quasilyte/go-perfguard

Issues

• Fix redundant sprintf false positive

  #202 opened 2 years ago by quasilyte
  0

• add rule suggest for !t.Before -> t.After where t time.Time

  #201 opened 3 years ago by peakle
  1

• exit with non zero code if found issues (warnings) in `lint` mode ?

  #198 opened 3 years ago by peakle
  1

• Maybe suggest switch string(bytes) instead of a series of bytes.Equal, etc

  #200 opened 3 years ago by quasilyte
  0

• Add strings.Split rules

  #197 opened 3 years ago by quasilyte
  0

• Suggest Atoi instead of ParseInt when result is converted to int

  #190 opened 3 years ago by quasilyte
  0

• Add sliceLit rule

  #186 opened 3 years ago by quasilyte
  1

• Recognize dull strconv atoi

  #182 opened 3 years ago by quasilyte
  0

• Suggest chans of empty structs instead of bools

  #180 opened 3 years ago by quasilyte
  0

• Implement local devirtualization

  #179 opened 3 years ago by quasilyte
  0

• Suggest Time.Sub instead of time.Now+time.Since

  #178 opened 3 years ago by quasilyte
  0

• Add "explain" mode that reports why this rule is successfull

  #177 opened 3 years ago by quasilyte
  0

• Suggest strings.Contains instead of strings.ContainsAny for search of 1 char

  #170 opened 3 years ago by quasilyte
  2

• Suggest AppendByteOrder when (if) its available

  #176 opened 3 years ago by quasilyte
  0

• Fmt optimizations

  #175 opened 3 years ago by quasilyte
  0

• Suggest strings.Clone

  #169 opened 3 years ago by quasilyte
  1

• Detect append($_, string($x)...) where $x is []byte

  #160 opened 3 years ago by quasilyte
  0

• reflect: replace x.Type().Kind() to x.Kind()

  #163 opened 3 years ago by quasilyte
  0

• Suggest io.CopyBuffer instead of io.Copy when possible

  #120 opened 3 years ago by quasilyte
  0

• Optimize `math/big` expressions

  #121 opened 3 years ago by quasilyte
  0

• Combine init into literal

  #129 opened 3 years ago by quasilyte
  0

• Opt rule, o2 level: math rewrite rules

  #136 opened 3 years ago by quasilyte
  0

• Reorder type switch cases based on their probability

  #137 opened 3 years ago by quasilyte
  0

• Reorder unexported struct fields to minimize the size

  #138 opened 3 years ago by quasilyte
  0

• Find unbuffered read/write to files

  #157 opened 3 years ago by quasilyte
  0

• Report big return values by value and suggest out params with pointers?

  #140 opened 3 years ago by quasilyte
  0

• Suggest passing maps (and chans?) by value

  #141 opened 3 years ago by quasilyte
  0

• Suggest RLock+RUnlock for small readonly sections

  #142 opened 3 years ago by quasilyte
  0

• Suggest sync.Mutex instead of sync.RWMutex

  #143 opened 3 years ago by quasilyte
  0

• Suggest critical section shrinking

  #144 opened 3 years ago by quasilyte
  0

• Suggest append of byte instead of a single-char string

  #150 opened 3 years ago by quasilyte
  0

• bigArgCopy: do not complain if function is declared in a different package

  #156 opened 3 years ago by quasilyte
  0

• condReorder: cross-&& moves of calls

  #159 opened 3 years ago by quasilyte
  0

• Use const string LUT instead of byte arrays

  #167 opened 3 years ago by quasilyte
  0

• Suggest `const` instead of `var` for readonly values that can be `const`

  #171 opened 3 years ago by quasilyte
  0

• Avoid local var copies of large objects if it's not passed around

  #172 opened 3 years ago by quasilyte
  0

• Track readonly unexported global variables values

  #168 opened 3 years ago by quasilyte
  0

• Explore rewrites that may remove bound checks

  #165 opened 3 years ago by quasilyte
  0

• Figure out how to detect bound checks in the code

  #166 opened 3 years ago by quasilyte
  0

• Investigate more slice copy patterns

  #164 opened 3 years ago by quasilyte
  0

• arrayCopy: recognize `copy(ret[:], b[:Size256])`

  #162 opened 3 years ago by quasilyte
  0

• Collect cases where stringtoslicebytetmp would be useful

  #161 opened 3 years ago by quasilyte
  0

• Compare and analyze more string<->bytes cases

  #158 opened 3 years ago by quasilyte
  0

• bigArgCopy: maybe detect receiver (by value) copies too?

  #152 opened 3 years ago by quasilyte
  0

• convReorder: map lookup is not always faster than a function call

  #145 opened 3 years ago by quasilyte
  0

• Add extra suggestions mode

  #151 opened 3 years ago by quasilyte
  0

• Collect a flat heatmap in addition to the cumulative heatmap

  #148 opened 3 years ago by quasilyte
  0

• imports fixer: track local vars to avoid adding incorrect imports

  #146 opened 3 years ago by quasilyte
  0

• Check out how slower map[uint16]T is slower than the alternative

  #139 opened 3 years ago by quasilyte
  0

• Handle cpu matches inside anon functions in global scope

  #131 opened 3 years ago by quasilyte
  0