v,gen,checker: implement `-d time_checking -d time_cgening -d time_v`

pull/7416/head
Delyan Angelov 2020-12-19 12:24:29 +02:00
parent a4aa9c0320
commit a1c81aa49d
No known key found for this signature in database
GPG Key ID: 66886C0F12D595ED
5 changed files with 35 additions and 3 deletions

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@ -119,6 +119,12 @@ The build flags are shared by the build and run commands:
C GEN: 103ms
C tcc: 95ms
Related to -show-timings, is the ability to compile a special instrumented
v compiler with this command:
`v -d time_parsing -d time_checking -d time_cgening -d time_v self`
The instrumented version will print detailed timing stats while processing
each .v file.
-w
Hide all warnings.

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@ -37,6 +37,14 @@ const (
)
fn main() {
timers_should_print := $if time_v ? { true } $else { false }
mut timers := util.new_timers(timers_should_print)
timers.start('v total')
defer {
timers.show('v total')
}
timers.start('v start')
timers.show('v start')
args := os.args[1..]
// args = 123
if args.len == 0 || args[0] in ['-', 'repl'] {

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@ -66,13 +66,16 @@ mut:
vweb_gen_types []table.Type // vweb route checks
prevent_sum_type_unwrapping_once bool // needed for assign new values to sum type, stopping unwrapping then
loop_label string // set when inside a labelled for loop
timers &util.Timers
}
pub fn new_checker(table &table.Table, pref &pref.Preferences) Checker {
timers_should_print := $if time_checking ? { true } $else { false }
return Checker{
table: table
pref: pref
cur_fn: 0
timers: util.new_timers(timers_should_print)
}
}
@ -130,6 +133,7 @@ pub fn (mut c Checker) check_files(ast_files []ast.File) {
mut files_from_main_module := []&ast.File{}
for i in 0 .. ast_files.len {
file := unsafe {&ast_files[i]}
c.timers.start('checker_check $file.path')
c.check(file)
if file.mod.name == 'main' {
files_from_main_module << file
@ -138,6 +142,7 @@ pub fn (mut c Checker) check_files(ast_files []ast.File) {
has_main_fn = true
}
}
c.timers.show('checker_check $file.path')
}
if has_main_mod_file && !has_main_fn && files_from_main_module.len > 0 {
if c.pref.is_script && !c.pref.is_test {
@ -154,6 +159,7 @@ pub fn (mut c Checker) check_files(ast_files []ast.File) {
has_main_fn = true
}
}
c.timers.start('checker_post_process_generic_fns')
// post process generic functions. must be done after all files have been
// checked, to eunsure all generic calls are processed as this information
// is needed when the generic type is auto inferred from the call argument
@ -165,7 +171,12 @@ pub fn (mut c Checker) check_files(ast_files []ast.File) {
c.post_process_generic_fns()
}
}
c.timers.show('checker_post_process_generic_fns')
//
c.timers.start('checker_verify_all_vweb_routes')
c.verify_all_vweb_routes()
c.timers.show('checker_verify_all_vweb_routes')
//
// Make sure fn main is defined in non lib builds
if c.pref.build_mode == .build_module || c.pref.is_test {
return

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@ -129,6 +129,7 @@ mut:
aggregate_type_idx int
returned_var_name string // to detect that a var doesn't need to be freed since it's being returned
branch_parent_pos int // used in BranchStmt (continue/break) for autofree stop position
timers &util.Timers
}
const (
@ -151,6 +152,7 @@ pub fn cgen(files []ast.File, table &table.Table, pref &pref.Preferences) string
'.')
}
}
timers_should_print := $if time_cgening ? { true } $else { false }
mut g := Gen{
out: strings.new_builder(1000)
cheaders: strings.new_builder(8192)
@ -178,16 +180,19 @@ pub fn cgen(files []ast.File, table &table.Table, pref &pref.Preferences) string
autofree: true
indent: -1
module_built: module_built
timers: util.new_timers(timers_should_print)
}
for mod in g.table.modules {
g.inits[mod] = strings.new_builder(100)
g.cleanups[mod] = strings.new_builder(100)
}
g.timers.start('cgen common')
g.init()
//
mut tests_inited := false
mut autofree_used := false
for file in files {
g.timers.start('cgen_file $file.path')
g.file = file
if g.pref.is_vlines {
g.vlines_path = util.vlines_escape_path(file.path, g.pref.ccompiler)
@ -213,6 +218,7 @@ pub fn cgen(files []ast.File, table &table.Table, pref &pref.Preferences) string
tests_inited = true
}
g.stmts(file.stmts)
g.timers.show('cgen_file $file.path')
}
if autofree_used {
g.autofree = true // so that void _vcleanup is generated
@ -308,6 +314,7 @@ pub fn cgen(files []ast.File, table &table.Table, pref &pref.Preferences) string
b.writeln('\n// V out')
b.write(g.out.str())
b.writeln('\n// THE END.')
g.timers.show('cgen common')
return b.str()
}

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@ -31,13 +31,13 @@ pub fn (mut t Timers) measure(name string) i64 {
eprintln('> Available timers:')
eprintln('> $timer_keys')
}
ms := t.swatches[name].elapsed().milliseconds()
ms := t.swatches[name].elapsed().microseconds()
return ms
}
pub fn (mut t Timers) message(name string) string {
ms := t.measure(name)
value := bold('$ms')
ms := f64(t.measure(name)) / 1000.0
value := bold('${ms:.3f}')
formatted_message := '$name: $value ms'
return formatted_message
}