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 listJul 28, 2024 08:43

Ben

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 28, 2024 08:43	4,519	30,014,300	14,460,000	0	2,396,160
2	Jul 28, 2024 08:56	4,527	31,283,640	13,453,000	1,034,000	2,379,776
3	Jul 28, 2024 08:42	4,528	31,616,072	13,455,000	1,035,000	2,396,160
4	Jul 28, 2024 08:43	4,531	32,550,282	14,499,000	0	2,383,872
5	Jul 28, 2024 08:56	4,535	49,286,046	13,477,000	1,036,000	2,265,088
6	Jul 28, 2024 08:42	4,536	32,177,407	14,515,000	0	2,265,088
7	Jul 28, 2024 08:56	4,538	32,641,816	13,486,000	1,037,000	2,265,088
8	Jul 28, 2024 08:42	4,542	30,480,704	13,496,000	1,038,000	2,265,088
9	Jul 28, 2024 08:42	4,543	31,794,804	14,538,000	0	2,506,752
10	Jul 28, 2024 08:42	4,543	32,183,841	14,536,000	0	2,265,088
11	Jul 28, 2024 08:56	4,543	36,925,224	13,498,000	1,038,000	2,383,872
12	Jul 28, 2024 08:56	4,543	34,874,992	13,500,000	1,038,000	2,523,136
13	Jul 28, 2024 08:42	4,544	33,406,688	13,504,000	1,038,000	2,383,872
14	Jul 28, 2024 08:56	4,545	34,262,817	14,543,000	0	2,387,968
15	Jul 28, 2024 08:43	4,551	32,444,039	14,562,000	0	2,387,968
16	Jul 28, 2024 08:43	4,552	37,305,697	13,527,000	1,040,000	2,265,088
17	Jul 28, 2024 08:42	4,553	32,277,993	14,571,000	0	2,387,968
18	Jul 28, 2024 08:56	4,555	36,709,913	14,575,000	0	2,265,088
19	Jul 28, 2024 08:43	4,556	33,743,989	14,580,000	0	2,265,088
20	Jul 28, 2024 08:42	4,561	37,697,335	13,554,000	1,042,000	2,265,088
21	Jul 28, 2024 08:43	4,562	28,904,209	13,557,000	1,042,000	2,265,088
22	Jul 28, 2024 08:42	4,563	32,540,740	14,600,000	0	2,265,088
23	Jul 28, 2024 08:56	4,564	32,737,791	13,563,000	1,043,000	2,396,160
24	Jul 28, 2024 08:43	4,568	33,531,429	14,618,000	0	2,387,968
25	Jul 28, 2024 08:43	4,576	31,983,996	14,642,000	0	2,482,176
26	Jul 28, 2024 08:56	4,577	35,088,769	14,645,000	0	2,392,064
27	Jul 28, 2024 08:43	4,613	45,147,407	13,779,000	984,000	2,265,088
28	Jul 28, 2024 08:42	4,780	81,553,007	15,294,657	0	2,285,568
29	Jul 28, 2024 08:42	4,796	76,923,601	15,348,704	0	2,285,568
30	Jul 28, 2024 08:43	4,800	62,489,589	15,360,662	0	2,281,472
31	Jul 28, 2024 08:42	4,804	100,012,265	15,373,308	0	2,285,568
32	Jul 28, 2024 08:56	4,806	85,427,447	15,378,472	0	2,285,568
33	Jul 28, 2024 08:43	4,807	89,262,123	15,381,262	0	2,293,760
34	Jul 28, 2024 08:56	4,811	94,190,759	15,395,565	0	2,285,568
35	Jul 28, 2024 08:56	4,818	99,950,296	15,416,999	0	2,281,472
36	Jul 28, 2024 08:43	4,843	66,420,905	15,497,533	0	2,289,664

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