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Last change
on this file since 829821c was 08ed947, checked in by Michael Brooks <mlbrooks@…>, 4 years ago |
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Roll up of string changes for performance testing/improvement, and a couple API features supporting them.
String API changes:
Defining a tuning knob to control the heap growth policy (relapaces former 10% hardcode, downgraded to a default)
Implementing findFrom (allowing find-non-first); leaving find as find-first.
String implementation perf improvements:
Calling C-malloc directly instead of via CFA-alloc.
Replacings loops that copy with memmove calls.
Replacings loops that search for a value with memchr calls.
String perf testing realized:
Makefile supporting several prog-*.cfa, chosen by OPERATION value (implies prog.cfa changes to support the adjusted protocol)
Adjusting the starter/accumulater declarations in PEQ and PTA to behave consistently in cfa v cpp.
Adding tests: allocation, find, normalize, pass-by-val, pass-by-x.
Adding helper shell scripts for: generating flame graphs, collecting/crunching allocation stats using Mubeen's malloc wrappers
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Property mode
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100755
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File size:
1.4 KB
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| Rev | Line | |
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| [08ed947] | 1 | #! /usr/bin/python3
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| 2 |
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| 3 | import glob
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| 4 | import os
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| 5 | import re
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| 6 |
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| 7 | print("corpuslen", "expansion", "elapsed_whole_test", "elapsed_last_alloc", "seclast_req_mem", sep=",")
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| 8 |
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| 9 | thepath = "preload_dump--qrun1*"
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| 10 |
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| 11 | for mypath in glob.glob(thepath):
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| 12 | pathparsed=re.match(r'preload_dump--qrun1--corpus-1-(\d+)-1.txt--expansion-(0\.\d+).txt', mypath)
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| 13 | corpuslen=pathparsed.group(1)
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| 14 | expansion=pathparsed.group(2)
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| 15 |
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| 16 | with open(mypath) as file:
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| 17 | lines = file.readlines()
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| 18 |
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| 19 | nAllocs = len(lines)
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| 20 |
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| 21 | epoch_timestamp_bp = lines[0].find("epoch_timestamp(ms)")
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| 22 | epoch_timestamp_ep = epoch_timestamp_bp + len("epoch_timestamp(ms)")
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| 23 | current_req_mem_bp = lines[0].find("current_req_mem(B)")
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| 24 | current_req_mem_ep = current_req_mem_bp + len("current_req_mem(B)")
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| 25 |
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| 26 | first_timestamp = lines[ 1][epoch_timestamp_bp:epoch_timestamp_ep].strip()
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| 27 | seclast_req_mem = lines[nAllocs-2][current_req_mem_bp:current_req_mem_ep].strip()
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| 28 | seclast_timestamp = lines[nAllocs-2][epoch_timestamp_bp:epoch_timestamp_ep].strip()
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| 29 | last_timestamp = lines[nAllocs-1][epoch_timestamp_bp:epoch_timestamp_ep].strip()
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| 30 |
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| 31 | elapsed_whole_test = int(last_timestamp) - int(first_timestamp)
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| 32 | elapsed_last_alloc = int(last_timestamp) - int(seclast_timestamp)
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| 33 |
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| 34 | print(corpuslen, expansion, elapsed_whole_test, elapsed_last_alloc, seclast_req_mem, sep=",")
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