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 11, 2021 18:13

Yuriy Lyfenko

Score: 6,153

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 11, 2021 18:13	6,114	43,543,015	19,566,000	0	2,326,528
2	May 11, 2021 18:13	6,116	46,420,773	16,481,000	3,090,000	2,527,232
3	May 11, 2021 18:13	6,118	44,374,267	18,546,000	1,030,000	2,514,944
4	May 11, 2021 20:47	6,118	41,390,163	18,548,000	1,030,000	2,523,136
5	May 11, 2021 18:13	6,119	41,618,148	17,519,000	2,061,000	2,523,136
6	May 11, 2021 18:12	6,120	41,572,478	19,583,000	0	2,330,624
7	May 11, 2021 18:12	6,121	45,183,546	18,557,000	1,030,000	2,519,040
8	May 11, 2021 18:12	6,123	40,200,892	19,595,000	0	2,523,136
9	May 11, 2021 20:47	6,123	38,675,338	18,561,000	1,031,000	2,326,528
10	May 11, 2021 20:47	6,124	37,089,205	19,596,000	0	2,510,848
11	May 11, 2021 18:12	6,128	35,353,681	17,547,000	2,064,000	2,519,040
12	May 11, 2021 18:13	6,133	47,077,652	17,560,000	2,065,000	2,326,528
13	May 11, 2021 20:47	6,134	44,423,517	18,595,000	1,033,000	2,326,528
14	May 11, 2021 18:12	6,139	46,942,371	18,611,000	1,033,000	2,330,624
15	May 11, 2021 18:13	6,139	49,224,983	17,578,000	2,068,000	2,326,528
16	May 11, 2021 20:47	6,140	49,013,180	18,615,000	1,034,000	2,523,136
17	May 11, 2021 18:13	6,141	47,181,375	17,584,000	2,068,000	2,523,136
18	May 11, 2021 18:13	6,142	35,397,768	17,585,000	2,068,000	2,326,528
19	May 11, 2021 18:13	6,147	47,281,041	18,635,000	1,035,000	2,330,624
20	May 11, 2021 18:13	6,147	45,773,940	17,600,000	2,070,000	2,326,528
21	May 11, 2021 18:13	6,148	45,563,138	18,640,000	1,035,000	2,506,752
22	May 11, 2021 20:47	6,148	49,728,307	17,604,000	2,071,000	2,514,944
23	May 11, 2021 18:13	6,148	45,856,384	18,640,000	1,035,000	2,330,624
24	May 11, 2021 18:13	6,150	42,263,098	17,610,000	2,071,000	2,523,136
25	May 11, 2021 20:47	6,153	36,737,929	17,617,000	2,072,000	2,318,336
26	May 11, 2021 18:13	6,156	53,512,365	19,698,000	0	2,330,624
27	May 11, 2021 20:47	6,158	43,348,773	17,631,000	2,074,000	2,330,624
28	May 11, 2021 18:12	6,184	90,656,412	19,789,661	0	2,211,840
29	May 11, 2021 18:13	6,186	78,691,315	19,793,647	0	2,228,224
30	May 11, 2021 20:47	6,200	85,358,598	19,840,870	0	2,228,224
31	May 11, 2021 18:13	6,205	77,468,779	19,856,780	0	2,228,224
32	May 11, 2021 18:12	6,207	45,825,364	16,883,000	2,979,000	2,326,528
33	May 11, 2021 18:13	6,208	47,889,808	19,866,000	0	2,330,624
34	May 11, 2021 18:13	6,208	82,668,036	19,866,981	0	2,228,224
35	May 11, 2021 18:12	6,211	37,446,532	18,882,000	993,000	2,523,136
36	May 11, 2021 20:47	6,212	48,853,803	17,891,000	1,987,000	2,514,944
37	May 11, 2021 18:13	6,213	44,290,781	16,898,000	2,982,000	2,330,624
38	May 11, 2021 18:13	6,213	35,174,262	18,887,000	994,000	2,514,944
39	May 11, 2021 18:13	6,216	42,249,407	17,903,000	1,989,000	2,531,328
40	May 11, 2021 18:12	6,218	38,290,247	17,907,000	1,989,000	2,510,848
41	May 11, 2021 18:12	6,219	51,189,007	16,915,000	2,985,000	2,383,872
42	May 11, 2021 18:12	6,228	85,219,719	19,930,698	0	2,224,128
43	May 11, 2021 18:13	6,231	81,484,461	19,939,024	0	2,224,128
44	May 11, 2021 20:47	6,240	82,594,698	19,968,911	0	2,224,128
45	May 11, 2021 20:47	6,258	83,086,249	20,024,110	0	2,224,128
46	May 11, 2021 18:13	6,259	90,268,681	20,029,178	0	2,220,032
47	May 11, 2021 18:12	6,294	83,556,199	20,140,931	0	2,224,128
48	May 11, 2021 18:13	6,330	84,462,691	20,254,729	0	2,220,032

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