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Date: Sun, 13 Jun 2021 16:28:44 +0530
From: Bhaskar Chowdhury <unixbhaskar@...il.com>
To: Amit Choudhary <amitchoudhary0523@...il.com>
Cc: LinuxKernel <linux-kernel@...r.kernel.org>
Subject: Re: [Code] Fastest String Search Algorithm.
On 16:16 Sun 13 Jun 2021, Amit Choudhary wrote:
ROFL!!! Enjoy your victory, kiddo.
>It looks like you are already blocked by many people and maintainers.
>
>Looking at this https://lkml.org/lkml/2021/3/29/1977 , it is clear
>that there are CoC complaints against you.
>
>Amit
>
>
>On Sun, Jun 13, 2021 at 4:04 PM Bhaskar Chowdhury <unixbhaskar@...il.com> wrote:
>>
>> On 15:47 Sun 13 Jun 2021, Amit Choudhary wrote:
>>
>> Woohooo , kiddo.... you told me where exactly you came from.
>>
>> You are now ignored....blocked ...feel really sorry for you.
>>
>>
>>
>> > Bhaskar,
>> > Fuck you.
>> > You are not the owner of linux kernel.
>> > You are a very big idiot.
>> > You really don't know who you are talking to.
>> > You are just assuming that I am a stupid guy without knowing anything
>> > about me.
>> > My linux kernel patches are in linux kernel since 2005-2006.
>> > What are your educational and professional qualifications?
>> > I don't think you are from IIT like me, probably you are from a third
>> > grade donation based college.
>> > I have invented a new search engine architecture and implemented it and
>> > it is hosted on sourceforge.
>> > Have you ever invented anything?
>> > World is full of idiots like you from India who think that they are
>> > supreme and everyone else is a fool.
>> > Amit
>> > On Sun, Jun 13, 2021, 3:35 PM Bhaskar Chowdhury
>> > <[1]unixbhaskar@...il.com> wrote:
>> >
>> > On 14:00 Sun 13 Jun 2021, Amit Choudhary wrote:
>> > Ahhhhhhhh...
>> > Oh crap! Get off the lawn , kiddo. Do NOT USE THIS PLACE for your
>> > obnoxious
>> > desire.
>> > We don't have time and energy to evaluate some airy-fairy stuff .
>> > How do you know we will ever bother to think about "include your
>> > code"?? Let
>> > alone other factor...huh...you are living in fool's paradise
>> > ...meh... look
>> > like your head is filled with lots of preconceived dogma....where
>> > have you got
>> > those?? Heck..
>> > Your intention is not wise...this mailing list solely exist for
>> > people
>> > interested in Linux and only in Linux Kernel. Period.
>> > IOW , PLEASE DO NOT BOTHER US.
>> > ~Bhaskar
>> > >Hi All,
>> > >
>> > >I have invented a new string search algorithm. It has performed
>> > better
>> > >than strstr(), Boyer-Moore, and KPM algorithms.
>> > >
>> > >But I am not sending my code so that my algorithm gets included in
>> > linux kernel.
>> > >
>> > >I am sending this code because linux kernel mailing list is in
>> > public
>> > >domain and getting indexed by search engines. So, people can see
>> > this
>> > >algo if they search for fastest string search algorithm on web.
>> > >
>> > >Code:
>> > >
>> > >===================================================================
>> > ================
>> > >
>> > >// Choudhary string search algorithm
>> > >static char * choudhary_string_search_algorithm(char *text, char
>> > *pattern)
>> > >{
>> > >
>> > >#define false 0
>> > >#define true 1
>> > >#define ALPHABET_SIZE 256
>> > >
>> > >Â Â int i = 0;
>> > >Â Â int end_index = 0;
>> > >Â Â int not_found = false;
>> > >
>> > >Â Â char pattern_char[ALPHABET_SIZE] = {0};
>> > >
>> > >Â Â int text_len = strlen(text);
>> > >Â Â int pattern_len = strlen(pattern);
>> > >
>> > >Â Â int pi_44 = pattern_len - 1;
>> > >Â Â int pi_34 = (3 * pattern_len) / 4;
