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 19, 2021 10:27

Andrey Tsvetkov

Score: 5,629

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 19, 2021 10:28	5,585	41,177,749	16,880,000	992,000	2,297,856
2	Jul 19, 2021 10:27	5,587	46,068,639	15,891,000	1,986,000	2,297,856
3	Jul 19, 2021 10:27	5,587	37,272,999	16,884,000	993,000	2,310,144
4	Jul 19, 2021 10:27	5,587	49,479,880	16,884,000	993,000	2,342,912
5	Jul 19, 2021 10:27	5,588	47,793,257	17,880,000	0	2,318,336
6	Jul 19, 2021 10:27	5,589	33,862,749	15,897,000	1,987,000	2,314,240
7	Jul 19, 2021 10:27	5,589	40,323,526	15,899,000	1,987,000	2,342,912
8	Jul 19, 2021 10:28	5,591	44,695,187	16,897,000	993,000	2,342,912
9	Jul 19, 2021 10:27	5,592	44,855,803	16,899,000	994,000	2,342,912
10	Jul 19, 2021 10:27	5,593	48,668,423	15,909,000	1,988,000	2,314,240
11	Jul 19, 2021 10:28	5,593	43,942,720	16,902,000	994,000	2,342,912
12	Jul 19, 2021 10:27	5,598	41,239,686	15,925,000	1,990,000	2,310,144
13	Jul 19, 2021 10:28	5,598	34,505,513	16,917,000	995,000	2,342,912
14	Jul 19, 2021 10:27	5,600	46,520,830	16,925,000	995,000	2,342,912
15	Jul 19, 2021 10:27	5,605	44,039,565	15,943,000	1,992,000	2,424,832
16	Jul 19, 2021 10:27	5,605	42,551,852	16,940,000	996,000	2,342,912
17	Jul 19, 2021 10:27	5,606	43,245,742	16,942,000	996,000	2,441,216
18	Jul 19, 2021 10:27	5,608	47,538,203	15,951,000	1,993,000	2,306,048
19	Jul 19, 2021 10:27	5,609	49,683,523	16,951,000	997,000	2,314,240
20	Jul 19, 2021 10:27	5,610	45,712,831	16,956,000	997,000	2,342,912
21	Jul 19, 2021 10:27	5,611	44,336,518	15,960,000	1,995,000	2,342,912
22	Jul 19, 2021 10:28	5,611	35,254,887	15,961,000	1,995,000	2,342,912
23	Jul 19, 2021 10:28	5,612	43,083,589	15,964,000	1,995,000	2,310,144
24	Jul 19, 2021 10:27	5,618	46,221,143	15,980,000	1,997,000	2,314,240
25	Jul 19, 2021 10:27	5,621	31,819,288	15,989,000	1,998,000	2,310,144
26	Jul 19, 2021 10:27	5,624	42,281,580	16,999,000	999,000	2,342,912
27	Jul 19, 2021 10:27	5,624	42,485,876	15,997,000	1,999,000	2,342,912
28	Jul 19, 2021 10:27	5,626	36,504,146	16,004,000	2,000,000	2,338,816
29	Jul 19, 2021 10:27	5,627	40,012,170	16,005,000	2,000,000	2,310,144
30	Jul 19, 2021 10:28	5,628	37,467,910	16,008,000	2,001,000	2,342,912
31	Jul 19, 2021 10:28	5,629	44,927,044	16,012,000	2,001,000	2,342,912
32	Jul 19, 2021 10:27	5,633	32,527,024	17,024,000	1,001,000	2,301,952
33	Jul 19, 2021 10:27	5,634	47,884,848	16,025,000	2,003,000	2,318,336
34	Jul 19, 2021 10:27	5,634	35,379,254	17,029,000	1,001,000	2,342,912
35	Jul 19, 2021 10:27	5,635	44,165,361	17,030,000	1,001,000	2,306,048
36	Jul 19, 2021 10:27	5,635	44,503,785	16,030,000	2,003,000	2,342,912
37	Jul 19, 2021 10:27	5,636	41,795,102	17,033,000	1,001,000	2,342,912
38	Jul 19, 2021 10:27	5,636	38,847,163	17,034,000	1,002,000	2,314,240
39	Jul 19, 2021 10:27	5,637	49,865,206	17,036,000	1,002,000	2,318,336
40	Jul 19, 2021 10:27	5,639	47,706,644	16,041,000	2,005,000	2,306,048
41	Jul 19, 2021 10:28	5,640	80,916,473	18,049,351	0	2,277,376
42	Jul 19, 2021 10:27	5,640	44,533,589	17,045,000	1,002,000	2,310,144
43	Jul 19, 2021 10:27	5,640	47,934,751	17,045,000	1,002,000	2,342,912
44	Jul 19, 2021 10:27	5,641	44,670,385	16,045,000	2,005,000	2,310,144
45	Jul 19, 2021 10:27	5,646	86,860,785	18,065,738	0	2,281,472
46	Jul 19, 2021 10:27	5,652	80,240,264	18,086,342	0	2,285,568
47	Jul 19, 2021 10:27	5,661	45,250,655	17,110,000	1,006,000	2,310,144
48	Jul 19, 2021 10:28	5,664	39,865,032	17,119,000	1,007,000	2,342,912
49	Jul 19, 2021 10:27	5,672	93,873,334	18,149,480	0	2,285,568
50	Jul 19, 2021 10:27	5,678	77,564,423	18,168,931	0	2,265,088
51	Jul 19, 2021 10:27	5,691	83,057,812	18,210,489	0	2,277,376
52	Jul 19, 2021 10:27	5,702	93,493,201	18,247,633	0	2,281,472
53	Jul 19, 2021 10:27	5,719	52,622,988	18,300,226	0	2,269,184
54	Jul 19, 2021 10:27	5,726	78,026,907	18,322,642	0	2,277,376
55	Jul 19, 2021 10:28	5,737	76,493,087	18,359,769	0	2,273,280
56	Jul 19, 2021 10:27	5,769	86,851,033	18,461,622	0	2,277,376
57	Jul 19, 2021 10:28	5,793	78,911,817	18,538,046	0	2,289,664
58	Jul 19, 2021 10:27	5,811	76,759,845	18,596,197	0	2,281,472
59	Jul 19, 2021 10:27	5,836	82,954,247	18,675,257	0	2,285,568
60	Jul 19, 2021 10:27	5,887	63,330,326	18,838,400	0	2,289,664

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