	4,962	40,675,864	12,901,000	2,977,000	2,457,600
19	Aug 21, 2022 22:05	4,962	42,554,741	12,902,000	2,977,000	2,519,040
20	Aug 21, 2022 22:05	4,963	44,773,130	13,896,000	1,985,000	2,375,680
21	Aug 21, 2022 22:05	4,963	35,617,254	14,891,000	992,000	2,519,040
22	Aug 21, 2022 22:04	4,964	40,448,502	14,892,000	992,000	2,379,776
23	Aug 21, 2022 22:05	4,965	49,541,360	12,910,000	2,979,000	2,371,584
24	Aug 21, 2022 22:05	4,965	37,634,070	13,902,000	1,986,000	2,519,040
25	Aug 21, 2022 22:05	4,968	49,474,769	14,903,000	993,000	2,490,368
26	Aug 21, 2022 22:05	4,970	40,880,216	14,911,000	994,000	2,260,992
27	Aug 21, 2022 22:05	4,970	46,319,635	12,922,000	2,982,000	2,519,040
28	Aug 21, 2022 22:05	5,041	89,791,601	16,129,970	0	2,281,472
29	Aug 21, 2022 22:05	5,077	84,128,533	16,247,569	0	2,285,568
30	Aug 21, 2022 22:05	5,086	84,958,258	16,274,781	0	2,285,568
31	Aug 21, 2022 22:04	5,117	93,529,970	16,375,100	0	2,289,664
32	Aug 21, 2022 22:04	5,136	101,740,853	16,435,749	0	2,273,280
33	Aug 21, 2022 22:04	5,137	86,867,150	16,437,100	0	2,248,704
34	Aug 21, 2022 22:05	5,178	94,979,032	16,570,652	0	2,269,184
35	Aug 21, 2022 22:05	5,179	77,939,674	16,572,658	0	2,281,472
36	Aug 21, 2022 22:05	5,188	96,483,501	16,602,134	0	2,281,472
37	Aug 21, 2022 22:05	5,382	44,578,179	13,171,000	4,052,000	2,519,040
38	Aug 21, 2022 22:05	5,385	41,722,680	16,219,000	1,013,000	2,519,040
39	Aug 21, 2022 22:05	5,398	47,193,795	15,242,000	2,032,000	2,519,040
40	Aug 21, 2022 22:05	5,404	39,016,703	16,275,000	1,017,000	2,519,040
41	Aug 21, 2022 22:05	5,425	33,796,095	16,340,000	1,021,000	2,260,992
42	Aug 21, 2022 22:05	5,426	45,767,921	16,343,000	1,021,000	2,375,680
43	Aug 21, 2022 22:05	5,426	47,943,410	15,320,000	2,042,000	2,519,040
44	Aug 21, 2022 22:05	5,435	34,834,159	13,299,000	4,092,000	2,449,408
45	Aug 21, 2022 22:05	5,436	41,686,442	16,371,000	1,023,000	2,519,040
46	Aug 21, 2022 22:05	5,544	77,910,320	17,739,685	0	2,277,376
47	Aug 21, 2022 22:05	5,593	92,679,902	17,897,425	0	2,285,568
48	Aug 21, 2022 22:05	5,594	94,864,636	17,901,974	0	2,273,280

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