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Slack histogram to use ps granularity via int(Arch::getDelayNS() * 1000)

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This commit is contained in:
Eddie Hung 2018-08-04 18:55:03 -07:00
parent 76a7d67f74
commit 8974ef3327
1 changed files with 5 additions and 3 deletions
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8
common/timing.cc
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@ -27,7 +27,7 @@
NEXTPNR_NAMESPACE_BEGIN
typedef std::vector<const PortRef *> PortRefVector;
typedef std::map<delay_t, unsigned> DelayFrequency;
typedef std::map<int, unsigned> DelayFrequency;
struct Timing
{
@ -81,8 +81,10 @@ struct Timing
if (crit_path)
*crit_path = current_path;
}
if (slack_histogram)
(*slack_histogram)[slack]++;
if (slack_histogram) {
int slack_ps = ctx->getDelayNS(slack) * 1000;
(*slack_histogram)[slack_ps]++;
}
} else {
// Default to the path ending here, if no further paths found
value = slack / path_length;