>> > >Â Â int pi_24 = pattern_len / 2;
>> > >Â Â int pi_14 = pattern_len / 4;
>> > >
>> > >Â Â int last_failed_index = -1;
>> > >
>> > >Â Â // preprocessing
>> > >Â Â for (i = 0; i < pattern_len; i++) {
>> > >Â Â Â Â pattern_char[(int)(pattern[i])] = 1;
>> > >Â Â }
>> > >
>> > >Â Â // now search
>> > >Â Â for (i = 0; i < text_len; i++) {
>> > >
>> > >Â Â Â Â if ((text_len - i) < pattern_len) {
>> > >Â Â Â Â Â Â return NULL;
>> > >Â Â Â Â Â Â //return -1;
>> > >Â Â Â Â }
>> > >
>> > >Â Â Â Â if (pattern[pi_44] != text[i + pi_44]) {
>> > >
>> > >Â Â Â Â Â Â last_failed_index = pi_44;
>> > >
>> > >Â Â Â Â Â Â // this character doesn't appear in pattern, so
>> > skip
>> > >Â Â Â Â Â Â if (pattern_char[(int)(text[i + pi_44])] == 0) {
>> > >Â Â Â Â Â Â Â Â i = i + pi_44;
>> > >Â Â Â Â Â Â }
>> > >
>> > >Â Â Â Â Â Â continue;
>> > >
>> > >Â Â Â Â } else if (pattern[pi_34] != text[i + pi_34]) {
>> > >
>> > >Â Â Â Â Â Â last_failed_index = pi_34;
>> > >
>> > >Â Â Â Â Â Â // this character doesn't appear in pattern, so
>> > skip
>> > >Â Â Â Â Â Â if (pattern_char[(int)(text[i + pi_34])] == 0) {
>> > >Â Â Â Â Â Â Â Â i = i + pi_34;
>> > >Â Â Â Â Â Â }
>> > >
>> > >Â Â Â Â Â Â continue;
>> > >
>> > >Â Â Â Â } else if (pattern[pi_24] != text[i + pi_24]) {
>> > >
>> > >Â Â Â Â Â Â last_failed_index = pi_24;
>> > >
>> > >Â Â Â Â Â Â // this character doesn't appear in pattern, so
>> > skip
>> > >Â Â Â Â Â Â if (pattern_char[(int)(text[i + pi_24])] == 0) {
>> > >Â Â Â Â Â Â Â Â i = i + pi_24;
>> > >Â Â Â Â Â Â }
>> > >
>> > >Â Â Â Â Â Â continue;
>> > >
>> > >Â Â Â Â } else if (pattern[pi_14] != text[i + pi_14]) {
>> > >
>> > >Â Â Â Â Â Â last_failed_index = pi_14;
>> > >
>> > >Â Â Â Â Â Â // this character doesn't appear in pattern, so
>> > skip
>> > >Â Â Â Â Â Â if (pattern_char[(int)(text[i + pi_14])] == 0) {
>> > >Â Â Â Â Â Â Â Â i = i + pi_14;
>> > >Â Â Â Â Â Â }
>> > >
>> > >Â Â Â Â Â Â continue;
>> > >
>> > >Â Â Â Â } // end of if-else.. block
>> > >
>> > >Â Â Â Â // compare with character at last failed index.
>> > >Â Â Â Â if (last_failed_index >= 0) {
>> > >
>> > >Â Â Â Â Â Â if (pattern[last_failed_index] != text[i +
>> > last_failed_index]) {
>> > >Â Â Â Â Â Â Â Â continue;
>> > >Â Â Â Â Â Â }
>> > >
>> > >Â Â Â Â }
>> > >
>> > >Â Â Â Â if (pattern[0] == text[i]) {
>> > >
>> > >Â Â Â Â Â Â //full_pattern_search = full_pattern_search + 1;
>> > >Â Â Â Â Â Â end_index = i + pi_44;
>> > >Â Â Â Â Â Â not_found = false;
>> > >Â Â Â Â Â Â int index = 0;
>> > >
>> > >Â Â Â Â Â Â for (index = i; index <= end_index; index++) {
>> > >Â Â Â Â Â Â Â Â if (text[index] != pattern[index - i]) {
>> > >Â Â Â Â Â Â Â Â Â Â last_failed_index = index - i;
>> > >Â Â Â Â Â Â Â Â Â Â not_found = true;
>> > >Â Â Â Â Â Â Â Â Â Â break;
>> > >Â Â Â Â Â Â Â Â }
>> > >Â Â Â Â Â Â } // end of inner for loop
>> > >
>> > >Â Â Â Â Â Â if (not_found == false) { // match is found
>> > >Â Â Â Â Â Â Â Â return (text + i);
>> > >Â Â Â Â Â Â Â Â //return i;
>> > >Â Â Â Â Â Â } else if (pattern_char[(int)(text[index])] == 0)
>> > {
>> > >Â Â Â Â Â Â Â Â i = index;
>> > >Â Â Â Â Â Â }
>> > >Â Â Â Â } // end of if pattern[0]
>> > >
>> > >Â Â } // end of outer for loop
>> > >
>> > >Â Â return NULL;
>> > >Â Â //return -1;
>> > >
>> > >} // end of choudhary_string_search_algorithm
>> > >
>> > >===================================================================
>> > ================
>> > >
>> > >Regards,
>> > >Amit
>> >
>> >References
>> >
>> > 1. mailto:unixbhaskar@...il.com
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