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 listJan 18, 2024 22:42

Franek Korta

Score: 4,696

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 18, 2024 22:42	4,661	30,275,782	13,851,000	1,065,000	2,269,184
2	Jan 18, 2024 22:43	4,662	32,464,963	13,924,000	994,000	2,445,312
3	Jan 18, 2024 22:43	4,668	37,538,731	13,941,000	995,000	2,449,408
4	Jan 18, 2024 22:42	4,671	43,113,006	13,951,000	996,000	2,265,088
5	Jan 18, 2024 22:42	4,673	37,368,707	13,957,000	996,000	2,445,312
6	Jan 18, 2024 22:42	4,675	30,353,565	13,963,000	997,000	2,441,216
7	Jan 18, 2024 22:43	4,675	32,376,781	13,964,000	997,000	2,445,312
8	Jan 18, 2024 22:42	4,678	28,368,063	13,971,000	997,000	2,445,312
9	Jan 18, 2024 22:43	4,679	35,159,492	13,975,000	998,000	2,531,328
10	Jan 18, 2024 22:42	4,683	32,976,423	13,986,000	999,000	2,453,504
11	Jan 18, 2024 22:42	4,684	29,287,996	13,990,000	999,000	2,445,312
12	Jan 18, 2024 22:42	4,687	38,911,689	13,998,000	999,000	2,449,408
13	Jan 18, 2024 22:42	4,690	32,509,950	12,006,000	3,001,000	2,445,312
14	Jan 18, 2024 22:42	4,691	31,642,004	14,011,000	1,000,000	2,445,312
15	Jan 18, 2024 22:42	4,692	34,049,367	14,014,000	1,001,000	2,269,184
16	Jan 18, 2024 22:43	4,695	38,915,282	14,024,000	1,001,000	2,445,312
17	Jan 18, 2024 22:43	4,696	31,210,321	14,025,000	1,001,000	2,441,216
18	Jan 18, 2024 22:43	4,696	36,140,517	14,026,000	1,001,000	2,531,328
19	Jan 18, 2024 22:42	4,696	38,989,226	14,025,000	1,001,000	2,531,328
20	Jan 18, 2024 22:43	4,698	31,147,033	14,031,000	1,002,000	2,531,328
21	Jan 18, 2024 22:42	4,698	26,569,458	13,029,000	2,004,000	2,445,312
22	Jan 18, 2024 22:42	4,700	28,471,554	14,039,000	1,002,000	2,269,184
23	Jan 18, 2024 22:42	4,703	41,452,022	12,040,000	3,010,000	2,269,184
24	Jan 18, 2024 22:42	4,703	28,212,379	12,041,000	3,010,000	2,273,280
25	Jan 18, 2024 22:42	4,707	39,450,018	14,057,000	1,004,000	2,531,328
26	Jan 18, 2024 22:43	4,708	29,460,761	14,060,000	1,004,000	2,441,216
27	Jan 18, 2024 22:42	4,716	34,603,998	13,078,000	2,012,000	2,269,184
28	Jan 18, 2024 22:42	4,905	75,511,115	15,694,910	0	2,191,360
29	Jan 18, 2024 22:43	4,927	70,367,750	15,767,514	0	2,203,648
30	Jan 18, 2024 22:43	4,928	70,516,762	15,770,696	0	2,195,456
31	Jan 18, 2024 22:42	4,929	76,791,717	15,771,549	0	2,203,648
32	Jan 18, 2024 22:43	4,938	76,002,710	15,803,128	0	2,199,552
33	Jan 18, 2024 22:42	4,939	85,310,768	15,803,623	0	2,207,744
34	Jan 18, 2024 22:42	4,950	69,159,277	15,838,775	0	2,207,744
35	Jan 18, 2024 22:42	4,957	87,382,720	15,863,204	0	2,195,456
36	Jan 18, 2024 22:42	4,968	63,002,629	15,897,116	0	2,199,552

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