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 16:02

Yuriy Lyfenko

Score: 4,441

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 25, 2024 15:59	4,400	539,542,454	13,075,000	1,005,000	2,523,136
2	Jul 25, 2024 16:00	4,402	542,009,604	12,075,000	2,012,000	2,260,992
3	Jul 25, 2024 16:02	4,405	538,616,582	12,082,000	2,013,000	2,265,088
4	Jul 25, 2024 16:00	4,407	544,494,287	13,095,000	1,007,000	2,396,160
5	Jul 25, 2024 16:06	4,417	540,808,030	12,115,000	2,019,000	2,523,136
6	Jul 25, 2024 16:02	4,418	542,424,984	12,117,000	2,019,000	2,523,136
7	Jul 25, 2024 16:02	4,419	542,091,564	12,120,000	2,020,000	2,265,088
8	Jul 25, 2024 15:59	4,419	539,256,767	12,121,000	2,020,000	2,396,160
9	Jul 25, 2024 16:06	4,419	540,608,203	12,122,000	2,020,000	2,265,088
10	Jul 25, 2024 16:00	4,423	539,720,132	13,142,000	1,010,000	2,260,992
11	Jul 25, 2024 16:00	4,428	541,822,521	13,158,000	1,012,000	2,523,136
12	Jul 25, 2024 15:59	4,428	538,330,163	12,147,000	2,024,000	2,523,136
13	Jul 25, 2024 15:59	4,428	540,397,400	13,157,000	1,012,000	2,523,136
14	Jul 25, 2024 15:59	4,428	537,198,886	13,156,000	1,012,000	2,523,136
15	Jul 25, 2024 16:06	4,430	541,673,272	13,164,000	1,012,000	2,265,088
16	Jul 25, 2024 16:00	4,430	541,093,875	12,150,000	2,025,000	2,260,992
17	Jul 25, 2024 16:06	4,433	535,731,880	12,159,000	2,026,000	2,523,136
18	Jul 25, 2024 15:59	4,434	541,078,529	13,176,000	1,013,000	2,265,088
19	Jul 25, 2024 15:59	4,436	540,659,227	13,182,000	1,014,000	2,523,136
20	Jul 25, 2024 16:06	4,437	536,605,541	13,183,000	1,014,000	2,519,040
21	Jul 25, 2024 16:02	4,437	536,911,389	13,185,000	1,014,000	2,527,232
22	Jul 25, 2024 16:02	4,438	538,407,385	12,174,000	2,029,000	2,523,136
23	Jul 25, 2024 16:02	4,438	538,455,538	12,174,000	2,029,000	2,265,088
24	Jul 25, 2024 16:00	4,441	538,646,056	13,197,000	1,015,000	2,265,088
25	Jul 25, 2024 16:02	4,441	545,332,242	12,182,000	2,030,000	2,400,256
26	Jul 25, 2024 16:02	4,442	539,062,341	14,213,000	0	2,265,088
27	Jul 25, 2024 16:02	4,442	540,079,050	13,198,000	1,015,000	2,514,944
28	Jul 25, 2024 15:59	4,442	542,884,371	12,185,000	2,030,000	2,523,136
29	Jul 25, 2024 16:00	4,442	538,045,415	14,213,000	0	2,387,968
30	Jul 25, 2024 16:06	4,443	537,530,067	13,203,000	1,015,000	2,265,088
31	Jul 25, 2024 16:00	4,443	536,215,299	13,201,000	1,015,000	2,396,160
32	Jul 25, 2024 16:06	4,453	535,572,316	14,248,000	0	2,523,136
33	Jul 25, 2024 16:00	4,458	540,141,955	13,247,000	1,019,000	2,527,232
34	Jul 25, 2024 15:59	4,459	536,429,069	12,230,000	2,038,000	2,260,992
35	Jul 25, 2024 16:06	4,464	540,320,552	12,244,000	2,040,000	2,260,992
36	Jul 25, 2024 16:06	4,477	539,846,786	13,303,000	1,023,000	2,265,088
37	Jul 25, 2024 16:06	4,611	574,534,232	14,756,416	0	2,281,472
38	Jul 25, 2024 15:59	4,616	564,823,167	14,770,372	0	2,285,568
39	Jul 25, 2024 15:59	4,619	573,361,165	14,779,744	0	2,285,568
40	Jul 25, 2024 16:00	4,622	585,256,891	14,791,128	0	2,244,608
41	Jul 25, 2024 16:02	4,627	586,583,359	14,805,543	0	2,240,512
42	Jul 25, 2024 16:06	4,635	571,705,204	14,831,464	0	2,240,512
43	Jul 25, 2024 15:59	4,636	580,886,900	14,836,048	0	2,269,184
44	Jul 25, 2024 16:02	4,638	571,047,315	14,842,277	0	2,277,376
45	Jul 25, 2024 16:00	4,639	567,885,092	14,845,020	0	2,244,608
46	Jul 25, 2024 16:00	4,641	580,282,011	14,852,743	0	2,277,376
47	Jul 25, 2024 16:02	4,645	584,719,807	14,862,968	0	2,277,376
48	Jul 25, 2024 16:06	4,667	581,584,638	14,934,453	0	2,277,376

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