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 listJun 8, 2024 20:48

AndreyTS

Score: 5,304

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 8, 2024 20:48	5,259	43,133,074	14,849,000	1,979,000	2,269,184
2	Jun 8, 2024 20:49	5,265	45,598,765	14,867,000	1,982,000	2,289,664
3	Jun 9, 2024 14:03	5,267	47,187,931	14,872,000	1,983,000	2,289,664
4	Jun 8, 2024 20:48	5,269	44,183,932	16,861,000	0	2,289,664
5	Jun 8, 2024 20:48	5,272	37,027,949	14,886,000	1,984,000	2,273,280
6	Jun 9, 2024 14:03	5,273	41,839,286	14,890,000	1,985,000	2,289,664
7	Jun 8, 2024 20:49	5,274	32,523,896	14,891,000	1,985,000	2,289,664
8	Jun 8, 2024 20:48	5,275	43,507,874	14,894,000	1,985,000	2,379,776
9	Jun 8, 2024 20:49	5,275	33,362,227	14,894,000	1,985,000	2,289,664
10	Jun 8, 2024 20:49	5,277	48,908,288	16,885,000	0	2,289,664
11	Jun 9, 2024 14:03	5,281	39,581,478	14,910,000	1,988,000	2,265,088
12	Jun 8, 2024 20:49	5,282	44,206,742	15,847,000	1,056,000	2,289,664
13	Jun 9, 2024 14:03	5,283	43,378,546	14,916,000	1,988,000	2,265,088
14	Jun 9, 2024 14:03	5,283	43,951,739	15,851,000	1,056,000	2,269,184
15	Jun 8, 2024 20:48	5,287	40,552,304	15,924,000	995,000	2,289,664
16	Jun 9, 2024 14:03	5,287	31,524,365	15,862,000	1,057,000	2,289,664
17	Jun 8, 2024 20:48	5,293	39,288,708	14,946,000	1,992,000	2,289,664
18	Jun 8, 2024 20:49	5,294	40,774,284	14,948,000	1,993,000	2,289,664
19	Jun 8, 2024 20:49	5,304	38,779,619	14,976,000	1,996,000	2,371,584
20	Jun 8, 2024 20:49	5,308	42,028,551	14,989,000	1,998,000	2,289,664
21	Jun 9, 2024 14:03	5,310	35,121,991	14,994,000	1,999,000	2,265,088
22	Jun 9, 2024 14:03	5,322	36,617,473	15,026,000	2,003,000	2,269,184
23	Jun 8, 2024 20:48	5,323	46,078,239	15,030,000	2,004,000	2,289,664
24	Jun 8, 2024 20:49	5,328	49,957,581	16,048,000	1,003,000	2,289,664
25	Jun 9, 2024 14:03	5,330	41,783,154	15,049,000	2,006,000	2,289,664
26	Jun 8, 2024 20:48	5,330	41,796,051	15,051,000	2,006,000	2,355,200
27	Jun 8, 2024 20:48	5,340	38,813,276	15,079,000	2,010,000	2,351,104
28	Jun 8, 2024 20:48	5,458	89,016,631	17,464,914	0	2,306,048
29	Jun 8, 2024 20:49	5,464	63,390,114	17,485,460	0	2,293,760
30	Jun 9, 2024 14:03	5,495	82,207,547	17,584,817	0	2,301,952
31	Jun 8, 2024 20:48	5,498	81,224,099	17,594,010	0	2,179,072
32	Jun 8, 2024 20:49	5,501	69,553,672	17,603,765	0	2,174,976
33	Jun 8, 2024 20:48	5,505	91,538,785	17,615,012	0	2,297,856
34	Jun 8, 2024 20:49	5,506	89,871,425	17,619,166	0	2,183,168
35	Jun 9, 2024 14:03	5,514	73,062,533	17,646,020	0	2,293,760
36	Jun 9, 2024 14:03	5,551	72,147,307	17,763,713	0	2,297,856

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