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 listMay 26, 2021 00:15

Mikhail Dektyarev

Score: 4,655

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 26, 2021 00:15	4,609	33,933,208	13,697,000	1,053,000	2,281,472
2	May 26, 2021 00:15	4,645	32,265,343	13,874,000	991,000	2,281,472
3	May 26, 2021 00:15	4,646	41,806,390	13,877,000	991,000	2,281,472
4	May 26, 2021 00:15	4,646	30,510,014	12,886,000	1,982,000	2,281,472
5	May 26, 2021 00:15	4,647	35,264,269	14,869,000	0	2,281,472
6	May 26, 2021 00:15	4,648	35,551,041	12,892,000	1,983,000	2,400,256
7	May 26, 2021 00:15	4,649	41,580,762	13,887,000	991,000	2,404,352
8	May 26, 2021 00:15	4,649	29,777,781	12,894,000	1,983,000	2,392,064
9	May 26, 2021 00:15	4,650	43,681,701	12,897,000	1,984,000	2,281,472
10	May 26, 2021 00:15	4,650	31,461,184	12,897,000	1,984,000	2,400,256
11	May 26, 2021 00:15	4,651	31,667,019	13,890,000	992,000	2,396,160
12	May 26, 2021 00:15	4,651	31,302,145	13,892,000	992,000	2,408,448
13	May 26, 2021 00:15	4,652	28,725,513	12,902,000	1,985,000	2,281,472
14	May 26, 2021 00:15	4,653	38,424,577	13,899,000	992,000	2,396,160
15	May 26, 2021 00:15	4,653	30,480,391	13,899,000	992,000	2,404,352
16	May 26, 2021 00:15	4,655	35,522,136	13,902,000	993,000	2,281,472
17	May 26, 2021 00:15	4,655	34,459,656	12,910,000	1,986,000	2,400,256
18	May 26, 2021 00:15	4,655	29,171,918	13,903,000	993,000	2,281,472
19	May 26, 2021 00:15	4,655	32,153,906	12,910,000	1,986,000	2,392,064
20	May 26, 2021 00:15	4,661	33,768,239	12,926,000	1,988,000	2,510,848
21	May 26, 2021 00:15	4,661	34,361,495	13,922,000	994,000	2,281,472
22	May 26, 2021 00:15	4,663	39,354,684	12,934,000	1,989,000	2,281,472
23	May 26, 2021 00:15	4,663	33,216,264	13,926,000	994,000	2,281,472
24	May 26, 2021 00:15	4,669	39,224,317	12,949,000	1,992,000	2,396,160
25	May 26, 2021 00:15	4,670	38,290,630	13,949,000	996,000	2,281,472
26	May 26, 2021 00:15	4,687	36,672,140	12,999,000	1,999,000	2,396,160
27	May 26, 2021 00:15	4,730	42,233,302	13,117,000	2,018,000	2,400,256
28	May 26, 2021 00:15	4,845	44,749,304	15,504,733	0	2,297,856
29	May 26, 2021 00:15	4,847	41,458,078	15,509,762	0	2,285,568
30	May 26, 2021 00:15	4,856	87,147,250	15,539,659	0	2,289,664
31	May 26, 2021 00:15	4,856	62,292,131	15,538,343	0	2,281,472
32	May 26, 2021 00:15	4,859	52,457,911	15,547,779	0	2,293,760
33	May 26, 2021 00:15	4,866	79,950,151	15,572,615	0	2,289,664
34	May 26, 2021 00:15	4,880	82,509,884	15,615,993	0	2,256,896
35	May 26, 2021 00:15	4,881	59,241,707	15,620,646	0	2,277,376
36	May 26, 2021 00:15	4,908	52,592,359	15,705,049	0	2,293,760

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