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 listFeb 1, 2023 21:40

Victor Muñoz

Score: 5,320

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 11, 2023 19:07	5,282	33,118,863	14,915,000	1,988,000	2,392,064
2	Feb 1, 2023 21:40	5,283	41,234,255	14,917,000	1,988,000	2,392,064
3	Jan 11, 2023 19:06	5,286	48,119,216	16,915,000	0	2,265,088
4	Jan 11, 2023 19:06	5,298	32,489,951	14,961,000	1,994,000	2,265,088
5	Jan 11, 2023 19:07	5,304	41,425,184	14,976,000	1,996,000	2,265,088
6	Feb 1, 2023 21:40	5,306	41,399,082	15,981,000	998,000	2,383,872
7	Feb 1, 2023 21:40	5,306	35,284,109	14,982,000	1,997,000	2,265,088
8	Jan 11, 2023 19:06	5,307	36,584,796	14,984,000	1,997,000	2,527,232
9	Jan 11, 2023 19:06	5,308	31,577,127	14,986,000	1,998,000	2,396,160
10	Feb 1, 2023 21:40	5,308	32,645,611	15,985,000	999,000	2,265,088
11	Jan 11, 2023 19:07	5,314	43,134,062	16,005,000	1,000,000	2,265,088
12	Jan 11, 2023 19:06	5,314	39,707,659	16,005,000	1,000,000	2,502,656
13	Jan 11, 2023 19:07	5,315	36,085,011	15,008,000	2,001,000	2,396,160
14	Jan 11, 2023 19:07	5,315	41,295,402	15,007,000	2,000,000	2,265,088
15	Jan 11, 2023 19:06	5,315	46,533,135	16,007,000	1,000,000	2,265,088
16	Feb 1, 2023 21:40	5,316	43,374,834	15,009,000	2,001,000	2,506,752
17	Feb 1, 2023 21:40	5,317	45,908,825	16,013,000	1,000,000	2,383,872
18	Jan 11, 2023 19:06	5,318	45,202,063	15,015,000	2,002,000	2,265,088
19	Feb 1, 2023 21:40	5,320	48,983,309	16,024,000	1,001,000	2,392,064
20	Jan 11, 2023 19:06	5,322	43,359,167	15,027,000	2,003,000	2,392,064
21	Feb 1, 2023 21:40	5,324	33,820,171	15,033,000	2,004,000	2,527,232
22	Jan 11, 2023 19:07	5,327	48,611,446	16,043,000	1,002,000	2,387,968
23	Jan 11, 2023 19:06	5,328	41,382,313	15,045,000	2,006,000	2,387,968
24	Jan 11, 2023 19:07	5,329	31,486,739	15,046,000	2,006,000	2,396,160
25	Feb 1, 2023 21:40	5,331	44,504,598	16,055,000	1,003,000	2,523,136
26	Jan 11, 2023 19:07	5,333	44,070,158	17,064,000	0	2,387,968
27	Jan 11, 2023 19:07	5,338	42,530,841	16,078,000	1,004,000	2,265,088
28	Jan 11, 2023 19:07	5,531	91,598,038	17,700,187	0	2,289,664
29	Feb 1, 2023 21:40	5,532	83,275,889	17,701,953	0	2,281,472
30	Jan 11, 2023 19:06	5,536	92,298,264	17,715,876	0	2,277,376
31	Jan 11, 2023 19:06	5,538	101,789,649	17,723,103	0	2,240,512
32	Feb 1, 2023 21:40	5,546	58,949,414	17,748,309	0	2,281,472
33	Jan 11, 2023 19:07	5,551	87,365,517	17,763,730	0	2,285,568
34	Jan 11, 2023 19:06	5,551	66,927,652	17,764,016	0	2,277,376
35	Jan 11, 2023 19:07	5,591	83,693,017	17,890,349	0	2,277,376
36	Feb 1, 2023 21:40	5,708	88,994,663	18,266,549	0	2,240,512

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