crypto/tls: move a defer out of a loop
Rhys Hiltner noted in #14939 that this defer was syntactically inside a loop, but was only ever executed once. Now that defer in a loop is significantly slower, pull this one out. name old time/op new time/op delta Throughput/MaxPacket/1MB/TLSv12-8 3.94ms ± 8% 3.93ms ±13% ~ (p=0.967 n=15+15) Throughput/MaxPacket/1MB/TLSv13-8 4.33ms ± 3% 4.51ms ± 7% +4.00% (p=0.000 n=14+14) Throughput/MaxPacket/2MB/TLSv12-8 6.80ms ± 6% 7.01ms ± 4% +3.15% (p=0.000 n=14+14) Throughput/MaxPacket/2MB/TLSv13-8 6.96ms ± 5% 6.80ms ± 5% -2.43% (p=0.006 n=15+14) Throughput/MaxPacket/4MB/TLSv12-8 12.0ms ± 3% 11.7ms ± 2% -2.88% (p=0.000 n=15+13) Throughput/MaxPacket/4MB/TLSv13-8 12.1ms ± 3% 11.7ms ± 2% -3.54% (p=0.000 n=13+13) Throughput/MaxPacket/8MB/TLSv12-8 22.2ms ± 3% 21.6ms ± 3% -2.97% (p=0.000 n=15+15) Throughput/MaxPacket/8MB/TLSv13-8 22.5ms ± 5% 22.0ms ± 3% -2.34% (p=0.004 n=15+15) Throughput/MaxPacket/16MB/TLSv12-8 42.4ms ± 3% 41.3ms ± 3% -2.49% (p=0.001 n=15+15) Throughput/MaxPacket/16MB/TLSv13-8 43.4ms ± 5% 42.3ms ± 3% -2.33% (p=0.006 n=15+14) Throughput/MaxPacket/32MB/TLSv12-8 83.1ms ± 4% 80.6ms ± 3% -2.98% (p=0.000 n=15+15) Throughput/MaxPacket/32MB/TLSv13-8 85.2ms ± 8% 82.6ms ± 4% -3.02% (p=0.005 n=15+15) Throughput/MaxPacket/64MB/TLSv12-8 167ms ± 7% 158ms ± 2% -5.21% (p=0.000 n=15+15) Throughput/MaxPacket/64MB/TLSv13-8 170ms ± 4% 162ms ± 3% -4.83% (p=0.000 n=15+15) Throughput/DynamicPacket/1MB/TLSv12-8 4.13ms ± 7% 4.00ms ± 8% ~ (p=0.061 n=15+15) Throughput/DynamicPacket/1MB/TLSv13-8 4.72ms ± 6% 4.64ms ± 7% ~ (p=0.377 n=14+15) Throughput/DynamicPacket/2MB/TLSv12-8 7.29ms ± 7% 7.09ms ± 7% ~ (p=0.070 n=15+14) Throughput/DynamicPacket/2MB/TLSv13-8 7.18ms ± 5% 6.59ms ± 4% -8.34% (p=0.000 n=15+15) Throughput/DynamicPacket/4MB/TLSv12-8 12.3ms ± 3% 11.9ms ± 4% -3.31% (p=0.000 n=15+14) Throughput/DynamicPacket/4MB/TLSv13-8 12.2ms ± 4% 12.0ms ± 4% -1.91% (p=0.019 n=15+15) Throughput/DynamicPacket/8MB/TLSv12-8 22.4ms ± 3% 21.9ms ± 3% -2.18% (p=0.000 n=15+15) Throughput/DynamicPacket/8MB/TLSv13-8 22.7ms ± 3% 22.2ms ± 3% -2.35% (p=0.000 n=15+15) Throughput/DynamicPacket/16MB/TLSv12-8 42.3ms ± 3% 42.1ms ± 3% ~ (p=0.505 n=14+15) Throughput/DynamicPacket/16MB/TLSv13-8 42.7ms ± 3% 43.3ms ± 7% ~ (p=0.123 n=15+14) Throughput/DynamicPacket/32MB/TLSv12-8 82.8ms ± 3% 81.9ms ± 3% ~ (p=0.112 n=14+15) Throughput/DynamicPacket/32MB/TLSv13-8 84.6ms ± 6% 83.9ms ± 4% ~ (p=0.624 n=15+15) Throughput/DynamicPacket/64MB/TLSv12-8 166ms ± 4% 163ms ± 6% ~ (p=0.081 n=15+15) Throughput/DynamicPacket/64MB/TLSv13-8 165ms ± 3% 168ms ± 3% +1.56% (p=0.029 n=15+15) Change-Id: I22409b05afe761b8ed1912b15c67fc03f88d3d1f Reviewed-on: https://go-review.googlesource.com/c/go/+/203481 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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