Use vlang version 0.1.29 as this is the fastest version for ffead-cpp

docker/techempower-config/ffead-cpp-v-base.dockerfile

@@ -14,7 +14,8 @@ RUN rm -f /usr/local/lib/libffead-* /usr/local/lib/libte_benc* /usr/local/lib/li
 	ldconfig
 
 RUN apt update -yqq && apt install -y git make && rm -rf /var/lib/apt/lists/*
-RUN git clone https://github.com/vlang/v && cd v && make && ./v symlink
+#RUN git clone https://github.com/vlang/v && cd v && make && ./v symlink
+RUN wget -q https://github.com/vlang/v/releases/download/0.1.29/v_linux.zip && unzip -q v_linux.zip && cd v && chmod +x v && ./v symlink && cd .. && rm -f v_linux.zip
 
 WORKDIR ${IROOT}/lang-server-backends/v/vweb
 #COPY vweb.v ${IROOT}/lang-server-backends/v/vweb/

lang-server-backends/v/pico.v/main.v

@@ -64,23 +64,24 @@ fn cpy_str_1(dst byteptr, src string) int {
 }
 
 fn callback(req picohttpparser.Request, mut res picohttpparser.Response) {
-	mut j := 0
 	$if debug {
 		println('${req.method} ${req.path} ${req.num_headers}')
+		mut j := 0
 		for {
 			if j == req.num_headers {
 				break
 			}
-			unsafe {
-				k := tos(req.headers[j].name, req.headers[j].name_len)
-				v := tos(req.headers[j].value, req.headers[j].value_len)
+			k := tos(req.headers[j].name, req.headers[j].name_len)
+			v := tos(req.headers[j].value, req.headers[j].value_len)
+			$if debug {
 				println('${k} ${v}')
 			}
 			j = j+1
 		}
 	}
+
  	freq := C.ffead_request3{
-		server_str: 'picov'.str
+	    server_str: 'picov'.str
 	    server_str_len: u64(5)
 	    method: req.method.str
 	    method_len: u64(req.method.len)
@@ -113,8 +114,8 @@ fn callback(req picohttpparser.Request, mut res picohttpparser.Response) {
 	}
 
 	if scode > 0 {
+		smsg = tos(smsg.str, int(smsg_len))
 		unsafe {
-			smsg = tos(smsg.str, int(smsg_len))
 			res.buf += cpy_str_1(res.buf, "HTTP/1.1 ${scode} ${smsg}\r\n")
 		}
 		res.header_server()
@@ -124,29 +125,22 @@ fn callback(req picohttpparser.Request, mut res picohttpparser.Response) {
 			if j == int(headers_len) {
 				break
 			}
+			k := tos(req.headers[j].name, int(req.headers[j].name_len))
+			v := tos(req.headers[j].value, int(req.headers[j].value_len))
 			unsafe {
-				k := tos(req.headers[j].name, int(req.headers[j].name_len))
-				v := tos(req.headers[j].value, int(req.headers[j].value_len))
 				res.buf += cpy_str_1(res.buf, "${k}: ${v}\r\n")
 			}
 			j = j + 1
 		}
-		unsafe {
-			out_body = tos(out_body.str, int(out_body_len))
-		}
+		out_body = tos(out_body.str, int(out_body_len))
 		res.body(out_body)
 		C.ffead_cpp_resp_cleanup(resp)
 	} else {
-		unsafe {
-			out_mime = tos(out_mime.str, int(out_mime_len))
-			out_url = tos(out_url.str, int(out_url_len))
-		}
+		out_mime = tos(out_mime.str, int(out_mime_len))
+		out_url = tos(out_url.str, int(out_url_len))
 
 		$if debug {
 			println('res.url = $out_url')
-		}
-
-		$if debug {
 			println('res.mime_type = $out_mime')
 		}