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author | txh18 <cloudygooseg@gmail.com> | 2015-12-03 12:48:49 +0800 |
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committer | txh18 <cloudygooseg@gmail.com> | 2015-12-03 12:48:49 +0800 |
commit | bba82cac04474b8177ab45d41543bc993801a4e0 (patch) | |
tree | 4ec102da65f39d778b1ec9631a123540453b2158 /nerv/tnn/sutil.lua | |
parent | 63cd5b0ab0d2fd1693fdaec0e57b5e02ad718dfb (diff) |
moved tnn to main nerv dir and added it to Makefile
Diffstat (limited to 'nerv/tnn/sutil.lua')
-rw-r--r-- | nerv/tnn/sutil.lua | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/nerv/tnn/sutil.lua b/nerv/tnn/sutil.lua new file mode 100644 index 0000000..f5bc408 --- /dev/null +++ b/nerv/tnn/sutil.lua @@ -0,0 +1,52 @@ +local Util = nerv.class("nerv.SUtil") --Scheduler Utility + +function Util.simple_split(inputstr, sep) + if sep == nil then + sep = "%s" + end + local t={} ; i=1 + for str in string.gmatch(inputstr, "([^"..sep.."]+)") do + t[i] = str + i = i + 1 + end + return t +end + +function Util.parse_schedule(str) + --parse a string like "1.2*10:1.5" to a list of numbers + local sch = {} + local s = Util.simple_split(str, ':') + for i = 1, #s do + local p = Util.simple_split(s[i], "%*") + if #p ~= 2 and #p ~= 1 then + nerv.error("nerv.SUtil:parse_schedule error, unit(%s) not proper, has %d components.", s[i], #p) + end + if p[2] == nil then + p[2] = "1" + end + p[1] = tonumber(p[1]) + p[2] = tonumber(p[2]) + for j = 1, p[2] do + table.insert(sch, p[1]) + end + end + + --for i = 1, #sch do + -- print(sch[i]) + --end + return sch +end + +function Util.sche_get(s, it) + --get s[it] + if s == nil then + nerv.info("Util.sche_get: warning, scheule is nil, returning zero...") + return 0 + end + if #s >= it then + return s[it] + else + nerv.info("Util.sche_get: warning, it(%d) > #schedule(%d), returning the last one of schedule(%f)...", it, #s, s[#s]) + return s[#s] + end +end |