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 14, 2021 21:02

Yuriy Lyfenko

Score: 6,203

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 14, 2021 21:02	6,101	42,880,589	19,522,000	0	2,326,528
2	May 16, 2021 12:38	6,109	45,382,850	17,492,000	2,057,000	2,326,528
3	May 14, 2021 21:02	6,111	40,718,049	19,556,000	0	2,519,040
4	May 14, 2021 21:02	6,125	46,609,296	18,568,000	1,031,000	2,326,528
5	May 14, 2021 21:02	6,125	45,110,455	19,600,000	0	2,523,136
6	May 14, 2021 21:02	6,126	45,416,580	19,604,000	0	2,527,232
7	May 16, 2021 12:38	6,128	55,807,085	18,579,000	1,032,000	2,330,624
8	May 14, 2021 21:02	6,128	43,200,572	18,576,000	1,032,000	2,514,944
9	May 16, 2021 12:38	6,132	49,024,799	18,591,000	1,032,000	2,514,944
10	May 14, 2021 21:02	6,133	48,066,158	18,592,000	1,032,000	2,326,528
11	May 16, 2021 12:38	6,133	49,443,950	17,561,000	2,066,000	2,514,944
12	May 14, 2021 21:02	6,133	36,466,907	19,625,000	0	2,359,296
13	May 14, 2021 21:02	6,138	46,502,718	18,609,000	1,033,000	2,330,624
14	May 16, 2021 12:38	6,147	49,140,230	18,635,000	1,035,000	2,330,624
15	May 16, 2021 12:38	6,150	55,779,174	18,646,000	1,035,000	2,326,528
16	May 14, 2021 21:02	6,150	35,562,359	18,644,000	1,035,000	2,510,848
17	May 14, 2021 21:02	6,151	46,572,867	17,611,000	2,071,000	2,326,528
18	May 14, 2021 21:02	6,153	54,602,394	18,653,000	1,036,000	2,326,528
19	May 14, 2021 21:02	6,156	45,917,557	18,664,000	1,036,000	2,326,528
20	May 14, 2021 21:02	6,158	50,003,765	17,633,000	2,074,000	2,306,048
21	May 16, 2021 12:38	6,187	89,173,820	19,799,775	0	2,220,032
22	May 14, 2021 21:02	6,188	83,388,565	19,803,022	0	2,220,032
23	May 14, 2021 21:02	6,200	99,098,565	19,839,709	0	2,220,032
24	May 14, 2021 21:02	6,202	93,837,326	19,846,810	0	2,236,416
25	May 14, 2021 21:02	6,203	97,103,742	19,851,046	0	2,211,840
26	May 14, 2021 21:02	6,210	85,536,678	19,871,554	0	2,224,128
27	May 16, 2021 12:38	6,210	45,920,488	17,884,000	1,987,000	2,326,528
28	May 14, 2021 21:02	6,212	46,591,676	17,891,000	1,987,000	2,514,944
29	May 16, 2021 12:38	6,212	45,770,710	18,884,000	993,000	2,330,624
30	May 14, 2021 21:02	6,214	45,499,167	19,886,000	0	2,514,944
31	May 14, 2021 21:02	6,214	46,629,514	16,903,000	2,982,000	2,523,136
32	May 16, 2021 12:38	6,215	49,800,008	16,904,000	2,983,000	2,330,624
33	May 14, 2021 21:02	6,216	39,845,402	17,903,000	1,989,000	2,326,528
34	May 16, 2021 14:39	6,241	79,125,320	19,969,860	0	2,224,128
35	May 14, 2021 21:02	6,246	83,832,683	19,985,949	0	2,236,416
36	May 16, 2021 12:38	6,250	91,501,544	19,999,844	0	2,228,224
37	May 14, 2021 21:02	6,253	98,000,927	20,009,203	0	2,215,936
38	May 16, 2021 12:38	6,264	99,610,097	20,044,465	0	2,228,224
39	May 16, 2021 14:39	6,265	77,147,258	20,047,556	0	2,228,224
40	May 14, 2021 21:02	6,268	94,146,105	20,058,928	0	2,232,320
41	May 14, 2021 21:02	6,270	114,333,264	20,062,692	0	2,224,128
42	May 14, 2021 21:02	6,270	78,008,850	20,063,248	0	2,240,512
43	May 16, 2021 14:39	6,278	84,880,052	20,088,333	0	2,232,320
44	May 14, 2021 21:02	6,283	85,483,461	20,106,614	0	2,236,416
45	May 14, 2021 21:02	6,286	97,152,987	20,114,472	0	2,228,224
46	May 14, 2021 21:02	6,301	133,859,066	20,164,461	0	2,228,224
47	May 14, 2021 21:02	6,314	83,934,848	20,203,246	0	2,228,224
48	May 14, 2021 21:02	6,331	82,089,434	20,257,991	0	2,228,224

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