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 8, 2021 16:50

Yuriy Lyfenko

Score: 4,453

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 8, 2021 16:52	4,423	543,007,248	12,132,000	2,022,000	2,392,064
2	Jul 8, 2021 16:50	4,424	543,117,950	12,135,000	2,022,000	2,523,136
3	Jul 8, 2021 16:52	4,429	542,388,245	12,148,000	2,024,000	2,523,136
4	Jul 8, 2021 16:52	4,429	536,819,497	13,161,000	1,012,000	2,523,136
5	Jul 8, 2021 16:52	4,429	537,092,259	13,160,000	1,012,000	2,265,088
6	Jul 8, 2021 16:50	4,429	536,442,638	13,160,000	1,012,000	2,265,088
7	Jul 8, 2021 16:51	4,430	540,883,586	12,152,000	2,025,000	2,260,992
8	Jul 8, 2021 16:52	4,431	535,376,438	13,168,000	1,012,000	2,523,136
9	Jul 8, 2021 16:52	4,434	540,137,340	12,163,000	2,027,000	2,265,088
10	Jul 8, 2021 16:52	4,437	536,151,126	13,183,000	1,014,000	2,265,088
11	Jul 8, 2021 16:51	4,438	540,913,569	13,189,000	1,014,000	2,265,088
12	Jul 8, 2021 16:51	4,438	539,023,876	13,189,000	1,014,000	2,523,136
13	Jul 8, 2021 16:52	4,438	537,730,662	13,187,000	1,014,000	2,260,992
14	Jul 8, 2021 16:51	4,441	537,467,367	13,195,000	1,015,000	2,265,088
15	Jul 8, 2021 16:50	4,442	538,264,933	12,183,000	2,030,000	2,523,136
16	Jul 8, 2021 16:52	4,443	537,596,901	14,218,000	0	2,523,136
17	Jul 8, 2021 16:50	4,443	538,343,094	13,203,000	1,015,000	2,523,136
18	Jul 8, 2021 16:51	4,445	541,048,226	14,224,000	0	2,523,136
19	Jul 8, 2021 16:52	4,445	535,303,365	13,209,000	1,016,000	2,260,992
20	Jul 8, 2021 16:52	4,445	535,807,908	12,192,000	2,032,000	2,523,136
21	Jul 8, 2021 16:51	4,445	536,712,192	13,208,000	1,016,000	2,523,136
22	Jul 8, 2021 16:52	4,446	538,494,669	12,194,000	2,032,000	2,265,088
23	Jul 8, 2021 16:50	4,448	544,015,056	13,219,000	1,016,000	2,265,088
24	Jul 8, 2021 16:52	4,451	536,723,381	14,244,000	0	2,392,064
25	Jul 8, 2021 16:52	4,453	536,085,696	14,251,000	0	2,265,088
26	Jul 8, 2021 16:52	4,454	536,799,629	14,254,000	0	2,519,040
27	Jul 8, 2021 16:50	4,454	540,559,148	13,234,000	1,018,000	2,265,088
28	Jul 8, 2021 16:50	4,454	538,507,412	14,254,000	0	2,523,136
29	Jul 8, 2021 16:52	4,455	538,169,154	14,255,000	0	2,523,136
30	Jul 8, 2021 16:52	4,456	541,250,491	14,259,000	0	2,523,136
31	Jul 8, 2021 16:52	4,456	539,167,831	13,241,000	1,018,000	2,265,088
32	Jul 8, 2021 16:50	4,456	539,691,062	14,259,000	0	2,527,232
33	Jul 8, 2021 16:51	4,458	535,452,459	14,264,000	0	2,523,136
34	Jul 8, 2021 16:50	4,471	535,642,290	13,285,000	1,021,000	2,260,992
35	Jul 8, 2021 16:51	4,473	543,828,350	13,290,000	1,022,000	2,260,992
36	Jul 8, 2021 16:51	4,486	536,066,294	13,330,000	1,025,000	2,260,992
37	Jul 8, 2021 16:52	4,589	580,738,544	14,683,426	0	2,240,512
38	Jul 8, 2021 16:52	4,594	567,282,311	14,700,440	0	2,240,512
39	Jul 8, 2021 16:51	4,594	575,834,284	14,701,998	0	2,269,184
40	Jul 8, 2021 16:50	4,597	569,816,199	14,711,683	0	2,277,376
41	Jul 8, 2021 16:52	4,601	572,602,657	14,722,314	0	2,273,280
42	Jul 8, 2021 16:52	4,603	564,784,660	14,728,307	0	2,240,512
43	Jul 8, 2021 16:51	4,604	569,257,072	14,732,244	0	2,281,472
44	Jul 8, 2021 16:50	4,606	574,047,618	14,739,033	0	2,244,608
45	Jul 8, 2021 16:50	4,615	573,007,269	14,766,559	0	2,244,608
46	Jul 8, 2021 16:52	4,616	573,949,891	14,772,723	0	2,285,568
47	Jul 8, 2021 16:51	4,618	574,238,873	14,778,719	0	2,277,376
48	Jul 8, 2021 16:52	4,619	576,711,390	14,782,050	0	2,281,472

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