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 listJul 19, 2024 09:49

Matt Stuchlik

Score: 5,370

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 19, 2024 09:49	5,322	39,382,772	15,027,000	2,003,000	2,269,184
2	Jul 19, 2024 09:49	5,324	34,543,361	15,032,000	2,004,000	2,269,184
3	Jul 19, 2024 09:49	5,325	40,923,263	15,036,000	2,004,000	2,289,664
4	Jul 19, 2024 09:51	5,325	42,050,483	15,035,000	2,004,000	2,289,664
5	Jul 19, 2024 09:49	5,328	37,736,061	15,044,000	2,005,000	2,269,184
6	Jul 19, 2024 09:51	5,334	33,785,877	15,061,000	2,008,000	2,289,664
7	Jul 19, 2024 09:49	5,340	44,078,771	16,082,000	1,005,000	2,269,184
8	Jul 19, 2024 09:49	5,342	36,124,382	15,084,000	2,011,000	2,289,664
9	Jul 19, 2024 09:49	5,343	47,579,189	16,094,000	1,005,000	2,375,680
10	Jul 19, 2024 09:49	5,344	41,063,236	16,095,000	1,005,000	2,289,664
11	Jul 19, 2024 09:51	5,344	37,363,967	15,090,000	2,012,000	2,289,664
12	Jul 19, 2024 09:51	5,348	43,804,311	15,102,000	2,013,000	2,289,664
13	Jul 19, 2024 09:49	5,349	40,657,789	16,110,000	1,006,000	2,269,184
14	Jul 19, 2024 09:51	5,349	46,213,035	15,103,000	2,013,000	2,289,664
15	Jul 19, 2024 09:49	5,356	42,480,897	16,130,000	1,008,000	2,273,280
16	Jul 19, 2024 09:51	5,359	39,588,711	15,133,000	2,017,000	2,277,376
17	Jul 19, 2024 09:51	5,365	41,776,782	16,159,000	1,009,000	2,523,136
18	Jul 19, 2024 09:49	5,365	42,507,538	15,149,000	2,019,000	2,289,664
19	Jul 19, 2024 09:49	5,370	34,311,651	15,162,000	2,021,000	2,277,376
20	Jul 19, 2024 09:49	5,372	36,303,142	15,167,000	2,022,000	2,523,136
21	Jul 19, 2024 09:49	5,377	40,376,610	15,182,000	2,024,000	2,289,664
22	Jul 19, 2024 09:49	5,377	34,021,136	16,195,000	1,012,000	2,273,280
23	Jul 19, 2024 09:51	5,379	40,868,445	15,189,000	2,025,000	2,289,664
24	Jul 19, 2024 09:49	5,384	51,911,741	16,216,000	1,013,000	2,269,184
25	Jul 19, 2024 09:51	5,392	39,834,999	15,224,000	2,029,000	2,269,184
26	Jul 19, 2024 09:49	5,399	43,806,098	16,260,000	1,016,000	2,523,136
27	Jul 19, 2024 09:49	5,409	39,246,651	15,272,000	2,036,000	2,523,136
28	Jul 19, 2024 09:49	5,581	96,343,143	17,859,717	0	2,297,856
29	Jul 19, 2024 09:51	5,588	83,549,535	17,882,702	0	2,293,760
30	Jul 19, 2024 09:49	5,592	95,857,966	17,895,830	0	2,297,856
31	Jul 19, 2024 09:49	5,594	87,551,477	17,901,164	0	2,252,800
32	Jul 19, 2024 09:51	5,596	95,588,567	17,905,925	0	2,310,144
33	Jul 19, 2024 09:49	5,599	96,305,361	17,915,900	0	2,301,952
34	Jul 19, 2024 09:51	5,602	78,866,571	17,925,376	0	2,293,760
35	Jul 19, 2024 09:49	5,639	85,471,747	18,043,257	0	2,301,952
36	Jul 19, 2024 09:49	5,664	80,776,415	18,123,938	0	2,301,952

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