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 19, 2024 20:34

Franek Korta

Score: 4,601

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 19, 2024 20:34	4,573	41,332,941	14,635,000	0	2,441,216
2	Jan 19, 2024 20:34	4,577	30,971,920	14,646,000	0	2,445,312
3	Jan 19, 2024 20:35	4,578	39,022,058	14,649,000	0	2,269,184
4	Jan 19, 2024 20:34	4,585	30,755,974	13,624,000	1,048,000	2,449,408
5	Jan 19, 2024 20:35	4,587	29,701,835	14,678,000	0	2,527,232
6	Jan 19, 2024 20:35	4,588	32,719,194	12,586,000	2,097,000	2,445,312
7	Jan 19, 2024 20:34	4,590	30,371,912	14,688,000	0	2,445,312
8	Jan 19, 2024 20:35	4,592	30,638,478	14,693,000	0	2,445,312
9	Jan 19, 2024 20:34	4,594	38,616,369	14,700,000	0	2,441,216
10	Jan 19, 2024 20:34	4,594	48,460,096	13,650,000	1,050,000	2,527,232
11	Jan 19, 2024 20:34	4,594	41,831,013	14,702,000	0	2,441,216
12	Jan 19, 2024 20:34	4,595	34,192,239	11,554,000	3,151,000	2,441,216
13	Jan 19, 2024 20:34	4,595	29,331,167	12,605,000	2,100,000	2,449,408
14	Jan 19, 2024 20:34	4,597	39,243,651	14,710,000	0	2,449,408
15	Jan 19, 2024 20:35	4,597	30,416,309	14,710,000	0	2,441,216
16	Jan 19, 2024 20:34	4,598	41,570,581	13,663,000	1,051,000	2,269,184
17	Jan 19, 2024 20:35	4,600	37,040,774	14,721,000	0	2,527,232
18	Jan 19, 2024 20:34	4,600	32,681,160	13,669,000	1,051,000	2,531,328
19	Jan 19, 2024 20:34	4,601	32,642,876	14,723,000	0	2,531,328
20	Jan 19, 2024 20:35	4,602	38,349,877	13,674,000	1,051,000	2,531,328
21	Jan 19, 2024 20:35	4,605	35,309,158	14,735,000	0	2,437,120
22	Jan 19, 2024 20:34	4,639	37,941,037	12,865,000	1,979,000	2,531,328
23	Jan 19, 2024 20:34	4,648	43,754,983	13,882,000	991,000	2,531,328
24	Jan 19, 2024 20:34	4,649	33,766,381	12,894,000	1,983,000	2,445,312
25	Jan 19, 2024 20:35	4,650	33,865,411	13,888,000	992,000	2,445,312
26	Jan 19, 2024 20:34	4,650	37,406,521	13,888,000	992,000	2,269,184
27	Jan 19, 2024 20:34	4,652	35,383,968	14,885,000	0	2,449,408
28	Jan 19, 2024 20:35	4,823	69,144,461	15,434,178	0	2,203,648
29	Jan 19, 2024 20:34	4,829	65,680,974	15,453,183	0	2,211,840
30	Jan 19, 2024 20:34	4,830	81,812,652	15,455,825	0	2,207,744
31	Jan 19, 2024 20:34	4,851	63,691,878	15,522,315	0	2,187,264
32	Jan 19, 2024 20:35	4,852	92,542,163	15,526,502	0	2,203,648
33	Jan 19, 2024 20:35	4,857	62,968,349	15,543,033	0	2,195,456
34	Jan 19, 2024 20:34	4,864	74,718,428	15,564,531	0	2,211,840
35	Jan 19, 2024 20:34	4,869	77,608,873	15,581,723	0	2,203,648
36	Jan 19, 2024 20:34	4,870	63,470,014	15,584,398	0	2,199,552

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