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 25, 2024 16:20

Yuriy Lyfenko

Score: 4,437

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 25, 2024 16:20	4,393	543,525,454	12,049,000	2,008,000	2,265,088
2	Jul 25, 2024 16:20	4,398	540,548,919	13,069,000	1,005,000	2,527,232
3	Jul 25, 2024 16:20	4,398	545,871,577	12,062,000	2,010,000	2,392,064
4	Jul 25, 2024 16:20	4,399	539,719,130	12,066,000	2,011,000	2,387,968
5	Jul 25, 2024 16:20	4,399	545,463,110	12,067,000	2,011,000	2,392,064
6	Jul 25, 2024 16:20	4,401	545,113,399	13,078,000	1,006,000	2,523,136
7	Jul 25, 2024 16:20	4,402	548,636,755	12,074,000	2,012,000	2,387,968
8	Jul 25, 2024 16:20	4,404	544,705,091	12,080,000	2,013,000	2,260,992
9	Jul 25, 2024 16:20	4,405	538,286,233	12,083,000	2,013,000	2,265,088
10	Jul 25, 2024 16:20	4,406	546,694,418	12,084,000	2,014,000	2,400,256
11	Jul 25, 2024 16:20	4,408	537,052,891	13,097,000	1,007,000	2,260,992
12	Jul 25, 2024 16:20	4,410	543,645,326	13,105,000	1,008,000	2,396,160
13	Jul 25, 2024 16:20	4,411	541,750,851	13,108,000	1,008,000	2,523,136
14	Jul 25, 2024 16:20	4,411	541,263,101	12,100,000	2,016,000	2,523,136
15	Jul 25, 2024 16:20	4,412	538,323,669	12,102,000	2,017,000	2,260,992
16	Jul 25, 2024 16:20	4,417	542,452,098	13,126,000	1,009,000	2,523,136
17	Jul 25, 2024 16:20	4,418	539,758,032	12,118,000	2,019,000	2,523,136
18	Jul 25, 2024 16:20	4,420	539,232,221	13,135,000	1,010,000	2,523,136
19	Jul 25, 2024 16:20	4,423	542,377,742	12,132,000	2,022,000	2,523,136
20	Jul 25, 2024 16:20	4,424	543,513,167	12,134,000	2,022,000	2,523,136
21	Jul 25, 2024 16:20	4,425	544,186,789	13,149,000	1,011,000	2,523,136
22	Jul 25, 2024 16:20	4,425	543,658,149	13,148,000	1,011,000	2,523,136
23	Jul 25, 2024 16:20	4,426	536,459,716	13,152,000	1,011,000	2,265,088
24	Jul 25, 2024 16:20	4,434	544,739,609	14,188,000	0	2,265,088
25	Jul 25, 2024 16:20	4,437	542,183,590	14,199,000	0	2,400,256
26	Jul 25, 2024 16:20	4,440	540,099,154	13,194,000	1,014,000	2,260,992
27	Jul 25, 2024 16:20	4,442	543,333,820	12,183,000	2,030,000	2,265,088
28	Jul 25, 2024 16:20	4,442	542,050,465	13,200,000	1,015,000	2,523,136
29	Jul 25, 2024 16:20	4,443	540,694,038	13,204,000	1,015,000	2,392,064
30	Jul 25, 2024 16:20	4,443	540,710,495	13,203,000	1,015,000	2,523,136
31	Jul 25, 2024 16:20	4,448	537,173,955	12,202,000	2,033,000	2,260,992
32	Jul 25, 2024 16:20	4,457	542,005,701	13,243,000	1,018,000	2,260,992
33	Jul 25, 2024 16:20	4,460	540,951,760	12,233,000	2,038,000	2,265,088
34	Jul 25, 2024 16:20	4,465	538,137,316	13,267,000	1,020,000	2,260,992
35	Jul 25, 2024 16:20	4,466	540,285,440	13,272,000	1,020,000	2,523,136
36	Jul 25, 2024 16:20	4,479	543,171,057	12,287,000	2,047,000	2,265,088
37	Jul 25, 2024 16:20	4,606	582,907,673	14,740,049	0	2,236,416
38	Jul 25, 2024 16:20	4,608	587,008,458	14,746,940	0	2,277,376
39	Jul 25, 2024 16:20	4,614	575,860,043	14,764,924	0	2,285,568
40	Jul 25, 2024 16:20	4,616	584,971,185	14,772,468	0	2,281,472
41	Jul 25, 2024 16:20	4,616	571,964,916	14,771,571	0	2,277,376
42	Jul 25, 2024 16:20	4,617	569,923,474	14,773,198	0	2,281,472
43	Jul 25, 2024 16:20	4,624	578,742,040	14,796,992	0	2,285,568
44	Jul 25, 2024 16:20	4,626	578,422,466	14,802,308	0	2,240,512
45	Jul 25, 2024 16:20	4,629	573,877,407	14,812,126	0	2,244,608
46	Jul 25, 2024 16:20	4,643	579,329,774	14,857,980	0	2,277,376
47	Jul 25, 2024 16:20	4,645	585,119,298	14,865,374	0	2,281,472
48	Jul 25, 2024 16:20	4,652	586,634,688	14,885,125	0	2,289,664

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