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 15:47

Yuriy Lyfenko

Score: 4,441

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 25, 2024 15:46	4,402	542,158,327	13,079,000	1,006,000	2,260,992
2	Jul 25, 2024 15:47	4,408	544,073,485	12,092,000	2,015,000	2,379,776
3	Jul 25, 2024 15:47	4,408	538,450,506	12,091,000	2,015,000	2,523,136
4	Jul 25, 2024 15:46	4,411	540,704,256	12,099,000	2,016,000	2,523,136
5	Jul 25, 2024 15:47	4,413	542,539,258	12,104,000	2,017,000	2,396,160
6	Jul 25, 2024 15:47	4,419	543,742,607	12,121,000	2,020,000	2,527,232
7	Jul 25, 2024 15:47	4,419	538,213,627	12,120,000	2,020,000	2,260,992
8	Jul 25, 2024 15:47	4,420	542,270,413	12,125,000	2,020,000	2,260,992
9	Jul 25, 2024 15:46	4,420	540,167,131	13,133,000	1,010,000	2,396,160
10	Jul 25, 2024 15:47	4,422	538,229,173	12,128,000	2,021,000	2,260,992
11	Jul 25, 2024 15:46	4,423	542,868,915	12,132,000	2,022,000	2,523,136
12	Jul 25, 2024 15:46	4,423	543,651,380	13,142,000	1,010,000	2,523,136
13	Jul 25, 2024 15:46	4,424	535,303,276	13,147,000	1,011,000	2,265,088
14	Jul 25, 2024 15:46	4,424	538,869,196	12,135,000	2,022,000	2,265,088
15	Jul 25, 2024 15:46	4,427	545,130,369	13,154,000	1,011,000	2,523,136
16	Jul 25, 2024 15:46	4,430	536,544,105	12,151,000	2,025,000	2,523,136
17	Jul 25, 2024 15:47	4,431	535,297,949	12,153,000	2,025,000	2,265,088
18	Jul 25, 2024 15:47	4,431	540,951,167	13,168,000	1,012,000	2,523,136
19	Jul 25, 2024 15:46	4,431	535,520,164	13,168,000	1,012,000	2,260,992
20	Jul 25, 2024 15:46	4,431	539,595,665	14,179,000	0	2,523,136
21	Jul 25, 2024 15:47	4,435	541,473,299	12,165,000	2,027,000	2,260,992
22	Jul 25, 2024 15:47	4,436	540,830,628	13,182,000	1,014,000	2,519,040
23	Jul 25, 2024 15:47	4,439	540,665,089	12,176,000	2,029,000	2,527,232
24	Jul 25, 2024 15:46	4,440	538,987,707	13,194,000	1,014,000	2,523,136
25	Jul 25, 2024 15:47	4,441	537,009,961	13,196,000	1,015,000	2,523,136
26	Jul 25, 2024 15:47	4,444	540,269,712	14,220,000	0	2,523,136
27	Jul 25, 2024 15:47	4,447	538,729,415	13,215,000	1,016,000	2,523,136
28	Jul 25, 2024 15:46	4,448	543,658,812	12,202,000	2,033,000	2,260,992
29	Jul 25, 2024 15:47	4,449	536,455,785	14,238,000	0	2,396,160
30	Jul 25, 2024 15:46	4,451	541,850,549	13,225,000	1,017,000	2,523,136
31	Jul 25, 2024 15:46	4,451	536,214,234	12,209,000	2,034,000	2,260,992
32	Jul 25, 2024 15:46	4,456	540,090,230	13,242,000	1,018,000	2,523,136
33	Jul 25, 2024 15:46	4,458	544,265,049	12,229,000	2,038,000	2,400,256
34	Jul 25, 2024 15:47	4,459	536,357,908	13,251,000	1,019,000	2,265,088
35	Jul 25, 2024 15:47	4,465	537,678,746	13,268,000	1,020,000	2,523,136
36	Jul 25, 2024 15:46	4,469	536,397,292	14,302,000	0	2,523,136
37	Jul 25, 2024 15:47	4,610	568,956,445	14,750,632	0	2,281,472
38	Jul 25, 2024 15:46	4,616	577,254,145	14,769,865	0	2,285,568
39	Jul 25, 2024 15:46	4,618	567,448,774	14,778,295	0	2,244,608
40	Jul 25, 2024 15:47	4,629	573,829,864	14,812,158	0	2,240,512
41	Jul 25, 2024 15:46	4,629	566,117,411	14,813,341	0	2,273,280
42	Jul 25, 2024 15:46	4,629	569,713,610	14,812,862	0	2,244,608
43	Jul 25, 2024 15:47	4,631	571,235,867	14,819,323	0	2,273,280
44	Jul 25, 2024 15:47	4,633	568,613,031	14,826,375	0	2,277,376
45	Jul 25, 2024 15:46	4,635	576,014,235	14,832,442	0	2,240,512
46	Jul 25, 2024 15:47	4,645	593,093,799	14,864,831	0	2,277,376
47	Jul 25, 2024 15:47	4,655	579,191,641	14,895,286	0	2,285,568
48	Jul 25, 2024 15:46	4,698	592,650,004	15,034,299	0	2,240,512

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